Items where Author is "Gerdes, Rüdiger"

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Number of items: 312.

Article

Muilwijk, M. , Ilicak, M. , Cornish, S. B. , Danilov, S.

, Gelderloos, R. , Gerdes, R. , Haid, V. , Haine, T. W. N. , Johnson, H. L. , Kostov, Y. , Kovacs, T.

, Lique, C. , Marson, J. M. , Myers, P. G. , Scott, J. , Smedsrud, L. H. , Talandier, C. and Wang, Q.

(2019)
Arctic Ocean Response to Greenland Sea Wind Anomalies in a Suite of Model Simulations ,

Journal of Geophysical Research: Oceans, 124 (8), pp. 6286-6322 .

doi:https://doi.org/10.1029/2019JC015101 , hdl:10013/epic.d7c88460-fe37-4bc3-8fae-4b92ce0c2017

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Article

Sumata, H. , Kauker, F. , Karcher, M.

and Gerdes, R. (2019)
Covariance of optimal parameters of an Arctic sea ice-ocean model ,

Monthly Weather Review .

doi:https://doi.org/10.1175/MWR-D-18-0375.1 , hdl:10013/epic.9ca378b1-a76d-40d2-9acd-96226199da98

Article

Reeve, K.

, Boebel, O.

, Strass, V.

, Kanzow, T.

and Gerdes, R. (2019)
Horizontal circulation and volume transports in the Weddell Gyre derived from Argo float data ,

Progress In Oceanography, 175 , pp. 263-283 .

doi:https://doi.org/10.1016/j.pocean.2019.04.006 , hdl:10013/epic.840af728-65f1-48ee-ad56-3279aacdb43c

Article

Zamani, B. , Krumpen, T. , Smedsrud, L. H. and Gerdes, R. (2019)
Fram Strait sea ice export affected by thinning: comparing high-resolution simulations and observations ,

Climate Dynamics, pp. 1-14 .

doi:https://doi.org/10.1007/s00382-019-04699-z , hdl:10013/epic.37885fae-a7e1-4151-afc3-e7448daab760

Article

Sumata, H. , Kauker, F. , Karcher, M.

and Gerdes, R. (2019)
Simultaneous Parameter Optimization of an Arctic Sea Ice–Ocean Model by a Genetic Algorithm ,

Monthly Weather Review .

doi:https://doi.org/10.1175/MWR-D-18-0360.1 , hdl:10013/epic.0ca56b92-99be-426c-80a7-c29923f9b724

Article

Dorn, W.

, Rinke, A.

, Köberle, C. , Dethloff, K. and Gerdes, R. (2019)
Evaluation of the Sea-Ice Simulation in the Upgraded Version of the Coupled Regional Atmosphere-Ocean-Sea Ice Model HIRHAM–NAOSIM 2.0 ,

Atmosphere, 10 (8), p. 431 .

doi:https://doi.org/10.3390/atmos10080431 , hdl:10013/epic.0beac178-f2e6-48dd-9a68-349e6b39b69f

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Article

Schulz, H. , Zanatta, M. , Bozem, H. , Leaitch, W. R. , Herber, A. , Burkhart, J. , Willis, M. D. , Kunkel, D. , Hoor, P. M. , Abbatt, J. P. and Gerdes, R. (2019)
High Arctic aircraft measurements characterising black carbon vertical variability in spring and summer ,

Atmos. Chem. Phys.,, 19 , pp. 2361-2384 .

doi:https://doi.org/10.5194/acp-19-2361-2019 , hdl:10013/epic.caba0a25-e4bf-49e0-9eee-fea1912b1ea0

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Article

Sumata, H.

, Kauker, F. , Karcher, M.

, Rabe, B.

, Timmermans, M. L. , Behrendt, A.

, Gerdes, R. , Schauer, U. , Shimada, K. , Cho, K. H. and Kikuchi, T. (2018)
Decorrelation scales for Arctic Ocean hydrogpraphy - Part I: Amerasian Basin ,

Ocean Science, 14 , pp. 161-185 .

doi:https://doi.org/10.5194/os-14-161-2018 , hdl:10013/epic.90544b65-f2ba-4c57-8c3f-9c7658850da6

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Article

Selyuzhenok, V. , Mahoney, A. , Krumpen, T.

, Castellani, G.

and Gerdes, R. (2017)
Mechanisms of fast-ice development in the south-eastern Laptev Sea: a case study for winter of 2007/08 and 2009/10 ,

Polar Research, 36 (1) .

doi:https://doi.org/10.1080/17518369.2017.1411140 , hdl:10013/epic.a5852c66-a50f-4eaf-8258-b1290a59f522

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Article

Castro-Morales, K. , Ricker, R.

and Gerdes, R. (2017)
Regional distribution and variability of model-simulated Arctic snow on sea ice ,

Polar Science, In Pre , pp. 1-17 .

doi:https://doi.org/10.1016/j.polar.2017.05.003 , hdl:10013/epic.51411

Article

Petrick, S. , Riemann-Campe, K.

, Hoog, S. , Growitsch, C. , Schwind, H. , Gerdes, R. and Rehdanz, K. , Kiel Institute for the World Economy (2017)
Climate Change, future Arctic Sea ice and the competitiveness of European Arctic offshore oil and gas production on world markets ,

Ambio Special Report .

doi:https://doi.org/10.1007/s13280-017-0957-z , hdl:10013/epic.51880

Article

Gascard, J. C. , Riemann-Campe, K.

, Gerdes, R. , Schyberg, H. , Randriamampianina, R. , Karcher, M.

, Zhang, J. and Rafizadeh, M. (2017)
Future sea ice conditions and weather forecasts in the Arctic: Implications for Arctic shipping ,

AMBIO .

doi:https://doi.org/10.1007/s13280-017-0951-5 , hdl:10013/epic.51881

Article

Kaleschke, L. , Tian-Kunze, X. , Maaß, N. , Beitsch, A. , Wernecke, A. , Miernecki, M. , Müller, G. , Fock, B. D. , Gierisch, A. M. U. , Heinke Schlünzen, K. , Pohlmann, T. , Dobrynin, M. , Hendricks, S.

, Asseng, J. , Gerdes, R. , Jochmann, P. , Reimer, N. , Holfort, J. , Melsheimer, C. , Heygster, G. , Spreen, G. , Gerland, S. , King, J. , Skou, N. , Søbjærg, S. S. , Haas, C. , Richter, F. and Casal, T. (2016)
SMOS sea ice product: Operational application and validation in the Barents Sea marginal ice zone ,

Remote Sensing of Environment, 180 , pp. 264-273 .

doi:https://doi.org/10.1016/j.rse.2016.03.009 , hdl:10013/epic.48210

Article

Krumpen, T.

, Gerdes, R. , Haas, C. , Hendricks, S.

, Herber, A. , Selyuzhenok, L. , Smedsrud, L. H. and Spreen, G. (2016)
Recent summer sea ice thickness surveys in Fram Strait and associated ice volume fluxes ,

The Cryosphere, 10 , pp. 523-534 .

doi:https://doi.org/10.5194/tc-10-523-2016 , hdl:10013/epic.47350

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Article

Hunkeler, P. , Hoppmann, M.

, Hendricks, S.

, Kalscheuer, T. and Gerdes, R. (2016)
A glimpse beneath Antarctic sea ice: platelet-layer volume from multi-frequency electromagnetic induction sounding ,

Geophysical Research Letters, 43 .

doi:https://doi.org/10.1002/2015GL065074 , hdl:10013/epic.46609

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Article

Aksenov, Y. , Karcher, M.

, Proshutinsky, A. , Gerdes, R. , DeCuevas, B. A. , Golubeva, E. , Kauker, F. , Nguyen, A. , Platov, G. , Wadley, M. , Watanabe, E. , Coward, A. C. and Nurser, G. (2016)
Arctic pathways of Pacific Water: Arctic Ocean Model Intercomparison experiments ,

Journal of Geophysical Research-Oceans, 121 (1), pp. 27-59 .

doi:https://doi.org/10.1002/2015JC011299 , hdl:10013/epic.49027

Article

Hunkeler, P. , Hendricks, S.

, Hoppmann, M.

, Farquharson, C. , Kalscheuer, T. , Grab, M. , Kaufmann, M. S. , Rabenstein, L. and Gerdes, R. (2016)
Improved 1D inversions for sea ice thickness and conductivity from electromagnetic induction data: Inclusion of nonlinearities caused by passive bucking ,

GEOPHYSICS, 81 (1), WA45-WA58 .

doi:https://doi.org/10.1190/GEO2015-0130.1 , hdl:10013/epic.46334

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Article

Ilıcak, M. , Drange, H. , Wang, Q.

, Gerdes, R. , Aksenov, Y. , Bailey, D. , Bentsen, M. , Biastoch, A. , Bozec, A. , Böning, C. , Cassou, C. , Chassignet, E. , Coward, A. C. , Curry, B. , Danabasoglu, G. , Danilov, S.

, Fernandez, E. , Fogli, P. G. , Fujii, Y. , Griffies, S. M. , Iovino, D. , Jahn, A. , Jung, T.

, Large, W. G. , Lee, C. , Lique, C. , Lu, J. , Masina, S. , George Nurser, A. , Roth, C. , Salas y Mélia, D. , Samuels, B. L. , Spence, P. , Tsujino, H. , Valcke, S. , Voldoire, A. , Wang, X. and Yeager, S. G. (2016)
An assessment of the Arctic Ocean in a suite of interannual CORE-II simulations. Part III: Hydrography and fluxes ,

Ocean Modelling, 100 , pp. 141-161 .

doi:https://doi.org/10.1016/j.ocemod.2016.02.004 , hdl:10013/epic.47730

Article

Katlein, C.

, Arndt, S.

, Nicolaus, M.

, Perovich, D. K. , Jakuba, M. , Suman, S. , Elliott, S. , Whitcomb, L. L. , McFarland, C. , Gerdes, R. , Boetius, A.

and German, C. R. (2015)
Influence of ice thickness and surface properties on light transmission through Arctic sea ice ,

Journal of Geophysical Research: Oceans .

doi:https://doi.org/10.1002/2015JC010914 , hdl:10013/epic.45993

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Article

Herber, A. , Kalmbach, D. , Gerdes, R. and Watson, J. B. (2015)
Geschleppter aktiver Flugkörper zur Ermittlung von Meßdaten ,

Deutsches Patent- und Markenamt, pp. 1-24 .

hdl:10013/epic.46079

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Article

Ricker, R.

, Hendricks, S.

, Perovich, D. K. , Helm, V.

and Gerdes, R. (2015)
Impact of snow accumulation on CryoSat-2 range retrievals over Arctic sea ice: An observational approach with buoy data ,

Geophysical Research Letters .

doi:https://doi.org/10.1002/2015GL064081 , hdl:10013/epic.45726

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Article

Hoppmann, M.

, Nicolaus, M.

, Hunkeler, P. , Heil, P. , Behrens, L. K. , König-Langlo, G. and Gerdes, R. (2015)
Seasonal evolution of an ice-shelf influenced fast-ice regime, derived from an autonomous thermistor chain ,

Journal of Geophysical Research: Oceans, 120 , pp. 1703-1724 .

doi:https://doi.org/10.1002/2014JC010327 , hdl:10013/epic.46331

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Article

Thoma, M.

, Gerdes, R. , Greatbatch, R. J. and Ding, H. (2015)
Partially coupled spin-up of the MPI-ESM: implementation and first results ,

Geoscientific Model Development (GMD), 8 (1), pp. 51-68 .

doi:https://doi.org/10.5194/gmd-8-51-2015 , hdl:10013/epic.44849

Article

Haine, T. W. , Curry, B. , Gerdes, R. , Hansen, E. , Karcher, M.

, Lee, C. , Rudels, B. , Spreen, G. , de Steur, L. , Stewart, K. D. and Woodgate, R. (2015)
Arctic freshwater export: Status, mechanisms, and prospects ,

Global and Planetary Change, 125 , pp. 13-35 .

doi:https://doi.org/10.1016/j.gloplacha.2014.11.013 , hdl:10013/epic.49086

Article

Thoma, M.

, Greatbatch, R. J. , Kadow, C. and Gerdes, R. (2015)
Decadal hindcasts initialized using observed surface wind stress: Evaluation and prediction out to 2024 ,

Geophysical Research Letters, 42 (15), pp. 6454-6461 .

doi:https://doi.org/10.1002/2015GL064833 , hdl:10013/epic.46017

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Article

Sumata, H.

, Gerdes, R. , Kauker, F. and Karcher, M.

(2015)
Empirical error functions for monthly mean Arctic sea-ice drift ,

Journal of Geophysical Research: Oceans, 120 (11), pp. 7450-7475 .

doi:https://doi.org/10.1002/2015JC011151 , hdl:10013/epic.49088

Article

Hoppmann, M.

, Nicolaus, M.

, Paul, S.

, Hunkeler, P. A. , Heinemann, G. , Willmes, S. , Timmermann, R. , Boebel, O.

, Schmidt, T. , Kühnel, M. , König-Langlo, G. and Gerdes, R. (2015)
Ice platelets below Weddell Sea landfast sea ice ,

Annals of Glaciology, 56 (69), pp. 175-190 .

doi:https://doi.org/10.3189/2015AoG69A678 , hdl:10013/epic.44916

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Article

Ricker, R.

, Hendricks, S.

, Perovich, D. K. , Helm, V. and Gerdes, R. (2015)
Impact of snow accumulation on CryoSat-2 range retrievals over Arctic sea ice: An observational approach with buoy data ,

Geophysical Research Letters, 42 (11), pp. 4447-4455 .

doi:https://doi.org/10.1002/2015GL064081 , hdl:10013/epic.46821

Article

Itkin, P. , Losch, M.

and Gerdes, R. (2015)
Landfast ice affects the stability of the Arctic halocline: Evidence from a numerical model ,

Journal of Geophysical Research: Oceans, 120 (4), pp. 2622-2635 .

doi:https://doi.org/10.1002/2014JC010353 , hdl:10013/epic.45588

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Article

Selyuzhenok, V. , Krumpen, T.

, Mahoney, A. , Janout, M.

and Gerdes, R. (2015)
Seasonal and interannual variability of fast ice extent in the southeastern Laptev Sea between 1999 and 2013 ,

Journal of Geophysical Research: Oceans, n/a-n/a .

doi:https://doi.org/10.1002/2015JC011135 , hdl:10013/epic.46470

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Article

Kauker, F. , Kaminski, T. , Ricker, R.

, Toudal-Pedersen, L. , Dybkjaer, G. , Melsheimer, C. , Eastwood, S. , Sumata, H.

, Karcher, M.

and Gerdes, R. (2015)
Seasonal sea ice predictions for the Arctic based on assimilation of remotely sensed observations ,

The Cryosphere Discussions, 9 (5), pp. 5521-5554 .

doi:https://doi.org/10.5194/tcd-9-5521-2015 , hdl:10013/epic.49087

Article

Hunkeler, P. A. , Hendricks, S.

, Hoppmann, M.

, Paul, S. and Gerdes, R. (2015)
Towards an estimation of sub-sea-ice platelet-layer volume with multi-frequency electromagnetic induction sounding ,

Annals of Glaciology, 56 (69), pp. 137-146 .

doi:https://doi.org/10.3189/2015AoG69A705 , hdl:10013/epic.44728

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Article

Sumata, H.

, Kwok, R. , Gerdes, R. , Kauker, F. and Karcher, M.

(2015)
Uncertainty of Arctic summer ice drift assessed by high-resolution SAR data ,

Journal of Geophysical Research: Oceans, 120 (8), pp. 5285-5301 .

doi:https://doi.org/10.1002/2015JC010810 , hdl:10013/epic.49089

Article

Castellani, G.

, Lüpkes, C.

, Hendricks, S.

and Gerdes, R. (2014)
Variability of Arctic sea-ice topography and its impact on the atmospheric surface drag ,

Journal of Geophysical Research: Oceans, 119 (10), pp. 6743-6762 .

doi:https://doi.org/10.1002/2013JC009712 , hdl:10013/epic.44420

Article

Sumata, H.

, Lavergne, T. , Girard-Ardhuin, F. , Kimura, N. , Tschudi, M. A. , Kauker, F. , Karcher, M.

and Gerdes, R. (2014)
An intercomparison of Arctic ice drift products to deduce uncertainty estimates ,

Journal of Geophysical Research: Oceans, 119 (8), pp. 4887-4921 .

doi:https://doi.org/10.1002/2013JC009724 , hdl:10013/epic.45049

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Article

Cherkasheva, A. , Bracher, A.

, Melsheimer, C. , Köberle, C. , Gerdes, R. , Nöthig, E. M.

, Bauerfeind, E. and Boetius, A.

(2014)
Influence of the physical environment on phytoplankton blooms: a case study in the Fram Strait ,

Journal of Marine Systems, 132 , pp. 196-207 .

doi:https://doi.org/10.1016/j.jmarsys.2013.11.008 , hdl:10013/epic.42744

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Article

Castro-Morales, K. , Kauker, F. , Losch, M.

, Hendricks, S.

, Riemann-Campe, K.

and Gerdes, R. (2014)
Sensitivity of simulated Arctic sea ice to realistic ice thickness distributions and snow parameterizations ,

Journal of Geophysical Research: Oceans, 119 (1), pp. 559-571 .

doi:https://doi.org/10.1002/2013JC009342 , hdl:10013/epic.42977

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Article

Itkin, P. , Karcher, M.

and Gerdes, R. (2014)
Is weaker Arctic sea ice changing the Atlantic water circulation? ,

Journal of Geophysical Research: Oceans, 119 (9), pp. 5992-6009 .

doi:https://doi.org/10.1002/2013JC009633 , hdl:10013/epic.49090

Article

Sumata, H.

, Kauker, F. , Gerdes, R. , Koeberle, C. and Karcher, M.

(2013)
A comparison between gradient descent and stochastic approaches for parameter optimization of a sea ice model ,

Ocean Science, 9 (4), pp. 609-630 .

doi:https://doi.org/10.5194/os-9-609-2013 , hdl:10013/epic.41891

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Article

Krumpen, T.

, Janout, M.

, Hodges, K. I. , Gerdes, R. , Girard-Ardhuin, F. , Hölemann, J.

and Willmes, S. (2013)
Variability and trends in Laptev Sea ice outflow between 1992--2011 ,

The Cryosphere, 7 , pp. 1-15 .

doi:https://doi.org/10.5194/tc-7-1-2013 , hdl:10013/epic.41130

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Article

Blüthgen, J. , Gerdes, R. and Werner, M.

(2012)
Atmospheric response to the extreme Arctic sea ice conditions in 2007 ,

Geophysical Research Letters, 39 (2) .

doi:https://doi.org/10.1029/2011GL050486 , hdl:10013/epic.38716

Article

Zhang, X. , He, J. , Zhang, J. , Polyakov, I. , Gerdes, R. and Wu, P. (2012)
Enhanced Poleward Moisture Transport and Amplified Northern High-Latitude Wetting Trend ,

Nature Climate Change .

doi:https://doi.org/10.1038/NCLIMATE1631 , hdl:10013/epic.40269

Article

Karcher, M.

, Smith, J. N. , Kauker, F. , Gerdes, R. and Smethie Jr, W. (2012)
Recent changes in Arctic Ocean circulation revealed by 129-Iodine observations and modelling ,

Journal of Geophysical Research - Oceans. .

doi:https://doi.org/10.1029/2011JC007513 , hdl:10013/epic.39852

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Article

Karcher, M.

, Beszczynska-Möller, A. , Kauker, F. , Gerdes, R. , Heyen, S. , Rudels, B. and Schauer, U. (2011)
Arctic Ocean warming and its consequences for the Denmark Strait overflow ,

J. Geophys. Res., 116, C02037 .

doi:https://doi.org/10.1029/2010JC006265 , hdl:10013/epic.36311

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Article

Krumpen, T.

, Haas, C.

, Hendricks, S.

, Hoelemann, A. J. , Kalmbach, D. and Gerdes, R. (2011)
HELIOS, a nadir-looking sea ice monitoring camera ,

Cold Region Science and Technology, 65 (3), pp. 308-313 .

doi:https://doi.org/10.1016/j.coldregions.2010.11.007 , hdl:10013/epic.36326

Article

Krumpen, T.

, Hölemann, J.

, Willmes, S. , Morales Maqueda, M. A. , Busche, T. , Dmitrenko, I. A. , Gerdes, R. , Haas, C.

, Hendricks, S.

, Kirilov, S. , Rabenstein, L. and Schröder, D. (2011)
Sea ice production and water mass modification in the eastern Laptev Sea ,

Journal of Geophysical Research, 116, C05014 .

doi:https://doi.org/10.1029/2010JC006545 , hdl:10013/epic.37038

Article

Rozman, P. , Hölemann, J. A.

, Krumpen, T.

, Gerdes, R. , Köberle, C. , Lavergne, T. , Adams, S. and Girard-Ardhuin, F. (2011)
Validating satellite derived and modelled sea-ice drift in the Laptev Sea with in situ measurements from the winter of 2007/2008 ,

Polar Research, 30 .

doi:https://doi.org/10.3402/polar.v30i0.7218 , hdl:10013/epic.38784

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Article

Rabe, B.

, Karcher, M.

, Schauer, U. , Toole, J. M. , Krischfield, R. A. , Pisarev, S. , Kauker, F. , Gerdes, R. and Kikuchi, T. (2011)
An assessment of Arctic Ocean freshwater content changes from the 1990s to the 2006-2008 period ,

Deep-Sea Research I, 58185, 173 .

doi:https://doi.org/10.1016/j.dsr.2010.12.002 , hdl:10013/epic.36728

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Article

Schwegmann, S. , Haas, C.

, Fowler, C. and Gerdes, R. (2011)
A comparison of satellite-derived sea-ice motion with drifting-buoy data in the Weddell Sea, Antarctica ,

Annals of Glaciology, 52 (57), pp. 103-110 .

hdl:10013/epic.36406

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Article

Krumpen, T.

, Willmes, S. , Morales Maqueda, M. A. , Haas, C.

, Hölemann, J.

, Gerdes, R. and Schröder, D. (2010)
Evaluation of a polynya flux model by means of thermal infrared satellite estimates ,

Annals of Glaciology; 52(57), pp. 52-60 .

hdl:10013/epic.36264

Article

Fieg, K. , Gerdes, R. , Fahrbach, E. , Beszczynska-Möller, A. and Schauer, U. (2010)
Simulation of oceanic volume transports through Fram Strait 19952005 ,

Ocean Dynamics .

doi:https://doi.org/10.1007/s10236-010-0263-9 , hdl:10013/epic.35256

Article

Kauker, F. , Kaminski, T. , Karcher, M.

, Giering, R. , Gerdes, R. and Voßbeck, M. (2009)
Adjoint analysis of the 2007 all time Arctic sea-ice minimum ,

Geophysical Research Letters .

doi:https://doi.org/10.1029/2008GL036323 , hdl:10013/epic.31900

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Article

Griffies, S. M. , Biastoch, A. , Böning, C. , Bryan, F. , Danabasoglu, G. , Chassignet, E. P. , England, M. E. , Gerdes, R. , Haak, H. , Hallberg, R. W. , Hazeleger, W. , Jungclaus, J. , Large, W. G. , Madec, G. , Pirani, A. , Samuels, B. L. , Scheinert, M. , Sen Gupta, A. , Severijns, C. A. , Simmons, H. L. , Treguier, A. M. , Winton, M. , Yeager, S. and Yin, J. (2009)
Coordinated ocean-ice reference experiments (COREs) ,

Ocean Modelling, 26 (1), pp. 1-46 .

doi:https://doi.org/10.1016/j.ocemod.2008.08.007 , hdl:10013/epic.31677

Article

de Steur, L. , Hansen, E. , Gerdes, R. , Karcher, M.

, Fahrbach, E. and Holfort, J. (2009)
Freshwater Fluxes in the East Greenland Current: A decade of observations ,

Geophysical Research Letters, 36, L23611. .

doi:https://doi.org/10.1029/2009GL041278 , hdl:10013/epic.33853

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Article

Kauker, F. , Gerdes, R. , Karcher, M.

, Kaminski, T. , Giering, R. and Vossbeck, M. (2009)
Retrospective Summary Comments SIO 2009 AWI/FastOpt/OASys ,

Sea Ice Outlook: monthly reports June, July, August, Retrospective Summary. .

hdl:10013/epic.36313

Article

Proshutinsky, A. , Gerdes, R. , Holland, D. , Holloway, G. and Steele, M. (2008)
AOMIP: coordinated activities to improve models and model predictions ,

CLIVAR Exchanges, 13(1). (Exchanges ; 44), 17 .

hdl:10013/epic.30861

Article

Kauker, F. , Gerdes, R. and Karcher, M.

(2008)
Arctic Sea Ice in summer 2008 - an outlook ,

Sea Ice Outlook: monthly reports .

hdl:10013/epic.30865

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Article

Kauker, F. , Köberle, C. , Gerdes, R. and Karcher, M.

(2008)
Modeling the 20th century Arctic Ocean/Sea Ice system: Reconstruction of surface forcing ,

Journal of Geophysical Research, 113, C09027. .

doi:https://doi.org/10.1029/2006JC004023 , hdl:10013/epic.31554

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Article

Zhang, X.

, Sorteberg, A. , Zhang, J. , Gerdes, R. and Comiso, J. C. (2008)
Recent radical shifts of atmospheric circulations and rapid changes in Arctic climate system ,

Geophysical Research Letters, 35, L22701. .

doi:https://doi.org/10.1029/2008GL035607 , hdl:10013/epic.31676

Article

Gerdes, R. and Köberle, C. (2007)
Comparison of Arctic sea ice thickness variability in IPCC Climate of the 20th Century experiments and in ocean-sea ice hindcasts ,

Journal of Geophysical Research, 112, C04S01. .

doi:https://doi.org/10.1029/2006JC003616 , hdl:10013/epic.28185

Article

Karcher, M.

, Kauker, F. , Gerdes, R. , Hunke, E. and Zhang, J. (2007)
On the Dynamics of Atlantic Water circulation in the Arctic Ocean ,

Journal of geophysical research-oceans, 112, C04S02 .

doi:https://doi.org/10.1029/2006JC003630 , hdl:10013/epic.26592

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Article

Martin, T. and Gerdes, R. (2007)
Sea ice drift variability in Arctic Ocean Model Intercomparison Project models and observations ,

Journal of Geophysical Research - Oceans, 112, C04S10. .

doi:https://doi.org/10.1029/2006JC003617 , hdl:10013/epic.25857

Article

Dorn, W.

, Dethloff, K. , Rinke, A.

, Frickenhaus, S.

, Gerdes, R. , Karcher, M.

and Kauker, F. (2007)
Sensitivities and uncertainties in a coupled regional atmosphere-ocean-ice model with respect to the simulation of Arctic sea ice ,

Journal of Geophysical Research, 112, D10118 .

doi:https://doi.org/10.1029/2006JD007814 , hdl:10013/epic.26687

Article

Köberle, C. and Gerdes, R. (2007)
Simulated variability of the Arctic Ocean fresh water balance 1948-2001 ,

Journal of Physical Oceanography, 37 (6), pp. 1628-1644 .

doi:https://doi.org/10.1175/JPO3063.1 , hdl:10013/epic.27719

Article

Johnson, M. , Gaffigan, S. , Hunke, E. and Gerdes, R. (2007)
A comparison of Arctic Ocean sea ice concentration among the coordinated AOMIP model experiments ,

Journal of Geophysical Research, 112, C04S11 .

doi:https://doi.org/10.1029/2006JC003690 , hdl:10013/epic.28184

Article

Gerdes, R. (2006)
Atmospheric response to changes in Arctic sea ice thickness ,

Geophysical research letters, 33, L18709 .

doi:https://doi.org/10.1029/2006GL027146 , hdl:10013/epic.25541

Article

Gnanadesikan, A. , Dixon, K. W. , Griffies, S. M. , Balaji, V. , Beesley, J. A. , Cooke, W. F. , Delworth, T. L. , Gerdes, R. , Harrison, M. J. , Held, I. M. , Hurlin, W. J. , Lee, H. C. , Liang, Z. , Nong, G. , Pacanowski, R. C. , Rosati, A. , Russell, J. , Samuels, B. L. , Song, S. M. , Spelman, M. J. , Stouffer, R. J. , Sweeney, C. O. , Vecchi, G. , Winton, M. , Wittenberg, A. T. , Zeng, F. and Zhang, R. (2006)
GFDL's CM2 global coupled climate models, Part 2: The baseline ocean simulation ,

Journal of climate, 19 , pp. 675-697 .

hdl:10013/epic.23822

Article

Karcher, M.

, Gerdes, R. and Kauker, F. (2006)
Modeling of δ18O and 99Tc dispersion in Arctic and subarctic seas ,

ASOF Newsletter,Issue No 5, April 2006 .

hdl:10013/epic.24814

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Article

Dorn, W.

, Dethloff, K. , Rinke, A.

, Frickenhaus, S.

, Gerdes, R. , Karcher, M.

and Kauker, F. (2006)
Sea-ice simulations with AWI's coupled regional atmosphere-ocean-ice model HIRHAM-NAOSIM ,

in: Global Implications of Arctic Climate Processes and Feedbacks (edited by A. Rinke and K. Dethloff), Reports on Polar and Marine Research, Vol. 520, p., pp. 41-44 .

hdl:10013/epic.24180

Article

Gerdes, R. , Hurlin, W. and Griffies, S. M. (2006)
Sensitivity of a global ocean model to increased run-off from Greenland ,

Ocean modelling, 12 (3), pp. 416-435 .

doi:https://doi.org/10.1016/j.ocemod.2005.08.003 , hdl:10013/epic.23327

Article

Köberle, C. and Gerdes, R. (2006)
Simulated variability of the Arctic Ocean fresh water balance 1948-2001 ,

Journal of physical oceanography. .

hdl:10013/epic.27658

Article

Prange, M. and Gerdes, R. (2006)
The role of surface freshwater flux boundary conditions in Arctic Ocean models ,

Ocean modelling, 13 (1), pp. 25-43 .

doi:https://doi.org/10.1016/j.ocemod.2005.09.003 , hdl:10013/epic.20941

Article

Proshutinsky, A. , Yang, J. , Gerdes, R. , Karcher, M.

, Kauker, F. , Hakkinen, S. , Hibler, W. , Holland, D. , Maqueda, M. , Holloway, G. , Hunke, E. , Maslowski, W. , Steele, M. and Zhang, J. (2005)
Arctic Ocean Study - Synthesis of Model Results and Observations ,

EOS, Transactions, American Geophysical Union, 368 .

hdl:10013/epic.23311

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Article

Karcher, M.

, Gerdes, R. , Kauker, F. , Köberle, C. and Yashayev, I. (2005)
Arctic Ocean change heralds North Atlantic freshening ,

Geophysical research letters, 32(21), L21606 .

doi:https://doi.org/10.1029/2005GL023861 , hdl:10013/epic.22504

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Article

Griffies, S. M. , Gnanadesikan, A. , Dixon, K. W. , Dunne, J. P. , Gerdes, R. , Harrison, M. J. , Rosati, A. , Russell, J. , Samuels, B. L. , Spelman, M. , Winton, M. and Zhang, R. (2005)
Formulation of an ocean model for global climate simulations ,

Ocean Science, 1 , pp. 45-79 .

hdl:10013/epic.23821

Article

Kauker, F. , Gerdes, R. , Karcher, M.

and Köberle, C. (2005)
Impact of North Atlantic Current changes on the Nordic Seas and the Arctic Ocean ,

Journal of geophysical research-oceans, Vol. 110(C12), C12002 .

doi:https://doi.org/10.1029/2004JC002624 , hdl:10013/epic.21400

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Article

Wang, J. , Ikeda, M. , Zhang, S. and Gerdes, R. (2005)
Linking the Northern Hemisphere sea-ice reduction trend and the quasi-decadal Arctic sea-ice oscillation ,

Climate Dynamics, 24 , pp. 115-130 .

doi:https://doi.org/10.1007/s00382-004-0454-5 , hdl:10013/epic.20942

Article

Drange, H. , Gerdes, R. , Gao, Y. , Karcher, M.

, Kauker, F. and Bentsen, M. (2005)
Ocean General Circulation Modelling of the Nordic Seas ,

in: The Nordic Seas: An Integrated Perspective, Drange, Dokken, Furevik, Gerdes and Berger (Eds.), AGU Monograph 158,American geophysical Union, Washington DC, pp., pp. 199-220 .

hdl:10013/epic.22799

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Article

Polyakov, I. V. , Beszczynska, A. , Carmack, E. C. , Dmitrenko, I. A. , Fahrbach, E. , Frohlov, I. E. , Gerdes, R. , Hansen, E. , Holfort, J. , Ivanov, V. V. , Johnson, M. A. , Karcher, M.

, Kauker, F. , Morison, J. , Orvik, K. A. , Schauer, U. , Simmons, H. L. , Skagseth, O. , Sokolov, V. T. , Steele, M. , Timokhov, L. A. , Walsh, D. and Walsh, J. E. (2005)
One more step toward a warmer Arctic ,

Geophysical research letters, 32, LI7605 .

doi:https://doi.org/10.1029/2005GL023740 , hdl:10013/epic.23310

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Article

Brauch, J. and Gerdes, R. (2005)
Reaction of the northern North Atlantic and Arctic oceans to a sudden change of the North Atlantic Oscillation. ,

Journal of geophysical research-oceans, 110, C11018 .

doi:https://doi.org/10.1029/2004JC002436 , hdl:10013/epic.20837

Article

Gerdes, R. , Griffies, S. M. and Hurlin, W. (2005)
Reaction of the oceanic circulation to increased melt water flux from Greenland - a test case for ocean general circulation models ,

CLIVAR Exchanges, 10 (2), pp. 28-31 .

hdl:10013/epic.31675

Article

Gerdes, R. , Hurka, J. , Karcher, M.

, Kauker, F. and Köberle, C. (2005)
Simulated history of convection in the Greenland and Labrador seas 1948-2001 ,

AGU monograph Climate Variability of the Nordic Seas, Bjerknes Centre for Climate Research, Bergen, Norway, pp. 221-238 .

hdl:10013/epic.20343

Article

Steiner, N. , Holloway, G. , Gerdes, R. , Haekkinen, S. , Holland, D. , Karcher, M.

, Kauker, F. , Maslowski, W. , Proshutinsky, A. , Steele, M. and Zhang, J. (2004)
Comparing modeled streamfunction, heat and freshwater content in the Arctic Ocean ,

Ocean modelling, 6 , pp. 265-284 .

doi:https://doi.org/10.1016/S1463-5003(03)00013-1 , hdl:10013/epic.16240

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Article

Goose, H. , Gerdes, R. , Kauker, F. and Köberle, C. (2004)
On the causes of sea-ice volume variations during the period 1955-1997 ,

Journal of Climate, 17 (3), pp. 1294-1305 .

hdl:10013/epic.16300

Article

Karcher, M.

, Gerdes, R. , Kauker, F. and Köberle, C. (2003)
Arctic warming - Evolution and Spreading of the 1990s warm event in the Nordic Seas and the Arctic Ocean, ,

Journal of Geophysical Research, Vol. 108(C2) .

doi:https://doi.org/10.1029/2001JC001265 , hdl:10013/epic.15375

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Article

Gerdes, R. , Karcher, M.

, Kauker, F. and Schauer, U. (2003)
Causes and development of repeated Arctic Ocean warming events ,

Geophysical research letters, 30 (19) .

doi:https://doi.org/10.1029/2003GL018080 , hdl:10013/epic.19596

Article

Köberle, C. and Gerdes, R. (2003)
Mechanisms determining the variability of Arctic sea ice conditions and export ,

Journal of Climate, 16 , pp. 2843-2858 .

hdl:10013/epic.16173

Article

Brix, H. and Gerdes, R. (2003)
North Atlantic Deep Water and Antarctic Bottom Water: Their interaction and influence on the variability of the global ocean circulation ,

Journal of Geophysical ResearchC2), 108 .

doi:https://doi.org/10.1029/2002JC001335 , hdl:10013/epic.15695

Article

Kauker, F. , Gerdes, R. , Karcher, M.

, Köberle, C. and Lieser, J. L. (2003)
Variability of Arctic and North Atlantic sea ice: A combined analysis of model results and observations from 1978 to 2001 ,

Journal of Geophysical ResearchC6), 108 .

doi:https://doi.org/10.1029/2002JC001573 , hdl:10013/epic.16221

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Article

Rinke, A.

, Gerdes, R. , Dethloff, K. , Kandlbinder, T. , Karcher, M.

, Kauker, F. , Frickenhaus, S.

, Köberle, C. and Hiller, W. (2003)
A case study of the anomalous Arctic sea ice conditions during 1990: Insights from coupled and uncoupled regional climate model simulations ,

Journal of geophysical research, Vol. 108, No. D9 .

doi:https://doi.org/10.1029/2002JD003146 , hdl:10013/epic.16382

Article

Meissner, K. and Gerdes, R. (2002)
Coupled climate modelling of ocean circulation changes during ice age inception ,

Climate Dynamics, 18 , pp. 455-473 .

hdl:10013/epic.14533

Article

Karcher, M.

, Gerdes, R. , Kauker, F. and Köberle, C. (2002)
Modelling decadal variability of Arctic sea ice ,

Newsletter from the AOSB - Arctic Ocean Sciences Board, July 2002ff., 11 .

hdl:10013/epic.16153

Article

Borowski, D. , Gerdes, R. and Olbers, D.

(2002)
Thermohaline and wind forcing of a circumpolar channel with blocked geostrophic contours ,

Journal of Physical Oceanography, Vol. 32, No. 9, pp, pp. 2520-2540 .

hdl:10013/epic.15265

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Article

Brümmer, B. , Müller, G. , Affeld, B. , Gerdes, R. , Karcher, M.

and Kauker, F. (2001)
Cyclones over Fram Strait:Impact on sea ice and variability ,

Polar Research, 20 (2), pp. 147-152 .

hdl:10013/epic.14593

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Article

Grosfeld, K.

, Schröder, M. , Fahrbach, E. , Gerdes, R. and Mackensen, A.

(2001)
How iceberg calving and grounding change the circulation and hydrography in the Filchner Ice Shelf-Ocean System ,

Journal of Geophysical Research, 106, C5, pp. 9039-9055 .

doi:2000JC000601 , hdl:10013/epic.14104

Article

Proshutinsky, A. , Steele, M. , Zhang, J. , Holloway, G. , Steiner, N. , Hakkinen, S. , Holland, D. , Gerdes, R. , Köberle, C. , Karcher, M.

, Johnson, M. , Maslowski, W. , Walczowski, W. , Hibler, W. and Wang, J. (2001)
Multinational effort studies differences among Arctic Ocean models ,

EOS, Transactions, American Geophysical Union, 82(51), 637 , pp. 643-644 .

hdl:10013/epic.15430

Article

Williams, M. J. M. , Grosfeld, K.

, Warner, R. , Gerdes, R. and Determann, J. (2001)
Ocean circulation and ice-ocean interaction beneath the Amery Ice Shelf, Antarctica ,

Journal of Geophysical ResearchC10), 106 , pp. 22383-22399 .

hdl:10013/epic.14534

Article

Gerdes, R. , Karcher, M.

, Kauker, F. and Köberle, C. (2001)
Predicting the spread of radioactive substances from Kursk ,

EOS, Transactions, American Geophysical Union, 82(23), 253 , pp. 256-257 .

hdl:10013/epic.14532

Article

Gerdes, R. , Biastoch, A. and Redler, R. (2001)
Salt balance of the Gulf Stream in a regional model: Implications for climate variability ,

Climate Dynamics, 18 (1), pp. 17-27 .

hdl:10013/epic.14531

Article

Fieg, K. and Gerdes, R. (2001)
Sensitivity of the thermohaline circulation to modern and glacial surface boundary conditions ,

Journal of Geophysical Research. 106 (C4), pp. 6853-6867 .

hdl:10013/epic.14530

Article

Griffies, S. M. , Böning, C. , Bryan, F. O. , Chassignet, E. P. , Gerdes, R. , Hasumi, H. , Hirst, A. , Treguier, A. M. and Webb, D. (2000)
Developments in ocean climate modelling ,

Ocean modelling, 2 , pp. 123-192 .

hdl:10013/epic.14529

Article

Gerdes, R. (2000)
Modelling the variability of exchanges between the Arctic Ocean and the Nordic Seas ,

The freshwater budget of the Arctic Ocean : [proceedings of the NATO Advanced Research Workshop on the Freshwater Budget of the Arctic Ocean, Tallinn, EstoniaApril - 1 May 1998] / ed. by Edward Lyn Lewis ... Dordrecht [u.a.] : Kluwer Acad. Publ., 533-547., 27 .

hdl:10013/epic.11506

Article

Fritzsch, B. , Gerdes, R. , Hiller, W. , Latif, M. , Legutke, S. , Maier-Reimer, E. , Olbers, D.

and Roeske, F. (2000)
Vergleich der thermohalinen Zirkulation in zwei globalen ozeanischen Zirkulationsmodellen - The Ocean Model Intercomparison Project ,

Abschlußbericht BMBF Projekt 01 LA 9862/8 .

hdl:10013/epic.14513

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Article

Gerdes, R. , Köberle, C. , Beckmann, A. , Herrmann, P. and Willebrand, J. (1999)
Mechanisms for spreading of Mediterranean water in coarse resolution numerical models ,

Journal of Physical Oceanography, 29 , pp. 1682-1700 .

hdl:10013/epic.11504

Article

Gerdes, R. and Köberle, C. (1999)
Numerical simulation of salinity anomaly propagation in the Nordic Seas and the Arctic Ocean ,

Polar Research, 18 (2), pp. 159-166 .

hdl:10013/epic.11505

Article

Gerdes, R. , Determann, J. and Grosfeld, K.

(1999)
Ocean circulation beneath Filchner-Ronne-Ice-Shelf from three-dimensional model results ,

Journal of Geophysical Research C7), 104 , pp. 15827-15842 .

hdl:10013/epic.11503

Article

Grosfeld, K.

and Gerdes, R. (1998)
Circulation beneath the Filchner Ice Shelf, Antarctica, and its sensitivity to changes in the oceanic environment: a case study ,

Annals of glaciology, 27 , pp. 99-104 .

hdl:10013/epic.11671

Article

Grosfeld, K.

and Gerdes, R. (1998)
Circulation in the Filchner-Ronne Ice Shelf domain: First results from a 3d-ocean model ,

FRISP Report (ed. H. Oerter), Alfred-Wegener-Institut, Bremerhaven, 12 , pp. 35-39 .

hdl:10013/epic.14527

Article

Lohmann, G.

and Gerdes, R. (1998)
Sea ice effects on the sensitivity of the thermohaline circulation in simplified atmosphere-ocean-sea ice models ,

Journal of Climate, 11 , pp. 2789-2803 .

hdl:10013/epic.12580

Article

Gerdes, R. and Schauer, U. (1997)
Large-scale circulation and water mass distribution in the Arctic Ocean from model results and observations ,

Journal of geophysical research-oceansC4, 102 , pp. 8467-8483 .

hdl:10013/epic.11502

Article

Prange, M. , Lohmann, G.

and Gerdes, R. (1997)
Sensitivity of the thermohaline circulation for different climates - Investigations with a simple atmosphere-ocean model ,

Palaeoclimates 2, 2 , pp. 71-99 .

hdl:10013/epic.21670

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Article

Grosfeld, K.

, Gerdes, R. and Determann, J. (1997)
Thermohaline circulation and interaction between ice shelf cavities and the adjacent open ocean ,

Journal of Geophysical ResearchC7, 102 , pp. 15595-15610 .

hdl:10013/epic.11670

Article

Lohmann, G.

, Gerdes, R. and Chen, D. (1996)
Sensitivity of the thermohaline circulation in coupled oceanic GCM - atmospheric EBM experiments ,

Climate Dynamics, 12 , pp. 403-416 .

hdl:10013/epic.12577

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Article

Lohmann, G.

, Gerdes, R. and Chen, D. (1996)
Stability of the thermohaline circulation in a simple coupled model ,

TellusA, 48 , pp. 465-477 .

hdl:10013/epic.12578

Article

Grosfeld, K.

, Gerdes, R. and Determann, J. (1996)
Thermohaline circulation beneath and in front of Filchner Ice Shelf ,

FRISP Report, Alfred-Wegener-Institut, Bremerhaven .

hdl:10013/epic.14525

Article

Chen, D. , Gerdes, R. and Lohmann, G.

(1995)
A 1-D atmospheric energy balance model developed for ocean modelling ,

Theoretical and applied climatology, 51 , pp. 25-38 .

hdl:10013/epic.11120

Article

Gerdes, R. and Köberle, C. (1995)
Influence of DSOW on the North Atlantic general circulation ,

Journal of Physical Oceanography, 25 , pp. 2624-2642 .

hdl:10013/epic.11501

Article

Grosfeld, K.

, Determann, J. and Gerdes, R. (1995)
Interaction between ice-shelf cavities and the open ocean ,

FRISP Report, ALfred-Wegener-Institut, Bremerhaven, 9 , pp. 23-30 .

hdl:10013/epic.14523

Article

Determann, J. and Gerdes, R. (1994)
Melting and freezing beneath ice shelves - implications from a 3-D ocean circulation model ,

Annals of Glaciology, 20 , pp. 413-419 .

hdl:10013/epic.11181

Article

Determann, J. and Gerdes, R. (1994)
Melting and freezing beneath ice shelves: Implications from a 3-d ocean circulation model ,

Berichte aus dem Fachbereich Physik .

hdl:10013/epic.14521

Article

Determann, J. , Grosfeld, K.

, Gerdes, R. and Hinze, H. (1994)
Melting and freezing rates beneath Filchner-Ronne Ice Shelf from a 3-d ocean circulation model ,

FRISP Report, Alfred-Wegener-Institut, Bremerhaven, 8 , pp. 12-19 .

hdl:10013/epic.14522

Article

Chen, D. , Gerdes, R. and Lohmann, G.

(1993)
A 1-d energy balance atmospheric model applied to ocean modelling ,

Berichte aus dem Fachbereich Physik .

hdl:10013/epic.14520

Article

Chen, D. , Gerdes, R. and Lohmann, G.

(1993)
An energy moisture balance model to be applied for climate studies ,

Technical Report. .

hdl:10013/epic.21583

Article

Gerdes, R. (1993)
A primitive equation ocean circulation model using a general vertical coordinate transformation, Part 2 application to an overflow problem ,

Journal of Geophysical Research, 98 , pp. 14703-14726 .

hdl:10013/epic.11499

Article

Gerdes, R. (1993)
A primitive equation ocean circulation model using a general vertical coordinate transformation. Part 1: Description and testing of the model ,

Journal of Geophysical Research, 98 , pp. 14683-14701 .

hdl:10013/epic.14518

Article

Gerdes, R. and Wübber, C. (1991)
Seasonal variability of the North Atlantic Ocean - a model intercomparison ,

Journal of Physical Oceanography, 21 , pp. 1300-1322 .

hdl:10013/epic.11496

Article

Gerdes, R. , Köberle, C. and Willebrand, J. (1991)
The influence of numerical advection schemes on the results of ocean general circulation models ,

Climate Dynamics, 5 , pp. 211-226 .

hdl:10013/epic.11495

Article

Gerdes, R. (1989)
The role of numerical advection schemes in general circulation models ,

'Aha Huliko'a Hawaiian Winter Workshop, University of Hawaii at Manoa (Mueller, P., D. Henderson, eds.), pp. 21-57 .

hdl:10013/epic.14519

Book

Drange, H. , Dokken, T. , Furevik, T. , Gerdes, R. and Berger, W. (2005)
The Nordic seas : an integrated perspective ; oceanography, climatology, biogeochemistry, and modeling ,

Washington, DC : American Geophysical Unionpp. (Geophysical Monograph ; 158), ISBN: 0-87590-423-8 .

hdl:10013/epic.23825

Inbook

Ricker, R.

, Hendricks, S.

, Helm, V.

and Gerdes, R. (2015)
Classification of CryoSat-2 Radar Echoes / Lohmann, G.

, Meggers, H. , Unnithan, V. , Wolf-Gladrow, D.

, Notholt, J. and Bracher, A.

(editors) ,

In: Towards an Interdisciplinary Approach in Earth System Science, (Springer Earth System Sciences), Heidelberg [u.a.], Springer International Publishing, 251 p., ISBN: 978-3-319-13864-0 .

doi:https://doi.org/10.1007/978-3-319-13865-7_17 , hdl:10013/epic.45046

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Inbook

Castellani, G.

, Gerdes, R. , Losch, M.

and Lüpkes, C.

(2015)
Impact of Sea-Ice Bottom Topography on the Ekman Pumping / Lohmann, G.

, Meggers, H. , Unnithan, V. , Wolf-Gladrow, D.

, Notholt, J. and Bracher, A.

(editors) ,

In: Towards an Interdisciplinary Approach in Earth System Science, (Springer Earth System Sciences), Heidelberg [u.a.], Springer, 251 p., ISBN: 978-3-319-13865-7 .

doi:https://doi.org/10.1007/978-3-319-13865-7_16 , hdl:10013/epic.45022

Inbook

Schwegmann, S. , Timmermann, R. , Gerdes, R. and Lemke, P.

(2013)
Summer sea ice concentration changes in the Weddell Sea and their causes / Grosfeld, K.

, Lohmann, G.

, Wolf-Gladrow, D.

, Unnithan, V. , Notholt, J. and Wegner, A. (editors) ,

In: Earth System Science: Bridging the Gaps between Disciplines Perspectives from a Multi-disciplinary Helmholtz Research School, SpringerBriefs in Earth System Science, Heidelberg, Springer, 138 p., ISBN: ISBN 978-3-642-32234 .

doi:https://doi.org/10.1007/978-3-642-32235-8 , hdl:10013/epic.41286

Inbook

Karcher, M.

, Gerdes, R. and Kauker, F. (2008)
Long-term variability of Atlantic water inflow to the Northern Seas: insights from model experiments ,

Arctic-Subarctic Ocean Fluxes: Defining the role of the Northern Seas in Climate, Editors: B. Dickson, J. Meincke and P. Rhines, Springer, ISBN: 978-1-4020-6773-0 .

hdl:10013/epic.30223

Inbook

Gerdes, R. , Karcher, M.

, Köberle, C. and Fieg, K. (2008)
Simulating the long term variability of liquid freshwater export from the Arctic Ocean ,

Arctic-Subarctic Ocean Fluxes: Defining the role of the Northern Seas in Climate, Editors: B. Dickson, J. Meincke and P. Rhines, Springer, ISBN: 978-1-4020-6773-0 .

hdl:10013/epic.30224

Inbook

Drange, H. , Dokken, T. , Furevik, T. , Gerdes, R. , Berger, W. , Nesje, A. , Orvik, K. A. , Skagseth, O. , Skjelvan, I. and Osterhus, S. (2005)
The Nordic Seas: An overview ,

The Nordic seas : an integrated perspective ; oceanography, climatology, biogeochemistry, and modeling / Helge Drange ... editors. Washington, DC : American Geophysical Union. (Geophysical monograph ; 158), ISBN: 0-87590-423-8 .

hdl:10013/epic.23823

Inbook

Drange, H. , Dokken, T. , Furevik, T. , Gerdes, R. and Berger, W. (2005)
Preface ,

The Nordic seas : an integrated perspective ; oceanography, climatology, biogeochemistry, and modeling / Helge Drange ... editors. Washington, DC : American Geophysical Union, vii-viii. (Geophysical monograph ; 158), ISBN: 0-87590-423-8 .

hdl:10013/epic.23824

Inbook

Gerdes, R. (2001)
Stroemungen und Wirbel - Der Wasserkreislauf im Nordpolarmeer ,

Eiskalte Entdeckungen : Forschungsreisen zwischen Nord- und Südpol / hrsg. von Gert Lange. Mit fünf künstlerischen Fotogr. von Britta Lauer. Bielefeld : Delius Klasing, ISBN: 3-7688-1257-X .

hdl:10013/epic.15412

Inbook

Dengg, J. , Beckmann, A. and Gerdes, R. (1996)
The Gulf Stream separation problem ,

The warmwatersphere of the North Atlantic Ocean (W Krauss, ed ) .

hdl:10013/epic.11169

Thesis

Thesis -PhD

Gerdes, R. (1988)
Die Rolle der Dichtediffusion in numerischen Modellen der Nordatlantischen Zirkulation ,

PhD thesis, Universitaet Kiel.

hdl:10013/epic.14517

Conference

Conference -Talk

Sumata, H. , Kauker, F. , Karcher, M.

and Gerdes, R. (2019)
Simultaneous optimization of Arctic sea-ice model parameters by a genetic algorithm ,

9th International workshop on sea ice modelling, data assimilation and validation, Bremen, Germany, 17 June 2019 - 19 June 2019 .

hdl:10013/epic.9723efd7-d850-4c06-bd4f-2549726b1775

Conference -Talk

Reeve, K.

, Kanzow, T. , Strass, V.

, Boebel, O.

and Gerdes, R. (2019)
The Weddell Gyre: Warm Deep Water circulation and fluxes of heat derived from Argo floats ,

EGU2019, Vienna, Austria, 7 April 2019 - 12 April 2019 .

hdl:10013/epic.136ff28a-32f8-416a-97bf-f558c95effd0

Preview

Conference -Poster

Kovacs, T.

and Gerdes, R. (2018)
The role of wind stress in the Arctic and North Atlantic freshwater covariability ,

FAMOS Workshop, Bergen, Norway, 23 October 2018 - 26 October 2018 .

hdl:10013/epic.497fcbe8-8cdc-47b1-9bbe-8d9fbde31db4

Preview

Conference -Talk

Kovacs, T.

and Gerdes, R. (2018)
Wind stress forcing in the Arctic and North Atlantic oceans ,

POLAR2018 Open Science Conference, Davos, Switzerland, 19 June 2018 - 23 June 2018 .

hdl:10013/epic.7026e087-629d-4c62-8563-fe77581bbcaa

Preview

Conference -Poster

Sumata, H.

, Kauker, F. , Karcher, M.

and Gerdes, R. (2018)
A covariant feature of optimal parameters for Arctic sea ice model ,

REKLIM workshop 2018, Boppard, Germanay, 15 May 2018 - 17 May 2018 .

hdl:10013/epic.4743e810-5ca5-49ee-8e23-525a62ca673b

Conference -Poster

Kovacs, T.

and Gerdes, R. (2018)
Modeling the freshwater system of the Arctic and North Atlantic oceans ,

EGU General Assembly, Vienna, Austria, 8 April 2018 - 13 April 2018 .

hdl:10013/epic.f88c4e61-98f1-4d58-947f-e606d5d58b0b

Preview

Conference -Talk

Reeve, K.

, Boebel, O.

, Strass, V.

, Kanzow, T. and Gerdes, R. (2018)
Using Argo Float Data as a Tool to Investigate the Circulation of the Weddell Gyre ,

Ocean Sciences Meeting, Portland, Oregon, 11 February 2018 - 16 February 2018 .

hdl:10013/epic.ece622b3-3c56-4c65-be47-60057b41d507

Conference -Talk

Sumata, H.

, Kauker, F. , Karcher, M.

and Gerdes, R. (2018)
A simultaneous optimization of Arctic sea ice model parameters by genetic algorithm ,

5th International symposium on Arctic research, Tokyo, Japan, 16 January 2018 - 18 January 2018 .

hdl:10013/epic.408ad8e3-71c7-4af8-aae3-74d432e65900

Conference -Poster

Reeve, K. , Kanzow, T. , Rohardt, G.

, Boebel, O.

, Strass, V.

and Gerdes, R. (2018)
Circulation of the Weddell Gyre Inferred from Long-term Observations ,

POLAR2018 SCAR/IASC Open Science Conference, Davos, Switzerland, 19 June 2018 - 23 June 2018 .

hdl:10013/epic.aa78b47b-5292-49cb-ac6a-ad50b9aa74e5

Conference -Talk

Sumata, H.

, Kauker, F. , Karcher, M.

and Gerdes, R. (2017)
A simultaneous optimization of Arctic sea ice model parameters by genetic algorithm ,

8th international workshop on sea ice modelling, data assimilation and verification, Bergen, Norway, 1 November 2017 - 3 November 2017 .

hdl:10013/epic.82193d16-7ffb-46d2-aa20-8a0c1ae256ab

Conference -Talk

Kovacs, T.

and Gerdes, R. (2017)
Climate response functions of the joint freshwater budget of the Arctic and North Atlantic oceans to changes in external wind forcing in an otherwise fully coupled earth system model ,

FAMOS Workshop, Woods Hole, USA, 24 October 2017 - 27 October 2017 .

hdl:10013/epic.eb0cfed2-f214-4eca-998b-942b4d671023

Preview

Conference -Poster

Kovacs, T.

and Gerdes, R. (2017)
Wind forcing of the Arctic and North Atlantic freshwater system ,

YOUMARES 8, Kiel, Germany, 13 September 2017 - 15 September 2017 .

hdl:10013/epic.5f3e9277-b34a-4c99-bf84-9661a24e1472

Preview

Conference -Poster

Sumata, H.

, Kauker, F. , Karcher, M.

and Gerdes, R. (2017)
Decorrelation scale for Arctic Ocean Hydrography. Part I: Amerasian Basin ,

REKLIM Workshop, Fleesensee, 27 March 2017 - 29 March 2017 .

hdl:10013/epic.4100e2f0-875a-44d2-ae5c-60c7569e31a8

Conference -Talk

Sumata, H.

, Behrendt, A.

, Cho, K. H. , Gerdes, R. , Hölemann, J.

, Janout, M.

, Karcher, M.

, Kauker, F. , Kikuchi, T. , Psarev, S. , Rabe, B.

, Schauer, U. , Shimada, K. , Somavilla Cabrillo, R. and Timmermans, M. L. (2017)
Decorrelation scales for Arctic Ocean Hydrography: Part I. Amerasian Basin ,

ASOF workshop, Sopot, Poland, 20 March 2017 - 22 March 2017 .

hdl:10013/epic.e87208e7-1333-44a2-bc15-a93547b71f35

Conference -Poster

Kovacs, T.

, Horn, M.

and Gerdes, R. (2016)
Drivers of freshwater distribution in the Arctic and Atlantic oceans ,

FAMOS Workshop, Woods Hole, USA, 1 November 2016 - 4 November 2016 .

hdl:10013/epic.66965e62-9943-42e4-a65b-824b64993c02

Preview

Conference -Invited talk

Riemann-Campe, K.

, Gerdes, R. , Karcher, M.

and Kauker, F. (2016)
IPCC AR5: Projections of Arctic Sea Ice Change ,

Arctic Circle, Reykjavik, Iceland, 6 October 2016 - 9 October 2016 .

hdl:10013/epic.f14e36ad-32b6-49b7-a297-0d9d2ac8df18

Preview

Conference -Poster

Sumata, H.

, Kauker, F. , Gerdes, R. , Karcher, M.

and Köberle, C. (2016)
A simultaneous optimization of sea ice model parameters by genetic algorithm ,

REKLIM workshop, Merseburg, Germany, 27 April 2016 - 29 April 2016 .

hdl:10013/epic.49098

Conference -Poster

Hoppmann, M.

, Hunkeler, P. , Hendricks, S.

, Kalscheuer, T. and Gerdes, R. (2016)
A glimpse beneath Antarctic sea ice: observation of platelet-layer thickness and ice-volume fraction with multi-frequency EM ,

EGU General Assembly, Vienna, Austria, 17 April 2016 - 22 April 2016 .

hdl:10013/epic.47768

Preview

Conference -Talk

Sumata, H.

, Kwok, R. , Gerdes, R. , Kauker, F. and Karcher, M.

(2016)
Empirical error functions for monthly-mean Arctic sea-ice drift ,

7th IICWG International Workshop on Sea Ice Data Assimilation and Verification, Frascati, Italy, 5 April 2016 - 7 April 2016 .

hdl:10013/epic.49095

Conference -Poster

Rabe, B.

, Schauer, U. , Gerdes, R. , Karcher, M.

, Kauker, F. , von Appen, W. J.

, Horn, M.

and Kovacs, T.

(2016)
RACE TP 2.1: Arctic Circulation as part of the North Atlantic current system ,

RACE Abschlussseminar, Bremen, DE .

hdl:10013/epic.49385

Preview

Conference -Poster

Hoppmann, M.

, Hunkeler, P. , Hendricks, S.

, Kalscheuer, T. and Gerdes, R. (2015)
A glimpse beneath Antarctic sea ice: observation of platelet-layer thickness and ice-volume fraction with multi-frequency EM ,

AGU Fall Meeting 2015, San Francisco, USA, 14 December 2015 - 18 December 2015 .

hdl:10013/epic.46435

Preview

Conference -Invited talk

Riemann-Campe, K.

, Gerdes, R. , Karcher, M.

and Kauker, F. (2015)
IPCC AR5: Projections of Arctic Change ,

Our Common Future Under Climate Change, Paris, France, 7 July 2015 - 10 July 2015 .

hdl:10013/epic.8c8a2d26-8c26-41cd-95d8-c1079ce74fa7

Conference -Talk

Sumata, H.

, Kwok, R. , Gerdes, R. , Kauker, F. and Karcher, M.

(2015)
Uncertainty assessment of Arctic summer ice drift for data assimilation ,

REKLIM workshop, Neumuenster, Germany, 18 May 2015 - 20 May 2015 .

hdl:10013/epic.46099

Conference -Talk

Katlein, C.

, Nicolaus, M.

, Jakuba, M. , Suman, S. , Elliott, S. , Whitcomb, L. L. , McFarland, C. , Perovich, D. K. , Gerdes, R. , Boetius, A.

and German, C. (2015)
Influence of ice thickness and surface properties on light transmission through Arctic sea ice ,

EGU General Assembly 2015, Wien, 13 April 2015 - 17 April 2015 .

hdl:10013/epic.45378

Preview

Conference -Poster

Katlein, C.

, Arndt, S.

, Nicolaus, M.

, Perovich, D. K. , Jakuba, M. V. , Suman, S. , Elliott, S. , Whitcomb, L. L. , McFarland, C. and Gerdes, R. (2015)
Influence of ice thickness and surface properties on light transmission through Arctic sea ice ,

AGU Fall meeting, San Francisco, CA, USA, 2015 - unspecified .

hdl:10013/epic.46565

Preview

Conference -Talk

Sumata, H.

, Gerdes, R. , Kauker, F. , Karcher, M.

and Koeberle, C. (2014)
Development of ocean-sea ice model for the Arctic by model-data synthesis ,

REKLIM International Conference, Berlin, 6 October 2014 - 9 October 2014 .

hdl:10013/epic.45057

Conference -Poster

Hoppmann, M.

, Nicolaus, M.

, Paul, S.

, Hunkeler, P. , Heil, P. , Behrens, L. K. , König-Langlo, G. and Gerdes, R. (2014)
Seasonal evolution of an ice-shelf influenced fast-ice regime, derived from an autonomous thermistor chain ,

SPP1158 Annual Workshop, 24 September 2014 - 26 September 2014 .

hdl:10013/epic.47771

Preview

Conference -Talk

Sumata, H.

, Lavergne, T. , Girard-Ardhuin, F. , Kimura, N. , Tschudi, M. , Kauker, F. , Karcher, M.

and Gerdes, R. (2014)
An intercomparison of Arctic ice drift products to deduce uncertainty estimates ,

6th International Workshop on Sea Ice Modelling and Data Assimilation, Toulouse, 15 September 2014 - 16 September 2014 .

hdl:10013/epic.45056

Conference -Talk

Hendricks, S.

, Ricker, R.

, Helm, V.

, Haas, C. , Skourup, H. , Herber, A. , Schwegmann, S. , Gerdes, R. and Davidson, M. (2013)
CryoSat-2 Sea-Ice Freeboard and Thickness ,

ESA Living Planet Symposium, Edinburgh, 9 September 2013 - 13 September 2013 .

hdl:10013/epic.42309

Preview

Conference -Poster

Hunkeler, P. , Hendricks, S.

, Hoppmann, M.

and Gerdes, R. (2013)
Multi-Frequency Electromagnetics for Sea-Ice Thickness Retrieval ,

25th Schmucker-Weidelt-Colloquium on deep electromagnetic sounding, Kirchhundem Rahrbach, Germany, 23 September 2013 - 27 September 2013 .

hdl:10013/epic.44730

Preview

Conference -Poster

Hiller, W. , Gerdes, R. , Treffeisen, R. , Grosfeld, K.

, Heygster, G. , Asseng, J. , Nicolaus, M.

, Hendricks, S.

, Fritzsch, B. , Bräuer, B. , Weigelt, M. and Kornmann, A. (2013)
A new web portal on sea ice for public and science - an example for an outreach activity within REKLIM ,

REKLIM Workshop, Bad Honnef, Germany, 16 April 2013 - 18 April 2013 .

hdl:10013/epic.41406

Preview

Conference -Talk

Sumata, H.

, Kauker, F. , Gerdes, R. , Köberle, C. and Karcher, M.

(2013)
Application of genetic algorithms to a parameter optimization of a coupled ocean-sea ice model in the Arctic Ocean ,

EGU General Assembly 2013, Vienna, Austria, 7 April 2013 - 12 April 2013 .

hdl:10013/epic.41892

Conference -Talk

Sumata, H.

, Kauker, F. , Gerdes, R. , Köberle, C. and Karcher, M.

(2013)
Application of genetic algorithms to a parameter optimization of a sea ice model ,

3rd REKLIM workshop, Bad Honnef, Germany, 16 April 2013 - 18 April 2013 .

hdl:10013/epic.41894

Conference -Talk

Hunkeler, P. , Hendricks, S.

, Pfaffhuber, A. , Vöge, M. and Gerdes, R. (2013)
Enhanced Sea-Ice Thickness Retrieval with Multi-Frequency Electromagnetic Devices ,

SEG/AGU Joint Workshop on Cryosphere Geophysics, Boise, Idaho, USA, 6 January 2013 - 8 January 2013 .

hdl:10013/epic.44731

Preview

Conference -Poster

Itkin, P. , Karcher, M.

and Gerdes, R. (2013)
Is weaker sea ice changing the Atlantic Water circulation? ,

FAMOS workshop, Woods Hole, MA, USA, 21 October 2013 - 24 October 2013 .

hdl:10013/epic.42893

Preview

Conference -Poster

Itkin, P. , Gerdes, R. , Losch, M.

and Karcher, M.

(2013)
Role of the landfast ice in the Arctic ocean circulation ,

EGU General Assembley, 2013 - unspecified .

hdl:10013/epic.42894

Preview

Conference -Talk

Ricker, R.

, Hendricks, S.

, Helm, V.

, Gerdes, R. and Skourup, H. (2012)
Comparison Of Sea-Ice Freeboard And Thickness Distributions From Aircraft Data And Cryosat-2 ,

Earth Observation & Cryospehere Science Conference, ESRIN, Frascati, Italy, 13 November 2012 - 16 November 2012 .

hdl:10013/epic.40969

Preview

Conference -Poster

Ricker, R.

, Hendricks, S.

, Helm, V.

, Gerdes, R. and Skourup, H. (2012)
A Comparison of Sea-Ice Freeboard Distributions from Aircraft Data and CryoSat-2 ,

20 Years of Progress in Radar Altimetry, Venice, Italy, 24 September 2012 - 29 September 2012 .

hdl:10013/epic.40122

Preview

Conference -Talk

Sumata, H.

, Kauker, F. , Gerdes, R. , Köberle, C. and Karcher, M.

(2012)
Exploring a parameter optimization method for sea ice model ,

3rd REKLIM Conference "Klimawandel in Regionen", Potsdam, Germany, 3 September 2012 - 4 September 2012 .

hdl:10013/epic.41893

Conference -Talk

Schwegmann, S. , Timmermann, R. , Gerdes, R. and Lemke, P.

(2012)
Sea ice variability and trends in the Weddell Sea for 1979-2006 ,

SCAR and Open Science conference, Portland, Oregon, USA .

hdl:10013/epic.41588

Preview

Conference -Talk

Schwegmann, S. , Timmermann, R. , Gerdes, R. and Lemke, P.

(2012)
Changes of sea ice drift and deformation in the Weddell Sea ,

Team workshop at the International Space Science Institute: Space-borne monitoring of Antarctic sea ice, Bern, Switzerland, 29 May 2012 - 1 June 2012 .

hdl:10013/epic.43802

Preview

Conference -Poster

Rabe, B.

, Karcher, M.

, Schauer, U. , Toole, J. , Krishfield, R. , Pisarev, S. , Kauker, F. , Gerdes, R. and Kikuchi, T. (2011)
An assessment of Arctic Ocean freshwater content changes from the 1990s to the 2006-2008 period and beyond ,

WCRP Open Science Conference Climate Research in Service to Society -- Session C40: The Changing Cryosphere and Its Role in the Climate System, Denver, USA .

hdl:10013/epic.38618

Preview

Conference -Talk

Krumpen, T.

, Köberle, C. , Hendricks, S.

, Rabenstein, L. , Willmes, S. and Gerdes, R. (2011)
Investigation Of Sea Ice Formation On Arctic Shelves By Means Of Helicopter-Borne Ice Thickness Measurements And Different Satellites ,

International Union of Geodesy and Geophysics (IUGG) General Assembly, Melbourne, Australia, 28 June 2011 - 7 July 2011 .

hdl:10013/epic.38550

Conference -Invited talk

Krumpen, T.

, Hendricks, S.

, Herber, A. and Gerdes, R. (2011)
Sea Ice Thickness Surveys with Polar Research Aircrafts ,

Seminar at the Antarctic Climate & Ecosystems Cooperative Research Centre, University of Tasmania, Hobart, Tasmania, Australia, 22 June 2011 - unspecified .

hdl:10013/epic.38552

Conference -Talk

Karcher, M.

, Smith, J. N. , Kauker, F. and Gerdes, R. (2011)
Dispersion of 129Iodine in the Arctic Ocean 1970-2008 - its use in uncovering the Arctic Ocean circulation variability - ,

Symposium on Isotopes in Hydrology, Marine Ecosystems, and Climate Change Studies, Oceanographic Museum of Monaco .

hdl:10013/epic.39115

Conference -Talk

Sumata, H.

, Kauker, F. , Gerdes, R. , Köberle, C. and Karcher, M.

(2011)
Effects of ice-displacement data on the assimilated field of the Arctic Ocean ,

1st REKLIM workshop, Bremerhaven, Germany, 29 March 2011 - 30 March 2011 .

hdl:10013/epic.1b06b68f-6edb-4fd4-864b-26a8e554f880

Conference -Poster

Cherkasheva, A. , Bracher, A.

, Melsheimer, C. , Köberle, C. , Gerdes, R. , Nöthig, E. M.

, Bauerfeind, E. and Boetius, A.

(2011)
Influence of surface water stratification on phytoplankton blooms in the Arctic: a case study at Fram Strait ,

ICES/NAFO Symposium on the Variability of the North Atlantic and its Marine Ecosystems during 2000-2009. 10-12 May 2011, Santander, Spain. .

hdl:10013/epic.37650

Preview

Conference -Talk

Krumpen, T.

, Hendricks, S.

, Nicolaus, M.

, Haas, C.

and Gerdes, R. (2011)
SMOS Sea Ice Product: Validation of Ice Thickness ,

SMOSIce Meeting, Feb. 11 .

hdl:10013/epic.37104

Conference -Talk

Schwegmann, S. , Timmermann, R. , Haas, C. , Gerdes, R. and Lemke, P.

(2010)
The importance of large scale sea ice drift and ice type distribution on ice extent in the Weddell Sea ,

IGS International Symposium on Sea Ice in the Physical and Biogeochemical System, Tromsø, Norway, 31 May 2010 - 4 June 2010 .

hdl:10013/epic.43791

Preview

Conference -Invited talk

Dethloff, K. , Handorf, D.

, Rinke, A.

, Dorn, W.

, Brand, S. , Jaiser, R.

and Gerdes, R. (2010)
Arctic feedbacks and atmospheric teleconnection patterns ,

2010 State of the Arctic conference: At the forefront of global change, 16-19 March 2010, Miami, FL, US. .

hdl:10013/epic.34559

Conference -Invited talk

Gerdes, R. , Köberle, C. and Kauker, F. (2010)
Arctic se aice volume changes and its consequences ,

EGU General Assembly 2010, Vienna, Geophysical Abstracts, Vol.12, EGU .

hdl:10013/epic.35250

Conference -Talk

Dorn, W.

, Dethloff, K. , Rinke, A.

, Gerdes, R. and Handorf, D.

(2010)
Arctic sea-ice development 1948-2008: Insights from coupled regional climate model simulations ,

AWI/IUP Blockseminar: Polar Processes II, 13. Juli 2010, Bremerhaven, Germany. .

hdl:10013/epic.35770

Conference -Poster

Krumpen, T.

, Willmes, S. , Morales Maqueda, M. A. , Gerdes, R. , Haas, C.

, Hölemann, J.

and Schröder, D. (2010)
Evaluation of a polynya flux model by means of thermal infrared satellite estimates ,

IGS Sea Ice Symposium 2010, Tromsoe. .

hdl:10013/epic.37106

Conference -Talk

Krumpen, T.

, Busche, T. , Gerdes, R. , Morales Maqueda, M. A. and Willmes, S. (2010)
Investigation of ice formation and water mass modiﬁcation in eastern Laptev Sea polynya by means of satellites and models ,

IGARSS Conference, July 2011, Hawaii. .

hdl:10013/epic.37107

Conference -Invited talk

Gerdes, R. (2010)
Meeresspiegelanstieg: Prognosen und Szenarien ,

Küstenwandel als kulturelle und soziale Herausforderung, Erlebniszentrum Naturgewalten, List. .

hdl:10013/epic.34271

Conference -Invited talk

Gerdes, R. (2010)
Recent and future changes in Arctic sea ice - Impacts on atmospheric and oceanic circulations ,

Kolloquium Umweltphysik, Universität Bremen.1.2010. .

hdl:10013/epic.34041

Conference -Invited talk

Gerdes, R. (2010)
Schnelle Veränderungen im arktischen Meereis und die Auswirkungen auf Ozean und Atmosphäre ,

Wissenschaftliche Arbeitsgemeinschaft für Natur- und Umweltschutz, Jever.3.2010. .

hdl:10013/epic.34460

Conference -Invited talk

Kauker, F. , Gerdes, R. and Karcher, M.

(2010)
Seasonal Predictability of Sea Ice Minimum Extent - Lessons from the Sea Ice Outlook 2008/9 ,

Sea Ice Outlook Meeting, Miami, Fl, USAMarch 2010 (via telephone). .

hdl:10013/epic.34844

Conference -Talk

Dorn, W.

, Dethloff, K. , Rinke, A.

, Gerdes, R. and Handorf, D.

(2010)
Simulation der arktischen Meereisentwicklung von 1948 bis 2008 mit einem gekoppelten regionalen Klimamodell ,

DACH Meteorologen-Tagung, 20.-24. September 2010, Bonn, Germany. .

hdl:10013/epic.35771

Conference -Invited talk

Gerdes, R. (2010)
Zukünftige Eisbedeckung im Nordpolarmeer und Auswirkungen auf die nördlichen Seewege ,

Marineamt, Abt. Weiterentwicklung und Ausbildung, Bremerhaven.3.2010. .

hdl:10013/epic.34508

Conference -Talk

Rabe, B.

, Karcher, M.

, Schauer, U. , Krishfield, R. A. , Toole, J. M. , Pisarev, S. , Gerdes, R. , Kauker, F. and Kikuchi, T. (2010)
An assessment of pan-Arctic Ocean freshwater content changes from the 1990s to the IPY period ,

Eos Trans. AGU, 91(26), Ocean Sci. Meet. Suppl., Abstract PO51A-05. .

hdl:10013/epic.36743

Conference -Poster

Schwegmann, S. , Haas, C. , Timmermann, R. , Gerdes, R. and Lemke, P.

(2009)
The importance of large scale sea ice drift and ice type distribution on ice extent in the Weddell Sea ,

American Geophysical Union, Fall Meeting, San Francisco, California, US, 14 December 2009 - 18 December 2009 .

hdl:10013/epic.43793

Preview

Conference -Poster

Schwegmann, S. , Haas, C. , Timmermann, R. , Gerdes, R. and Lemke, P.

(2009)
Decadal Variability of Sea Ice Drift in the Weddell Sea for the Period from 1979 to 2006 ,

EGU General Assembly, Vienna, Austria, 19 April 2009 - 24 April 2009 .

hdl:10013/epic.43794

Preview

Conference -Invited talk

Kauker, F. , Gerdes, R. and Karcher, M.

(2009)
AWI/OASys contribution to the S4D sea-ice outlook 2008 ,

Worshop on "Barents Sea seasonal forecasting", organized by the Shtokman Developement AG, Norwegian Meteorological Institute, Oslo, NorwayApril 2009. .

hdl:10013/epic.32766

Conference -Invited talk

Kauker, F. , Kaminski, T. , Karcher, M.

, Gerdes, R. , Giering, R. and Vossbeck, M. (2009)
Adjoint data assimilation technique and optimal network design ,

Arctic Observing Network (AON) Design and Implementation (ADI) Workshop, Boulder, Colorado, USA, December 2nd to 4th 2009. .

hdl:10013/epic.34056

Conference -Invited talk

Kauker, F. , Gerdes, R. and Karcher, M.

(2009)
Alfred Wegener Institute / OASys's SIO Contribution 2008: Setup / Initialization of the Ensemble Approach, Analysis of the Results, Plans for 2009 ,

March 2009 Sea Ice Outlook Workshop, National Snow and Ice Data Center (NSIDC), Boulder, Colorado, March 10th to 11th .

hdl:10013/epic.34051

Conference -Talk

Dethloff, K. , Rinke, A.

, Dorn, W.

, Gerdes, R. , Läuter, M. and Handorf, D.

(2009)
Arctic atmosphere-ocean-sea ice-land system modelling at AWI ,

Arctic System Model Workshop MontrealJuly 2009. .

hdl:10013/epic.33346

Conference -Invited talk

Gerdes, R. (2009)
Der extreme Eisrueckgang 2007 und 2008 - Anfang vom Ende des arktischen Meereises ,

Extremwetterkongreß, Bremerhaven. .

hdl:10013/epic.31960

Conference -Invited talk

Gerdes, R. (2009)
Der extreme Rückgang des Eises 2007 und 2008 - Der Anfang vom Ende des arktischen Meereises? ,

Wissen um 11, Haus der Wissenschaft, Bremen.7.2009. .

hdl:10013/epic.33926

Conference -Invited talk

Gerdes, R. (2009)
Der jüngste Rückgang des arktischen Meereises im Zusammenhang der Mereisentwicklung der letzten und der kommenden 100 Jahre ,

Insitut für Theoretische Physik, Universität Dortmund, Dortmund. .

hdl:10013/epic.31959

Conference -Talk

Gerdes, R. and Köberle, C. (2009)
Developments in the North Atlantic/Arctic Ocean Fresh Water Balance in CMIP3 Model Results for the 21st Century ,

MOCA conference, Montreal, Canada, July 24 .

hdl:10013/epic.33927

Conference -Invited talk

Rinke, A.

, Dethloff, K. , Gerdes, R. and Dorn, W.

(2009)
Die arktische Atmosphäre und Meereis: Das komplexe Zusammenspiel ,

Konferenz "Klima im System Erde", 2./3.11., Berlin. .

hdl:10013/epic.37363

Conference -Talk

Gerdes, R. and Köberle, C. (2009)
Future changes in the Arctic Ocean fresh water balance ,

EGU General Assembly, EGU2009-3668, Vienna, Austria, April 22 .

hdl:10013/epic.33924

Conference -Conference paper

Gerdes, R. (2009)
Impact of sea ice ,

ECMWF Workshop on Ocean-Atmosphere InteractionsNovember 2008 .

hdl:10013/epic.32380

Conference -Invited talk

Gerdes, R. (2009)
Klimawandel in der Arktis ,

Expertentagung Kampf um die Arktis, Hanns-Seidl-Stiftung, Bildungszentrum Wildbad Kreuth.12.2009. .

hdl:10013/epic.33930

Conference -Talk

Gerdes, R. , Kauker, F. and Köberle, C. (2009)
Long term perspective on Arctic sea ice from AOMIP hindcasts and coupled climate models ,

AOMIP workshop, WHOI, Woods Hole, USA. .

hdl:10013/epic.31958

Conference -Invited talk

Karcher, M.

, Gerdes, R. , Kauker, F. and Smith, J. N. (2009)
Modelling of marine tracers in the Arctic Ocean ,

AWI-IUP seminar on "Tracers in the Climate System", Bremerhaven. July 2009. .

hdl:10013/epic.34057

Conference -Conference paper

Griffies, S. M. , Adcroft, A. J. , Banks, H. , Böning, C. , Chassignet, E. P. , Danabasoglu, G. , Danilov, S.

, Deleersnijder, E. , Drange, H. , England, M. , Fox-Kemper, B. , Gerdes, R. , Gnanadesikan, A. , Greatbatch, R. J. , Hallberg, R. W. , Hanert, E. , Harrison, M. J. , Legg, S. , Little, C. M. , Madec, G. , Marsland, S. J. , Nikurashin, M. , Pirani, A. , Simmons, H. L. , Schröter, J.

, Samuels, B. L. , Treguier, A. M. , Toggweiler, J. R. , Tsujino, H. , Valllis, G. K. and White, L. (2009)
Problems and Prospects in Large-Scale Ocean Circulation Models ,

Community White Paper for OceanObs09 .

hdl:10013/epic.34039

Conference -Invited talk

Gerdes, R. (2009)
Recent Arctic Ocean changes captured by ocean-sea ice models of the Arctic Ocean Model Intercomparison Project ,

AWI-AARI workshop, Potsdam.2.2009. .

hdl:10013/epic.33923

Conference -Invited talk

Gerdes, R. (2009)
Recent and future changes in Arctic sea ice - Impacts on atmospheric and oceanic circulations ,

Kolloquium Universität Bern, Schweiz.10.2009. .

hdl:10013/epic.33928

Conference -Invited talk

Kauker, F. , Gerdes, R. and Karcher, M.

(2009)
Seasonal Predictability of Sea Ice Minimum Extent - Lessons from the Sea Ice Outlook 2008/9 ,

DAMOCLES symposium: The Arctic Climate system; its present status, future evolution and potential impacts, Brussels, Belgium, November 10th to 12th .

hdl:10013/epic.34053

Conference -Invited talk

Gerdes, R. (2009)
Sensitivities of Arctic Sea Ice and Consequences for the Prediction of Sea Ice Properties ,

Northern Sea Route workshop, DNV, Hamburg, Germany, June 6 .

hdl:10013/epic.33925

Conference -Invited talk

Gerdes, R. (2009)
Verschwindet das Meereis in der Arktis? ,

Ausstellungseröffnung Eisbär trifft Goldbär geliebt, benutzt, Klimaopfer, Natureum Unterelbe, Balje.11.2009. .

hdl:10013/epic.33929

Conference -Talk

Köberle, C. , Gerdes, R. and Hacker, F. (2009)
The development of Atlantic Water heat content on its way through the Arctic Ocean ,

European Geophysical Union, General Assembly 2009, Vienna, Austria. .

hdl:10013/epic.32846

Conference -Talk

Krumpen, T.

, Busche, T. , Gerdes, R. , Haas, C.

, Hendricks, S.

, Hoelemann, A. J. , Klagge, T. , Morales Maqueda, M. A. , Rabenstein, L. , Rozman, P. , Schroeder, D. and Willmes, S. (2009)
The use of SAR products for expedition planning and polynya model validation ,

MOCA-09, July 2009, Montreal, Canada. .

hdl:10013/epic.37108

Conference -Talk

Kauker, F. , Kaminski, T. , Karcher, M.

, Giering, R. , Gerdes, R. and Vossbeck, M. (2008)
Adjoint analysis of the summer 2007 low in Arctic sea ice area ,

EGU General Assembly, Vienna, Austria, EGU2008-A-09303. .

hdl:10013/epic.31968

Conference -Talk

Köberle, C. , Gerdes, R. and Hacker, F. (2008)
Analysis of 2007 sea ice conditions in a model simulation ,

EGU General Assembly, Vienna, Austria, EGU2008-A-04699. .

hdl:10013/epic.31967

Conference -Talk

Karcher, M.

, Beszczynska, A. , Gerdes, R. , Kauker, F. and Heyen, S. (2008)
Arctic Ocean warming and its overflow reduction potential ,

EGU General Assembly, Vienna, Austria, EGU2008-A-09919. .

hdl:10013/epic.31969

Conference -Invited talk

Gerdes, R. (2008)
Changing ice conditions and the future of Arctic sea ice ,

DetNorske Veritas, Oslo, Norway. .

hdl:10013/epic.31956

Conference -Invited talk

Gerdes, R. , Köberle, C. , Hacker, F. , Karcher, M.

and Kauker, F. (2008)
Comparison of Arctic sea ice variability in IPCC climate experiments and in ocean-sea ice models ,

EGU General Assembly, EGU2008-A-02862; OS8-1FR4O-004;. .

hdl:10013/epic.30462

Conference -Invited talk

Gerdes, R. (2008)
Impact of sea ice ,

ECMWF workshop on ocean-atmosphere interactions, Reading, UK. .

hdl:10013/epic.31955

Conference -Invited talk

Karcher, M.

, Gerdes, R. , Kauker, F. and Köberle, C. (2008)
NAOSIM NSEs (Northern Sea Exchanges) ,

Nordic Seas Exchange workshop, NERSC, Bergen, Norway. .

hdl:10013/epic.34058

Conference -Invited talk

Gerdes, R. (2008)
Rückgang des Arktischen Meereises was bedeutet die Anomalie des Sommers 2007 für die zukünftige Entwicklung ,

ZMAW, Universität Hamburg, Hamburg. .

hdl:10013/epic.31957

Conference -Invited talk

Kauker, F. , Kaminski, T. , Karcher, M.

, Giering, R. , Gerdes, R. and Vossbeck, M. (2008)
Variational assimilation and adjoint sensitivities of the North Atlantic/Arctic Ocean Sea Ice Model (NAOSIM) ,

DAMOCLES WP5 workshop, February 11th to 12th, Hotel Orkin, Reykjavik, Iceland. .

hdl:10013/epic.30073

Conference -Invited talk

Gerdes, R. and Hendricks, S.

(2008)
Wie lange müssen wir noch warten, bis das arktische Meereis verschwindet? ,

Official opening ceremony Klimabüro für Polargebiete und Meeresspiegelanstieg, Alfred Wegener Institute, Bremerhaven. .

hdl:10013/epic.31954

Conference -Talk

Gerdes, R. , Köberle, C. , Kauker, F. and Bagniewski, W. (2007)
20th century Arctic sea ice volume variability in coupled climate models and ocean-sea ice hindcasts ,

CMOS-CGU-AMS joint congress, St. John's, Canada. .

hdl:10013/epic.27777

Conference -Invited talk

Gerdes, R. (2007)
Arctic Ocean Model Intercomparison Project (AOMIP) ,

Southern Ocean Physical Oceanography and Cryosphere Linkages (SOPHOCLES) meeting, Bergen, Norway. .

hdl:10013/epic.29970

Conference -Invited talk

Karcher, M.

, Kauker, F. and Gerdes, R. (2007)
The Arctic ocean in the 20th century - first results from an AOMIP experiment driven with 100 years of reconstructed forcing fields (keynote) ,

Joint AOMIP/(C)ARCMIP/SEARCH for DAMCOLES (S4D) workshop, October 29th to 31th, 2007. University Pierre et Marie Curie and the Muséum Nationale d'Histoire Naturelle, Paris, France. .

hdl:10013/epic.28521

Conference -Invited talk

Gerdes, R. and Köberle, C. (2007)
Arctic sea ice thickness variability over the 20th century in coupled climate models and ocean-sea ice hindcasts ,

Geophysical Research Abstracts, 9SRef-ID: 1607-7962/gra/EGU2007-A-05023. .

hdl:10013/epic.27050

Conference -Invited talk

Gerdes, R. (2007)
Changes in the Arctic Ocean 1900 2100. Results of NAOSIM simulations ,

Kolloquium, Institut für Ostseeforschung, Warnemünde. .

hdl:10013/epic.27779

Conference -Invited talk

Gerdes, R. (2007)
Experience with EBMs and ice ocean modelling ,

Southern Ocean Physical Oceanography and Cryosphere Linkages (SOPHOCLES) meeting, Bergen, Norway. .

hdl:10013/epic.27770

Conference -Talk

Dorn, W.

, Dethloff, K. , Gerdes, R. , Rinke, A.

, Karcher, M.

and Kauker, F. (2007)
Gekoppelte Simulationen des arktischen Klimasystems: Sensitive und unsichere Prozessbeschreibungen ,

DACH Meteorologen-Tagung, 10.-14. September 2007, Hamburg, Germany. .

hdl:10013/epic.27729

Conference -Invited talk

Gerdes, R. (2007)
Long term changes of Arctic Ocean fresh water reservoirs in ocean-sea ice hindcasts and climate model scenario calculations ,

S4D workshop Paris, October 29th to 31th .

hdl:10013/epic.28486

Conference -Talk

Köberle, C. and Gerdes, R. (2007)
Sea ice budget evaluation in 21th century model simulations ,

EGU General Assembly, Vienna, Austria, EGU2007-A-05027. .

hdl:10013/epic.31966

Conference -Poster

Dorn, W.

, Dethloff, K. , Rinke, A.

and Gerdes, R. (2007)
Sensitivities and uncertainties in the simulation of Arctic sea ice with a coupled regional atmosphere-ocean-ice model ,

EGU General Assembly 2007, 1520 April 2007, Vienna, Austria. .

hdl:10013/epic.26600

Conference -Talk

Dorn, W.

, Dethloff, K. , Rinke, A.

, Frickenhaus, S.

, Gerdes, R. , Karcher, M.

, Kauker, F. and Olbers, D.

(2007)
Sensitivitätsstudien mit einem gekoppelten regionalen Klimamodell der Arktis zur Identifizierung der grundlegenden Prozesse für eine realistische Simulation des arktischen Meereises ,

Begutachtungsworkshop des BremHLR, 11. Dezember 2007, Bremen, Germany. .

hdl:10013/epic.28732

Conference -Invited talk

Gerdes, R. (2007)
Should we really resolve eddies in the ocean component of coupled climate models? ,

Workshop on Numerical Methods in Ocean Models, Bergen, Norway. .

hdl:10013/epic.27771

Conference -Talk

Gerdes, R. , Köberle, C. and Kauker, F. (2007)
Suesswasserbilanz und -transporte zwischen Nordpolarmeer und subpolarem Nordatlantik ,

Meteorologentagung DACH 2007, Hamburg. .

hdl:10013/epic.27773

Conference -Invited talk

Böning, C. and Gerdes, R. (2007)
Surface forcing of ocean models ,

Workshop on Numerical Methods in Ocean Models, Bergen, Norway. .

hdl:10013/epic.27772

Conference -Talk

Dorn, W.

, Dethloff, K. , Rinke, A.

, Gerdes, R. , Karcher, M.

, Kauker, F. and Frickenhaus, S.

(2007)
Uncertain descriptions of Arctic climate processes in coupled models and their impact on the simulation of Arctic sea ice ,

SEARCH for DAMOCLES workshop, 29-31 October 2007, Paris, France. .

hdl:10013/epic.28730

Conference -Talk

Köberle, C. and Gerdes, R. (2007)
The future state of the Arctic sea ice budget ,

CMOS-CGU-AMS joint congress, St.John's, Canada. .

hdl:10013/epic.27778

Conference -Invited talk

Gerdes, R. (2007)
The oceanic fresh water budget in the Nordic Seas and the Arctic Ocean. What do we know today? ,

FreshNor workshop, 18.-19.10.2007, Norrkoeping, Schweden. .

hdl:10013/epic.28190

Conference -Invited talk

Gerdes, R. (2006)
100 years of simulated history of Arctic fresh water reservoirs ,

Woods Hole Oceanographic Institution, WHOI seminar, Woods Hole, USA. .

hdl:10013/epic.31953

Conference -Talk

Martin, T. , Haas, C.

and Gerdes, R. (2006)
Arctic sea ice drift and deformation in models and observations ,

Seminar, Department of Meteorology at Stockholm University (MISU), Stockholm, SwedenJune 2006. .

hdl:10013/epic.26447

Conference -Talk

Köberle, C. and Gerdes, R. (2006)
Arctic sea ice variability in IPCC climate of the 20th century experiments in comparison to ocean-sea ice hindcasts ,

EGU General Assembly, Vienna, Austria, EGU06-A-09293. .

hdl:10013/epic.31964

Conference -Invited talk

Karcher, M.

, Gerdes, R. and Kauker, F. (2006)
Atlantic Water in the Arctic Ocean: Circulation, Variability, Signal Propagation - Results from Modeling and Observations in the Context of AOMIP ,

Ocean Science Meeting, AGU, 20.-24. February 2006, Honululu, Hawaii, U.S.A. .

hdl:10013/epic.24072

Conference -Invited talk

Gerdes, R. (2006)
Is the global oceanic overturning motion threatened by Arctic fresh water outflow? ,

International University Bremen. .

hdl:10013/epic.31952

Conference -Invited talk

Gerdes, R. (2006)
Sensitivity of the transport of the Antarctic Circumpolar Current in models of the large scale oceanic circulation ,

Australian National University, Canberra, Australia. .

hdl:10013/epic.31951

Conference -Invited talk

Gerdes, R. (2006)
Süßwasserbilanz des Nordpolarmeers ,

SFB Seminar, IfM-GEOMAR, Kiel. .

hdl:10013/epic.31950

Conference -Talk

Gerdes, R. and Köberle, C. (2006)
Variability of the Arctic Ocean fresh water balance over the last 50 years ,

EGU General Assembly, Vienna, Austria, EGU06-A-08375. .

hdl:10013/epic.31965

Conference -Talk

Martin, T. and Gerdes, R. (2006)
The variety of sea ice drift and transport estimates from models and observations ,

European Geosciences Union, General Assembly 2006, 2-7 April, Vienna, Austria. .

hdl:10013/epic.25416

Conference -Conference paper

Dethloff, K. , Rinke, A.

, Morrison, H. , Dorn, W.

, Gerdes, R. , Maslovski, W. , Kattsov, V. , Lange, M. A. , Görgen, K. and Lynch, A. (2005)
Global impacts of Arctic climate processes ,

EOS transactions,86, 49December 2005 .

hdl:10013/epic.27955

Conference -Talk

Köberle, C. and Gerdes, R. (2005)
Ice and liquid fresh water balance of the Arctic Ocean and adjacent seas ,

IABO and IAPSO Dynamic Planet 2005 Joint Assembly, Cairns, Australia. .

hdl:10013/epic.31963

Conference -Invited talk

Gerdes, R. (2005)
Influence of horizontal resolution on Arctic Ocean model results ,

Arctic Climate Workshop, Alfred Wegener Insitute, Potsdam. .

hdl:10013/epic.31948

Conference -Talk

Köberle, C. and Gerdes, R. (2005)
Mechanisms determining Arctic fresh water export variability ,

EGU General Assembly, 2005, Vienna, Austria, EGU05-A-08565. .

hdl:10013/epic.31962

Conference -Talk

Fieg, K. , Gerdes, R. and Fahrbach, E. (2005)
Modeling Heatflux and freshwater transport through Fram Strait ,

EGU General Assembly, 24-29 Apr, Vienna, Austria .

hdl:10013/epic.24655

Conference -Talk

Dorn, W.

, Dethloff, K. , Rinke, A.

, Gerdes, R. , Karcher, M.

, Kauker, F. and Frickenhaus, S.

(2005)
Requirements for a coupled regional atmosphere-ocean-ice model to reproduce the Arctic sea-ice anomaly during summer 1998 realistically ,

EGU General Assembly, 24.-29. April 2005, Vienna, Austria. .

hdl:10013/epic.23059

Conference -Talk

Dorn, W.

, Dethloff, K. , Rinke, A.

, Frickenhaus, S.

, Gerdes, R. , Karcher, M.

and Kauker, F. (2005)
Sea-ice simulations with AWI's coupled regional A-O-I model HIRHAM-NAOSIM ,

Arctic Climate Workshop, 5-7 September 2005, Potsdam, Germany. .

hdl:10013/epic.24179

Conference -Invited talk

Gerdes, R. (2005)
Sensitivity of the ACC in IPCC and CORE simulations ,

Working Group of Ocean Model Development workshop, Hobart, Australia. .

hdl:10013/epic.31949

Conference -Invited talk

Beszczynska-Möller, A. , Fahrbach, E. , Gerdes, R. , Karcher, M.

, Kauker, F. , Orvik, K. A. , Schauer, U. and Skagseth, O. (2005)
Warm Anomalies and Heat Flux Variability in Fram Strait in 1997-2004: A Comparison between Observations and Model Results ,

European Geophysical Union, General Assembly, Vienna, AustriaApril 2005. .

hdl:10013/epic.23362

Conference -Invited talk

Gerdes, R. (2004)
Aspects of the oceanic response to climate change ,

Lamont-Doherty, Palisades, USA. .

hdl:10013/epic.31944

Conference -Invited talk

Gerdes, R. (2004)
Aspects of the oceanic response to climate change ,

SMHI, Rossby Center, Norrköpping, Sweden. .

hdl:10013/epic.31946

Conference -Invited talk

Gerdes, R. (2004)
Aspects of the oceanic response to climate change ,

Geophysical Institute, University Bergen, Norway. .

hdl:10013/epic.31947

Conference -Invited talk

Dethloff, K. , Rinke, A.

, Handorf, D.

, Dorn, W.

, Saha, S. and Gerdes, R. (2004)
Atmospheric measurements as a prerequisite for modeling the Arctic climate system ,

Arctic Observation Based on Ice-Tethered Platforms, NSF Workshop 23-25 June, 2004, Woodshole, US. .

hdl:10013/epic.20979

Conference -Talk

Gerdes, R. (2004)
Effect of boundary conditions on THC response to fresh water flux anomalies ,

EGU 1st General Assembly, Vienna, Austria, EGU04-A-02334. .

hdl:10013/epic.31961

Conference -Talk

Dorn, W.

, Frickenhaus, S.

, Rinke, A.

, Dethloff, K. and Gerdes, R. (2004)
Entwicklung und Sensitivität eines hochauflösenden gekoppelten regionalen Atmosphäre-Ozean-Meereis-Modells der Arktis ,

DACH Meteorologentagung, 7.-10. September 2004, Karlsruhe, Germany. .

hdl:10013/epic.23061

Conference -Invited talk

Karcher, M.

, Dickson, R. R. , Gerdes, R. , Kauker, F. and Köberle, C. (2004)
Feeding the overflows evolution and propagation of decadal anomalies from observations and modelling ,

European Geosciences Union - 1st General Assembly, 25.-30.April 2004, Nice, France. .

hdl:10013/epic.20661

Conference -Invited talk

Dethloff, K. , Rinke, A.

, Dorn, W.

, Saha, S. and Gerdes, R. (2004)
High resolution modeling of the Arctic with regional climate models ,

Invited keynote speaker at the WCRP workshop on regional climate modeling, 29. March-2. April 2004, Lund, Sweden. .

hdl:10013/epic.20739

Conference -Conference paper

Dethloff, K. , Rinke, A.

, Dorn, W.

, Saha, S. and Gerdes, R. (2004)
High resolution modeling of the Arctic with regional climate models ,

Lund eRep. Phys. geogr., No. 5, July 2005 .

hdl:10013/epic.27952

Conference -Invited talk

Gerdes, R. (2004)
Reaction of the oceanic circulation to increased melt water flux from Greenland as an OMIP testcase? ,

WCRP/CLIVAR workshop, Evaluating the ocean component of IPCC-class climate models, Geophysical Fluid Dynamics Laboratory, Princeton, USA. .

hdl:10013/epic.31945

Conference -Invited talk

Prange, M. and Gerdes, R. (2004)
The role of surface freshwater flux boundary conditions in prognostic Arctic ocean-sea ice models ,

EGU 1st General Assembly, Vienna, Austria, EGU04-A-03911. .

hdl:10013/epic.32090

Conference -Invited talk

Prange, M. and Gerdes, R. (2004)
The role of surface freshwater flux boundary conditions in prognostic Arctic ocean-sea ice models ,

EGU 1st General Assembly, Vienna, Austria, EGU04-A-03911. .

hdl:10013/epic.32091

Conference -Invited talk

Gerdes, R. (2003)
Arctic Atlantic exchanges, Part I: Decadal variability ,

Yokohama Institute for Earth Sciences and Earth Simulator, Yokohama, Japan. .

hdl:10013/epic.31942

Conference -Invited talk

Gerdes, R. (2003)
Changes and consequences of Atlantic - Arctic Ocean exchanges over the last 50 years ,

International Arctic Research Center, Fairbanks, USA. .

hdl:10013/epic.31943

Conference -Talk

Hurka, J. , Gerdes, R. , Karcher, M.

, Kauker, F. and Köberle, C. (2003)
Deep convection in the Greenland and Labrador seas: Analysis of model results ,

EGS-AGU-EUG Joint Assembly, Nice, 8.4.2003, EAE03-A-04121. .

hdl:10013/epic.30284

Conference -Conference paper

Gerdes, R. , Hurka, J. and Karcher, M.

(2003)
Greenland and Labrador Sea convection in an ocean sea ice simulation 1948-2002 ,

Seventh Conference on Polar Meteorology and Oceanography and Joint Symposium on High-Latitude Climate Variations, extended abstract (CD-ROM) 12-16 May 2003, Hyannis, USA. .

hdl:10013/epic.18828

Conference -Talk

Wehde, H. , Backhaus, J. O. , Gerdes, R. , Karcher, M.

and Kauker, M. (2003)
High resolution simulations of oceanic convection within the Greenland Sea ,

EGS-AGU-EUg Joint Assembly, Nice, 8.4.2003, EAE03-A-07312. .

hdl:10013/epic.30283

Conference -Poster

Ivchenko, V. , Gerdes, R. , Haas, C.

, Karcher, M.

, Kauker, F. and Köberle, C. (2003)
Ice transport through Fram Strait: analysis of backward trajectories ,

EGS-AGU-EUG Joint Assembly, Nice, 10.4.2003, EAE03-A-08865. .

hdl:10013/epic.30290

Conference -Invited talk

Gerdes, R. , Brauch, J. , Hurka, J. , Karcher, M.

, Kauker, F. and Köberle, C. (2003)
Long term variability of Arctic-Atlantic exchanges ,

EGS-AGU-EUG Joint Assembly, Nice, 11.4.2003, EAE03-A-02966. .

hdl:10013/epic.30286

Conference -Talk

Köberle, C. , Gerdes, R. and Kauker, F. (2003)
Modelled Arctic/North Atlantic ice and ocean variability 1900-1997 ,

EGS-AGU-EUG Joint Assembly, Nice, 8.4.2003, EAE03-A-12723. .

hdl:10013/epic.30285

Conference -Poster

Goose, H. , Gerdes, R. , Kauker, F. and Köberle, C. (2003)
On the causes of sea ice volume variations during the period 1955-1997 ,

EGU-AGU-EUG Joint Assembly, Nice, 9.4.2003, EAE .

hdl:10013/epic.30288

Conference -Poster

Brauch, J. and Gerdes, R. (2003)
Recurring anomaly of the thermohaline circulation ,

EGS-AGU-EUG Joint Assembly, Nice, 8.4.2003, EAE .

hdl:10013/epic.30287

Conference -Conference paper

Karcher, M.

, Gerdes, R. , Kauker, F. , Köberle, C. and Schauer, U. (2003)
Transformation of Atlantic Water in the Barents Sea between 1948 and 2002 ,

Seventh Conference on Polar Meteorology and Oceanography and Joint Symposium on High-Latitude Climate Variations, Extended Abstract (CD-ROM) 12-16 May 2003, Hyannis, U.S.A. .

hdl:10013/epic.18826

Preview

Conference -Invited talk

Gerdes, R. (2003)
Variability of convection in the Greenland and Labrador seas 1948-2001 ,

Nansen Environmental and Remote Sensing Center, Bergen Norway. .

hdl:10013/epic.31941

Conference -Poster

Kauker, F. , Gerdes, R. , Karcher, M.

, Köberle, C. and Lieser, J. (2003)
Variabilitz of Arctic and North Atlantic sea ice: A combined analysis of model results and observations from 1978 to 2001 ,

EGS-AGU-EUG Joint Assembly, Nice, 10.4.2003, EAE .

hdl:10013/epic.30289

Conference -Invited talk

Karcher, M.

, Gerdes, R. , Kauker, F. and Köberle, C. (2001)
Arctic Warming - evolution and spreading of the 1990s warm event in the Nordic Seas and the Arctic Ocean ,

EGS XXVI General Assembly, Nice, France.-30. March. .

hdl:10013/epic.16941

Conference -Conference paper

Gerdes, R. and Köberle, C. (2000)
Arctic sea ice volume variability from a hindcast simulation ,

Summary report of an ACSYS meeting on data and data management in support of sea-ice/ocean modelling. WCRP Informal Report .

hdl:10013/epic.14535

Conference -Conference paper

Gerdes, R. (2000)
Evidence for MOC slowdown linked to Fram Strait ice flux in the VEINS model ,

Science Plan for ASOF - the Arctic-Subarctic Ocean Flux Array (ed. Bob Dickson) .

hdl:10013/epic.14536

Conference -Conference paper

Prange, M. and Gerdes, R. (1999)
Influence of Arctic river runoff on the circulation in the Arctic Ocean ,

ICES ASC Council Meeting 1999,L/11 .

hdl:10013/epic.13048

Conference -Conference paper

Köberle, C. , Gerdes, R. and Kauker, F. (1999)
Mechanisms determining Fram Strait ice export variability ,

ICES ASC 1999 - CM 1999/L:25 .

hdl:10013/epic.14528

Conference -Conference paper

Kauker, F. , Gerdes, R. and Köberle, C. (1999)
Propagation of temperature and salinity anomalies in the Nordic Seas derived from a multi-decadal OGCM simulation ,

ICES ASC Council Meeting 1999,L/25 .

hdl:10013/epic.12221

Preview

Conference -Conference paper

Brauch, J. , Gerdes, R. , Karcher, M.

, Kauker, F. and Köberle, C. (1999)
Response experiments with NAO related forcing ,

ICES Council Meeting,L/28 .

hdl:10013/epic.11032

Preview

Conference -Conference paper

Karcher, M.

, Brauch, J. , Fritzsch, B. , Gerdes, R. , Kauker, F. , Köberle, C. and Prange, M. (1999)
Variability in the Nordic Seas exchange - model results 1979-1993 ,

ICES Council Meeting 1999,L/18 .

hdl:10013/epic.12168

Conference -Conference paper

Gerdes, R. (1996)
Atlantic-Arctic exchange in a large scale ocean circulation model ,

Proceedings of the ACSYS conference on the Dynamics of the Arctic Climate System, Goeteborg, Sweden .

hdl:10013/epic.14524

Conference -Conference paper

Lohmann, G.

, Gerdes, R. and Chen, D. (1996)
Feedback mechanisms affecting the thermohaline circulation ,

Proceedings of the ACSYS conference on the Dynamics of the Arctic Climate System, Goeteborg, Sweden .

hdl:10013/epic.14526

Conference -Conference paper

Gerdes, R. (1994)
Atlantic-Artic exchange in a large scale ocean circulation model ,

Proc WRCP Conference on the Dynamics of the Arctic Climate System, Gothenburg, Sweden .

hdl:10013/epic.11500

Conference -Conference paper

Lohmann, G.

, Gerdes, R. and Chen, D. (1994)
Feedback mechanisms affecting the thermohaline circulation ,

Proc WRCP Conf on the Dynamics of the Arctic Climate System, Gothenburg, Sweden .

hdl:10013/epic.12576

Miscellaneous

Hendricks, S.

, Haas, C. , Gerland, S. , Herber, A. , Krumpen, T.

, Mahoney, A. , Eicken, H. and Gerdes, R. (2016)
A Pan-Arctic Airborne Sea Ice Observation System ,

[Miscellaneous]

hdl:10013/epic.48204

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Miscellaneous

Krumpen, T.

, Gerdes, R. and Herber, A. (2011)
TIFAX 2011 Summer Campaign - Sea ice thickness measurements with Polar 5 from Station Nord and Svalbard ,

[Miscellaneous]

hdl:10013/epic.2165dad3-b55c-48c1-9c6d-ca9969391809

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Miscellaneous

Krumpen, T.

, Gerdes, R. and Herber, A. (2010)
TIFAX 2010 Summer Campaign - Sea ice thickness measurements with Polar 5 from Station Nord and Svalbard ,

[Miscellaneous]

hdl:10013/epic.60db78d6-a091-4061-9022-caa96cae57ef

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"Polarforschung"

Grosfeld, K.

, Treffeisen, R. , Asseng, J. , Bartsch, A. , Bräuer, B. , Fritzsch, B. , Gerdes, R. , Hendricks, S.

, Hiller, W. , Heygster, G. , Krumpen, T.

, Lemke, P.

, Melsheimer, C. , Nicolaus, M.

, Ricker, R.

and Weigelt, M. (2016)
Online sea-ice knowledge and data platform <www.meereisportal.de> ,

Polarforschung, Bremerhaven, Alfred Wegener Institute for Polar and Marine Research & German Society of Polar Research, 85 (2), pp. 143-155 .

doi:https://doi.org/10.2312/polfor.2016.011 , hdl:10013/epic.48083

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"Polarforschung"

Gerdes, R. and Schauer, U. (2010)
Thin ice on top of a warm ocean the changing Arctic Ocean (Dünnes Eis über warmem Ozean der Arktische Ozean im Wandel) ,

Polarforschung, Bremerhaven, Alfred Wegener Institute for Polar and Marine Research & German Society of Polar Research, 80 (1), pp. 11-16 .

hdl:10013/epic.36445

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"Polarforschung"

Rinke, A.

, Dethloff, K. , Gerdes, R. and Dorn, W.

(2010)
The complex interplay of atmosphere and sea ice in the Arctic (Das komplexe Wechselspiel von Atmosphäre und Meereis in der Arktis) ,

Polarforschung, Bremerhaven, Alfred Wegener Institute for Polar and Marine Research & German Society of Polar Research, 80 (1), pp. 5-9 .

hdl:10013/epic.36444

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