Items where Author is "Gerdes, Rüdiger"

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Number of items: 226.

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: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, American Geophysical Union, 39 (2) .

doi: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: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., AGU .

doi: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: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: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: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: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: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: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: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: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: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: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: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: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: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: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: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: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: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: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: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: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: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: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: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: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: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: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: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: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: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: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: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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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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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

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: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 -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

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 -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 -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 -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 -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

"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

Preview

"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

Preview

PANGAEA Documentation

Gerdes, R. and Hartmann, J. (2012)
Metadata of Polar 5 campaigns ,

Bremerhaven, PANGAEA .

hdl:10013/epic.39214

+8 more...

This list was generated on Fri May 24 04:49:03 2013 CEST.