Browse by AWI author ID

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

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

[thumbnail of Cherkasheva_etal_2014.pdf]

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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

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

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

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

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

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

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

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

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

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

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. 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

Beckmann, A. , Böning, C. , Köberle, C. and Willebrand, J. (1994)
Effects of increased horizontal resolution in a simulation of the North Atlantic Ocean ,

Journal of Physical Oceanography, 24 , pp. 326-344 .

hdl:10013/epic.10811

Article

Köberle, C. and Philander, S. G. H. (1994)
On the processes that control seasonal variations of sea surface temperature in the tropical Pacific Ocean ,

TellusA, 46 , pp. 481-496 .

hdl:10013/epic.12326

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

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

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

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

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

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 -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

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 -Poster

Sumata, H.

, Kauker, F.

, Gerdes, D. , Köberle, C. and Karcher, M.

(2012)
Assimilation of ice-ocean system in the Arctic: 2007-2008 ,

REKLIM workshop, Lueneburg, Germany, 19 March 2012 - 21 March 2012 .

hdl:10013/epic.41895

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 -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

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 -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

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 -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

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 -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 -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. 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 -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 -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 -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

Köberle, C. (2007)
Sea ice volume: production, losses and balance ,

Damocles General Assembly, Work package 5 workshop (Rudels). .

hdl:10013/epic.28639

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 -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 -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

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

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

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 -Talk

Köberle, C. (2004)
The simulated variability in the composition of Arctic fresh water ,

EGU 1st General Assembly, Vienna, Austria, EGU04-A-04257. .

hdl:10013/epic.32089

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