Works by Timmermann, Ralph

Results: 47

Utilizing the ASPeCt sea ice thickness data set to evaluate a global coupled sea ice-ocean model.

Published in:

Journal of Geophysical Research. Oceans, 2004, v. 109, n. C7, p. n/a, doi. 10.1029/2003JC002242

By:

Timmermann, Ralph;
Worby, Anthony;
Goosse, Hugues;
Fichefet, Thierry

Publication type:

Article

A numerical model of the Weddell Sea: Large-scale circulation and water mass distribution.

Published in:

Journal of Geophysical Research. Oceans, 1999, v. 104, n. C10, p. 23375, doi. 10.1029/1999JC900194

By:

Beckmann, Aike;
Hellmer, Hartmut H.;
Timmermann, Ralph

Publication type:

Article

Response to Filchner-Ronne Ice Shelf cavity warming in a coupled ocean-ice sheet model. Part I: The ocean perspective.

Published in:

Ocean Science Discussions, 2017, p. 1, doi. 10.5194/os-2017-41

By:

Timmermann, Ralph;
Goeller, Sebastian

Publication type:

Article

Altered Weddell Sea warm- and dense-water pathways in response to 21st-century climate change.

Published in:

Ocean Science, 2024, v. 20, n. 1, p. 85, doi. 10.5194/os-20-85-2024

By:

Nissen, Cara;
Timmermann, Ralph;
van Caspel, Mathias;
Wekerle, Claudia

Publication type:

Article

Southern Weddell Sea surface freshwater flux modulated by icescape and atmospheric forcing.

Published in:

Ocean Science, 2023, v. 19, n. 6, p. 1791, doi. 10.5194/os-19-1791-2023

By:

Stulic, Lukrecia;
Timmermann, Ralph;
Paul, Stephan;
Zentek, Rolf;
Heinemann, Günther;
Kanzow, Torsten

Publication type:

Article

On the drivers of regime shifts in the Antarctic marginal seas, exemplified by the Weddell Sea.

Published in:

Ocean Science, 2023, v. 19, n. 6, p. 1529, doi. 10.5194/os-19-1529-2023

By:

Haid, Verena;
Timmermann, Ralph;
Gürses, Özgür;
Hellmer, Hartmut H.

Publication type:

Article

Response to Filchner-Ronne Ice Shelf cavity warming in a coupled ocean-ice sheet model - Part 1: The ocean perspective.

Published in:

Ocean Science, 2017, v. 13, n. 5, p. 765, doi. 10.5194/os-13-765-2017

By:

Timmermann, Ralph;
Goeller, Sebastian

Publication type:

Article

Regional conditions determine thresholds of accelerated Antarctic basal melt in climate projection.

Published in:

Nature Climate Change, 2025, v. 15, n. 5, p. 521, doi. 10.1038/s41558-025-02306-0

By:

Song, Pengyang;
Scholz, Patrick;
Knorr, Gregor;
Sidorenko, Dmitry;
Timmermann, Ralph;
Lohmann, Gerrit

Publication type:

Article

Abruptly attenuated carbon sequestration with Weddell Sea dense waters by 2100.

Published in:

Nature Communications, 2022, v. 13, n. 1, p. 1, doi. 10.1038/s41467-022-30671-3

By:

Nissen, Cara;
Timmermann, Ralph;
Hoppema, Mario;
Gürses, Özgür;
Hauck, Judith

Publication type:

Article

Intercomparison of Antarctic ice-shelf, ocean, and sea-ice interactions simulated by MetROMS-iceshelf and FESOM 1.4.

Published in:

Geoscientific Model Development, 2018, v. 11, n. 4, p. 1257, doi. 10.5194/gmd-11-1257-2018

By:

Naughten, Kaitlin A.;
Meissner, Katrin J.;
Galton-Fenzi, Benjamin K.;
England, Matthew H.;
Timmermann, Ralph;
Hellmer, Hartmut H.;
Hattermann, Tore;
Debernard, Jens B.

Publication type:

Article

Altered Weddell Sea warm- and dense-water pathways in response to 21<sup>st</sup>-century climate change.

Published in:

Ocean Science Discussions, 2023, p. 1, doi. 10.5194/egusphere-2023-1352

By:

Nissen, Cara;
Timmermann, Ralph;
van Caspel, Mathias;
Wekerle, Claudia

Publication type:

Article

Southern Weddell Sea surface freshwater flux modulated by icescape and atmospheric forcing.

Published in:

Ocean Science Discussions, 2023, p. 1, doi. 10.5194/egusphere-2023-690

By:

Štulić, Lukrecia;
Timmermann, Ralph;
Paul, Stephan;
Zentek, Rolf;
Heinemann, Günther;
Kanzow, Torsten

Publication type:

Article

On the drivers of regime shifts in the Antarctic marginal seas.

Published in:

Ocean Science Discussions, 2022, p. 1, doi. 10.5194/egusphere-2022-1044

By:

Haid, Verena;
Timmermann, Ralph;
Gürses, Özgür;
Hellmer, Hartmut H.

Publication type:

Article

Evaluation of simulated sea-ice concentrations from sea-ice/ocean models using satellite data and polynya classification methods.

Published in:

Polar Research, 2011, v. 30, n. 1, p. 1, doi. 10.3402/polar.v30i0.7124

By:

Adams, Susanne;
Willmes, Sascha;
Heinemann, Günther;
Rozman, Polona;
Timmermann, Ralph;
Schröder, David

Publication type:

Article

Evaluation of simulated sea-ice concentrations from sea-ice/ ocean models using satellite data and polynya classification methods.

Published in:

Polar Research, 2011, v. 30, n. 1, p. 1, doi. 10.3402/polar.v30i0.7124

By:

Adams, Susanne;
Willmes, Sascha;
Heinemann, Günther;
Rozman, Polona;
Timmermann, Ralph;
Schröder, David

Publication type:

Article

Intercomparison of Antarctic ice shelf, ocean, and sea ice interactions simulated by two models.

Published in:

Geoscientific Model Development Discussions, 2017, p. 1, doi. 10.5194/gmd-2017-268

By:

Naughten, Kaitlin A.;
Meissner, Katrin J.;
Galton-Fenzi, Benjamin K.;
England, Matthew H.;
Timmermann, Ralph;
Hellmer, Hartmut H.;
Hattermann, Tore;
Debernard, Jens B.

Publication type:

Article

Coupling framework (1.0) for the Úa (2023b) ice sheet model and the FESOM-1.4 z-coordinate ocean model in an Antarctic domain.

Published in:

Geoscientific Model Development, 2025, v. 18, n. 10, p. 2945, doi. 10.5194/gmd-18-2945-2025

By:

Richter, Ole;
Timmermann, Ralph;
Gudmundsson, G. Hilmar;
De Rydt, Jan

Publication type:

Article

Experimental design for the Marine Ice Sheet–Ocean Model Intercomparison Project – phase 2 (MISOMIP2).

Published in:

Geoscientific Model Development, 2024, v. 17, n. 18, p. 7105, doi. 10.5194/gmd-17-7105-2024

By:

De Rydt, Jan;
Jourdain, Nicolas C.;
Nakayama, Yoshihiro;
van Caspel, Mathias;
Timmermann, Ralph;
Mathiot, Pierre;
Asay-Davis, Xylar S.;
Seroussi, Hélène;
Dutrieux, Pierre;
Galton-Fenzi, Ben;
Holland, David;
Reese, Ronja

Publication type:

Article

Extreme melting at Greenland's largest floating ice tongue.

Published in:

Cryosphere Discussions, 2023, p. 1, doi. 10.5194/egusphere-2023-1320

By:

Zeising, Ole;
Neckel, Niklas;
Dörr, Nils;
Helm, Veit;
Steinhage, Daniel;
Timmermann, Ralph;
Humbert, Angelika

Publication type:

Article

Atlantic Water warming increases melt below Northeast Greenland's last floating ice tongue.

Published in:

Nature Communications, 2024, v. 15, n. 1, p. 1, doi. 10.1038/s41467-024-45650-z

By:

Wekerle, Claudia;
McPherson, Rebecca;
von Appen, Wilken-Jon;
Wang, Qiang;
Timmermann, Ralph;
Scholz, Patrick;
Danilov, Sergey;
Shu, Qi;
Kanzow, Torsten

Publication type:

Article

Severe 21st-century ocean acidification in Antarctic Marine Protected Areas.

Published in:

Nature Communications, 2024, v. 15, n. 1, p. 1, doi. 10.1038/s41467-023-44438-x

By:

Nissen, Cara;
Lovenduski, Nicole S.;
Brooks, Cassandra M.;
Hoppema, Mario;
Timmermann, Ralph;
Hauck, Judith

Publication type:

Article

Impact of West Antarctic Ice Shelf melting on the Southern Ocean Hydrography.

Published in:

Cryosphere Discussions, 2020, p. 1, doi. 10.5194/tc-2019-244

By:

Nakayama, Yoshihiro;
Timmermann, Ralph;
Hellmer, Hartmut

Publication type:

Article

Impact of West Antarctic Ice Shelf melting on the Southern Ocean Hydrography.

Published in:

Cryosphere Discussions, 2019, p. 1, doi. 10.5194/tc-2019-244

By:

Yoshihiro Nakayama;
Timmermann, Ralph;
Hellmer, Hartmut

Publication type:

Article

A Regime Shift on Weddell Sea Continental Shelves with Local and Remote Physical and Biogeochemical Implications is Avoidable in a 2°C Scenario.

Published in:

Journal of Climate, 2023, v. 36, n. 19, p. 6613, doi. 10.1175/JCLI-D-22-0926.1

By:

Nissen, Cara;
Timmermann, Ralph;
Hoppema, Mario;
Hauck, Judith

Publication type:

Article

Atmospheric forcing of coastal polynyas in the south-western Weddell Sea.

Published in:

Antarctic Science, 2015, v. 27, n. 4, p. 388, doi. 10.1017/S0954102014000893

By:

Haid, Verena;
Timmermann, Ralph;
Ebner, Lars;
Heinemann, Günther

Publication type:

Article

Katabatic winds and polynya dynamics at Coats Land, Antarctica.

Published in:

Antarctic Science, 2014, v. 26, n. 3, p. 309, doi. 10.1017/S0954102013000679

By:

Ebner, Lars;
Heinemann, Günther;
Haid, Verena;
Timmermann, Ralph

Publication type:

Article

Modeling Ice Shelf/Ocean Interaction in Antarctica.

Published in:

Oceanography, 2016, v. 29, n. 4, p. 144, doi. 10.5670/oceanog.2016.106

By:

Dinniman, Michael S.;
Asay-Davis, Xylar S.;
Galton-Fenzi, Benjamin K.;
Holland, Paul R.;
Jenkins, Adrian;
Timmermann, Ralph

Publication type:

Article

A simulation of small to giant Antarctic iceberg evolution: Differential impact on climatology estimates.

Published in:

Journal of Geophysical Research. Oceans, 2017, v. 122, n. 4, p. 3170, doi. 10.1002/2016JC012513

By:

Rackow, Thomas;
Wesche, Christine;
Timmermann, Ralph;
Hellmer, Hartmut H.;
Juricke, Stephan;
Jung, Thomas

Publication type:

Article

A global high-resolution data set of ice sheet topography, cavity geometry and ocean bathymetry.

Published in:

Earth System Science Data Discussions, 2016, v. 9, n. 1, p. 1, doi. 10.5194/essd-2016-3

By:

Schaffer, Janin;
Timmermann, Ralph;
Arndt, Jan Erik;
Kristensen, Steen Savstrup;
Mayer, Christoph;
Morlighem, Mathieu;
Steinhage, Daniel

Publication type:

Article

Sea ice production in the southern Weddell Sea: role of atmospheric forcing and fast ice.

Published in:

Geophysical Research Abstracts, 2018, v. 20, p. 7361

By:

Stulic, Lukrecia;
Timmermann, Ralph;
Paul, Stephan;
Zentek, Rolf;
Heinemann, Günther

Publication type:

Article

On the Modified Warm Deep Water Flow toward the Filchner Ronne Ice Shelf: Observations and Model Results.

Published in:

Geophysical Research Abstracts, 2018, v. 20, p. 7263

By:

Ryan, Svenja;
Schröder, Michael;
Timmermann, Ralph;
Hattermann, Tore;
Kanzow, Torsten

Publication type:

Article

Response to Filchner-Ronne Ice Shelf cavity warming in a coupled ocean-ice sheet model.

Published in:

Geophysical Research Abstracts, 2018, v. 20, p. 5071

By:

Goeller, Sebastian;
Timmermann, Ralph

Publication type:

Article

Sea-ice production in Weddell Sea polynyas by numerical simulations and remote sensing methods.

Published in:

Geophysical Research Abstracts, 2018, v. 20, p. 3734

By:

Zentek, Rolf;
Heinemann, Günther;
Stulic, Lukrecia;
Timmermann, Ralph;
Paul, Stephan;
Preußer, Andreas

Publication type:

Article

Twenty-first-century warming of a large Antarctic ice-shelf cavity by a redirected coastal current.

Published in:

Nature, 2012, v. 485, n. 7397, p. 225, doi. 10.1038/nature11064

By:

Hellmer, Hartmut H.;
Kauker, Frank;
Timmermann, Ralph;
Determann, Jürgen;
Rae, Jamie

Publication type:

Article

The impact of early-summer snow properties on Antarctic landfast sea-ice X-band backscatter.

Published in:

Annals of Glaciology, 2015, v. 56, n. 69, p. 263, doi. 10.3189/2015AoG69A715

By:

PAUL, Stephan;
WILLMES, Sascha;
HOPPMANN, Mario;
HUNKELER, Priska A.;
WESCHE, Christine;
NICOLAUS, Marcel;
HEINEMANN, Günther;
TIMMERMANN, Ralph

Publication type:

Article

Ice platelets below Weddell Sea landfast sea ice.

Published in:

Annals of Glaciology, 2015, v. 56, n. 69, p. 175, doi. 10.3189/2015AoG69A678

By:

HOPPMANN, Mario;
NICOLAUS, Marcel;
PAUL, Stephan;
HUNKELER, Priska A.;
HEINEMANN, Günther;
WILLMES, Sascha;
TIMMERMANN, Ralph;
BOEBEL, Olaf;
SCHMIDT, Thomas;
KÜHNEL, Meike;
KÖNIG-LANGLO, Gert;
GERDES, Rüdiger

Publication type:

Article

Circumpolar Influences on the Weddell Sea: Indication of an Antarctic Circumpolar Coastal Wave.

Published in:

Journal of Climate, 2001, v. 14, n. 17, p. 3785, doi. 10.1175/1520-0442(2001)014<3785:CIOTWS>2.0.CO;2

By:

Beckmann, Aike;
Timmermann, Ralph

Publication type:

Article

Extreme melting at Greenland's largest floating ice tongue.

Published in:

Cryosphere, 2024, v. 18, n. 3, p. 1333, doi. 10.5194/tc-18-1333-2024

By:

Zeising, Ole;
Neckel, Niklas;
Dörr, Nils;
Helm, Veit;
Steinhage, Daniel;
Timmermann, Ralph;
Humbert, Angelika

Publication type:

Article

Impact of West Antarctic ice shelf melting on Southern Ocean hydrography.

Published in:

Cryosphere, 2020, v. 14, n. 7, p. 2205, doi. 10.5194/tc-14-2205-2020

By:

Nakayama, Yoshihiro;
Timmermann, Ralph;
H. Hellmer, Hartmut

Publication type:

Article

Southern Ocean warming and increased ice shelf basal melting in the twenty-first and twenty-second centuries based on coupled ice-ocean finite-element modelling.

Published in:

Ocean Dynamics, 2013, v. 63, n. 9/10, p. 1011, doi. 10.1007/s10236-013-0642-0

By:

Timmermann, Ralph;
Hellmer, Hartmut

Publication type:

Article

Six circumpolar currents—on the forcing of the Antarctic Circumpolar Current by wind and mixing.

Published in:

Ocean Dynamics, 2007, v. 57, n. 1, p. 12, doi. 10.1007/s10236-006-0087-9

By:

Olbers, Dirk;
Lettmann, Karsten;
Timmermann, Ralph

Publication type:

Article

Variability of dense water formation in the Ross Sea.

Published in:

Ocean Dynamics, 2005, v. 55, n. 2, p. 68, doi. 10.1007/s10236-004-0106-7

By:

Assmann, Karen M.;
Timmermann, Ralph

Publication type:

Article

Regional and interannual variability of ecosystem dynamics in the Southern Ocean.

Published in:

Ocean Dynamics, 2003, v. 53, n. 1, p. 1, doi. 10.1007/s10236-002-0015-6

By:

Hense, Inga;
Timmermann, Ralph;
Beckmann, Aike;
Bathmann, Ulrich V.

Publication type:

Article

Experimental design for the marine ice sheet and ocean model intercomparison project - phase 2 (MISOMIP2).

Published in:

Geoscientific Model Development Discussions, 2024, p. 1, doi. 10.5194/egusphere-2024-95

By:

De Rydt, Jan;
Jourdain, Nicolas C.;
Yoshihiro Nakayama;
van Caspel, Mathias;
Timmermann, Ralph;
Mathiot, Pierre;
Asay-Davis, Xylar S.;
Seroussi, Hélène;
Dutrieux, Pierre;
Galton-Fenzi, Ben;
Holland, David;
Reese, Ronja

Publication type:

Article

Future Projections of Antarctic Ice Shelf Melting Based on CMIP5 Scenarios.

Published in:

Journal of Climate, 2018, v. 31, n. 13, p. 5243, doi. 10.1175/JCLI-D-17-0854.1

By:

Naughten, Kaitlin A.;
Meissner, Katrin J.;
Galton-Fenzi, Benjamin K.;
England, Matthew H.;
Timmermann, Ralph;
Hellmer, Hartmut H.

Publication type:

Article

The Fate of the Southern Weddell Sea Continental Shelf in a Warming Climate.

Published in:

Journal of Climate, 2017, v. 30, n. 12, p. 4337, doi. 10.1175/JCLI-D-16-0420.1

By:

Hellmer, Hartmut H.;
Kauker, Frank;
Timmermann, Ralph;
Hattermann, Tore

Publication type:

Article

Effects of Stochastic Ice Strength Perturbation on Arctic Finite Element Sea Ice Modeling.

Published in:

Journal of Climate, 2013, v. 26, n. 11, p. 3785, doi. 10.1175/JCLI-D-12-00388.1

By:

Juricke, Stephan;
Lemke, Peter;
Timmermann, Ralph;
Rackow, Thomas

Publication type:

Article