Email : helmuth.haak@we dont want spammpimet.mpg.de

Tel : +49 40 41173 367

Fax: +49 40 41173 298

Zimmernr. : 228



Max-Planck-Institut für Meteorologie

Bundesstrasse 53

D-20146 Hamburg






Forschungsgruppe des Direktors



High atmospheric horizontal resolution eliminates the wind-driven coastal warm bias in the southeastern tropical Atlantic 

Milinski, S., J. Bader, H. Haak, A. C. Siongco, and J. H Jungclaus, GEOPHYSICAL RESEARCH LETTERS Volume: 43, doi:10.1002/2016GL070530, 2016

Vertical heat and salt fluxes due to resolved and parameterized meso-scale Eddies

Jin-Song von Storch, Helmuth Haak, Eileen Hertwig, Irina Fast, OCEAN MODELLING  Volume:  108 Pages: 1-19, ISSN 1463-5003, dx.doi.org/10.1016/j.ocemod.2016.10.001 ,2016

OMIP contribution to CMIP6: experimental and diagnostic protocol for the physical component of the Ocean Model Intercomparison Project

Griffies, S. M., Danabasoglu, G., Durack, P. J., Adcroft, A. J., Balaji, V., Böning, C. W., Chassignet, E. P., Curchitser, E., Deshayes, J., Drange, H., Fox-Kemper, B., Gleckler, P. J., Gregory, J. M., Haak, H., Hallberg, R. W., Heimbach, P., Hewitt, H. T., Holland, D. M., Ilyina, T., Jungclaus, J. H., Komuro, Y., Krasting, J. P., Large, W. G., Marsland, S. J., Masina, S., McDougall, T. J., Nurser, A. J. G., Orr, J. C., Pirani, A., Qiao, F., Stouffer, R. J., Taylor, K. E., Treguier, A. M., Tsujino, H., Uotila, P., Valdivieso, M., Wang, Q., Winton, M., and Yeager, S. G.,  GEOSCIENTIFIC MODEL DEVELOPMENT Volume 9 Pages:  3231-3296, doi:10.5194/gmd-9-3231-2016, 2016

The Flux-Anomaly-Forced Model Intercomparison Project (FAFMIP) contribution to CMIP6: investigation of sea-level and ocean climate change in response to CO2 forcing

Gregory, J. M., Bouttes, N., Griffies, S. M., Haak, H., Hurlin, W. J., Jungclaus, J., Kelley, M., Lee, W. G., Marshall, J., Romanou, A., Saenko, O. A., Stammer, D., and Winton, M. , GEOSCIENTIFIC MODEL DEVELOPMENT Volume: 9 Pages: 3993-4017, doi:10.5194/gmd-9-3993-2016, 2016





Controlling high-latitude Southern Ocean convection in climate models.

Stössel, A., D. Notz, F. A. Haumann, H. Haak, J. Jungclaus, U. Mikolajewicz, , Ocean Modelling, Volume 86, February 2015, Pages 58-75, ISSN 1463-5003, doi:10.1016/j.ocemod.2014.11.008

A twentieth-century reanalysis forced ocean model to reconstruct the North Atlantic climate variation during the 1920s.

Müller, W. A., D. Matei, M. Bersch, J. H. Jungclaus, H. Haak, K. Lohmann, G. P. Compo, P. D. Sardeshmukh, and J. Marotzke, Clim. Dyn., doi: 10.1007/s00382-014-2267-5 , 2014


Revisiting the Meteor 1925-1927 hydrographic dataset reveals centennial full-depth changes in the Atlantic Ocean

Gouretski, Viktor; Jungclaus, Johann H.; Haak, Helmuth, GEOPHYSICAL RESEARCH LETTERS  Volume: 40   Issue: 10   Pages: 2236-2241   Published: MAY 28 2013

Arctic sea-ice evolution as modeled by Max Planck Institute for Meteorology's Earth system model

Notz, Dirk; Haumann, F. Alexander; Haak, Helmuth; et al., JOURNAL OF ADVANCES IN MODELING EARTH SYSTEMS  Volume: 5   Issue: 2   Pages: 173-194   Published: JUN 2013

Characteristics of the ocean simulations in the Max Planck Institute Ocean Model (MPIOM) the ocean component of the MPI-Earth system model

Jungclaus, J. H.; Fischer, N.; Haak, H.; et al., JOURNAL OF ADVANCES IN MODELING EARTH SYSTEMS  Volume: 5   Issue: 2   Pages: 422-446   Published: JUN 2013

Climate and carbon cycle changes from 1850 to 2100 in MPI-ESM simulations for the Coupled Model Intercomparison Project phase 5

Giorgetta, Marco A.; Jungclaus, Johann; Reick, Christian H.; et al., JOURNAL OF ADVANCES IN MODELING EARTH SYSTEMS  Volume: 5   Issue: 3   Pages: 572-597   Published: JUL 2013

The influence of high-resolution wind stress field on the power input to near-inertial motions in the ocean

Rimac, Antonija; von Storch, Jin-Song; Eden, Carsten; et al., GEOPHYSICAL RESEARCH LETTERS  Volume: 40   Issue: 18   Pages: 4882-4886   Published: SEP 28 2013


A multi-decadal meridional displacement of the Subpolar Front in the Newfoundland Basin

Nunez-Riboni, I.; Bersch, M.; Haak, H.; et al., OCEAN SCIENCE  Volume: 8   Issue: 1   Pages: 91-102   Published: 2012

Multiyear Prediction of Monthly Mean Atlantic Meridional Overturning Circulation at 26.5 degrees N

Matei, Daniela; Baehr, Johanna; Jungclaus, Johann H.; et al., SCIENCE  Volume: 335   Issue: 6064   Pages: 76-79   Published: JAN 6 2012

Tuning the climate of a global model

Mauritsen, Thorsten; Stevens, Bjorn; Roeckner, Erich; et al., JOURNAL OF ADVANCES IN MODELING EARTH SYSTEMS  Volume: 4     Article Number: M00A01   Published: AUG 7 2012

An Estimate of the Lorenz Energy Cycle for the World Ocean Based on the 1/10 degrees STORM/NCEP Simulation

von Storch, Jin-Song; Eden, Carsten; Fast, Irina; et al., JOURNAL OF PHYSICAL OCEANOGRAPHY  Volume: 42   Issue: 12   Pages: 2185-2205   Published: DEC 2012

Two Tales of Initializing Decadal Climate Prediction Experiments with the ECHAM5/MPI-OM Model

Matei, Daniela; Pohlmann, Holger; Jungclaus, Johann; et al., JOURNAL OF CLIMATE  Volume: 25   Issue: 24   Pages: 8502-8523   Published: DEC 15 2012


Effects of the Changjiang river discharge on sea surface warming in the Yellow and East China Seas in summer

Park, Taewook; Jang, Chan Joo; Jungclaus, Johann H.; et al., CONTINENTAL SHELF RESEARCH  Volume: 31   Issue: 1   Pages: 15-22   Published: JAN 15 2011

The PRISM Support Initiative, COSMOS and OASIS4

Redler, René; Valcke, Sophie; Haak, Helmuth in Baklanov, Alexander;  Alexander, Mahura; Sokhi, Ranjeet ; Integrated Systems of Meso-Meteorological and Chemical Transport Models,  Springer Berlin Heidelberg, 2011


Climate and carbon-cycle variability over the last millennium

Jungclaus, J. H.; Lorenz, S. J.; Timmreck, C.; et al., CLIMATE OF THE PAST  Volume: 6   Issue: 5   Pages: 723-737   Published: 2010

The effect of ocean tides on a climate model simulation

Mueller, M.; Haak, H.; Jungclaus, J. H.; et al., OCEAN MODELLING  Volume: 35   Issue: 4   Pages: 304-313   Published: 2010

Observed and simulated estimates of the meridional overturning circulation at 26.5 degrees N in the Atlantic (vol 5, pg 575, 2009)

Baehr, J.; Cunningham, S.; Haak, H.; et al.,OCEAN SCIENCE  Volume: 6   Issue: 1   Pages: 1-1   Published: 2010


Coordinated Ocean-ice Reference Experiments (COREs)

Griffies, Stephen M.; Biastoch, Arne; Boening, Claus; et al., OCEAN MODELLING  Volume: 26   Issue: 1-2   Pages: 1-46   Published: 2009

Observed and simulated estimates of the meridional overturning circulation at 26.5 degrees N in the Atlantic

Baehr, J.; Cunnningham, S.; Haak, H.; et al., OCEAN SCIENCE  Volume: 5   Issue: 4   Pages: 575-589   Published: 2009


Impact of daily fluctuations on long-term predictability of the Atlantic meridional overturning circulation

von Storch, J.-S.; Haak, H., Geophysical Research Letters  Volume: 35   Issue: 1   Pages: L01609-1-5   Published: 16 Jan. 2008

Estimating trends of Atlantic meridional overturning circulation from long-term hydrographic data and model simulations

Lohmann, Gerrit; Haak, Helmuth; Jungclaus, Johann H., OCEAN DYNAMICS  Volume: 58   Issue: 2   Pages: 127-138   Published: JUL 2008

Simulating the terms in the Arctic hydrological budget.

Wu P, Haak H,Wood R, Jungclaus JH, Furevik T (2008)  In: B Dickson, J Meincke, P Rhines (eds) Arctic-Subarctic Ocean fluxes—defining the role of the Northern Seas in climate. Chapter 8. Springer, Berlin


Arctic freshwater export in the 20th and 21st centuries

Koenigk, Torben; Mikolajewicz, Uwe; Haak, Helmuth; et al., JOURNAL OF GEOPHYSICAL RESEARCH-BIOGEOSCIENCES  Volume: 112   Issue: G4     Article Number: G04S41   Published: NOV 1 2007

Timely detection of changes in the meridional overturning circulation at 26 degrees N in the Atlantic

Baehr, Johanna; Haak, Helmuth; Alderson, Steven; et al., JOURNAL OF CLIMATE  Volume: 20   Issue: 23   Pages: 5827-5841   Published: DEC 2007


Variability of Fram Strait sea ice export: causes, impacts and feedbacks in a coupled climate model

Koenigk, T; Mikolajewicz, U; Haak, H; et al., CLIMATE DYNAMICS  Volume: 26   Issue: 1   Pages: 17-34   Published: JAN 2006

Ocean circulation and tropical variability in the coupled model ECHAM5/MPI-OM

Jungclaus, J. H.; Keenlyside, N.; Botzet, M.; et al., JOURNAL OF CLIMATE  Volume: 19   Issue: 16   Pages: 3952-3972   Published: AUG 2006

Will Greenland melting halt the thermohaline circulation?

http://apps.webofknowledge.com/full_record.do?product=UA&search_mode=MarkedList&qid=35&SID=Y2cTR6XlT2AMoy4HgxS&page=1&doc=7&colName=WOSJungclaus, J. H.; Haak, H.; Esch, M.; et al., GEOPHYSICAL RESEARCH LETTERS  Volume: 33   Issue: 17     Article Number: L17708   Published: SEP 7 2006

Gulf stream variability in five oceanic general circulation models

De Coetlogon, Gaelle; Frankignoul, Claude; Bentsen, Mats; et al., JOURNAL OF PHYSICAL OCEANOGRAPHY  Volume: 36   Issue: 11   Pages: 2119-2135   Published: NOV 2006


Arctic-North Atlantic interactions and multidecadal variability of the meridional overturning circulation

Jungclaus, JH; Haak, H; Latif, M; et al., JOURNAL OF CLIMATE  Volume: 18   Issue: 19   Pages: 4013-4031   Published: OCT 1 2005


Reconstructing, monitoring, and predicting multidecadal-scale changes in the North Atlantic thermohaline circulation with sea surface temperature

Latif, M; Roeckner, E; Botzet, M; et al., JOURNAL OF CLIMATE  Volume: 17   Issue: 7   Pages: 1605-1614   Published: APR 2004


The Max-Planck-Institute global ocean/sea ice model with orthogonal curvilinear coordinates

Marsland, SJ; Haak, H; Jungclaus, JH; et al., OCEAN MODELLING  Volume: 5   Issue: 2   Pages: 91-127   Article Number: PII S1463-5003(02)00015-X   Published: 2003

Formation and propagation of great salinity anomalies

http://apps.webofknowledge.com/full_record.do?product=UA&search_mode=MarkedList&qid=35&SID=Y2cTR6XlT2AMoy4HgxS&page=1&doc=2&colName=WOSHaak, H; Jungclaus, J; Mikolajewicz, U; et al., GEOPHYSICAL RESEARCH LETTERS  Volume: 30   Issue: 9     Article Number: 1473   Published: MAY 8 2003