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Number of items: 43.

Article in a Scientific Journal - peer-reviewed

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Pemberton, P., Löptien, U., Hordoir, R., Höglund, A., Schimanke, S., Axell, L. and Haapala, J. (2017) Sea-ice evaluation of NEMO-Nordic 1.0: a NEMO–LIM3.6-based ocean–sea-ice model setup for the North Sea and Baltic Sea Geoscientific Model Development, 10 (8). pp. 3105-3123. DOI 10.5194/gmd-10-3105-2017.

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Schartau, M., Wallhead, P., Hemmings, J., Löptien, U., Kriest, I., Krishna, S., Ward, B. A., Slawig, T. and Oschlies, A. (2017) Reviews and syntheses: Parameter identification in marine planktonic ecosystem modelling Biogeosciences (BG), 14 (6). pp. 1647-1701. DOI 10.5194/bg-14-1647-2017.


Sauerland, V., Löptien, U., Leonhard, C., Oschlies, A. and Srivastav, A. (2017) Error assessment of biogeochemical models by lower bound methods Geoscientific Model Development Discussions . pp. 1-22. DOI 10.5194/gmd-2017-133.

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Hordoir, R., Axell, L., Löptien, U., Dietze, H. and Kuznetsov, I. (2015) Influence of sea level rise on the dynamics of salt inflows in the Baltic Sea Journal of Geophysical Research-Oceans, 120 (10). pp. 6653-6668. DOI 10.1002/2014JC010642.

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Löptien, U. and Axell, L. (2014) Ice and AIS: ship speed data and sea ice forecasts in the Baltic Sea The Cryosphere, 8 . pp. 2409-2418. DOI 10.5194/tc-8-2409-2014.

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Löptien, U. and Dietze, H. (2014) Sea ice in the Baltic Sea - revisiting BASIS-ice, a historical data set covering the period 1960/61-78/79 Earth System Science Data, 6 . pp. 367-374. DOI 10.5194/essd-6-367-2014.

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Dietze, H., Löptien, U. and Getzlaff, K. (2014) MOMBA 1.1 - a high-resolution Baltic Sea configuration of GFDL's modular ocean model Geoscientific Model Development, 7 . pp. 1713-1731. DOI 10.5194/gmd-7-1713-2014.

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Dietze, H. and Löptien, U. (2013) Revisiting "nutrient trapping" in global coupled biogeochemical ocean circulation models Global Biogeochemical Cycles, 27 (2). pp. 265-284. DOI 10.1002/gbc.20029.

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Löptien, U., Martensson, S., Meier, H. E. M. and Höglund, A. (2013) Long-term characteristics of simulated ice deformation in the Baltic Sea (1962–2007) Journal of Geophysical Research - Oceans, 118 (2). pp. 801-815. DOI 10.1002/jgrc.20089.

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Meier, H. E. M., Höglund, A., Döscher, R., Andersson, H., Löptien, U. and Kjellström, E. (2011) Quality assessment of atmospheric surface fields over the Baltic Sea from an ensemble of regional climate model simulations with respect to ocean dynamics Oceanologia, 53 (1_TI). pp. 193-227. DOI 10.5697/oc.53-1-TI.193.

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Löptien, U. and Eden, C. (2010) Multidecadal CO2uptake variability of the North Atlantic Journal of Geophysical Research - Atmospheres, 115 (D12). D12113. DOI 10.1029/2009JD012431.

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Löptien, U., Eden, C., Timmermann, A. and Dietze, H. (2009) Effects of biologically induced differential heating in an eddy-permitting coupled ocean-ecosystem model Journal of Geophysical Research, 114 (C6). DOI 10.1029/2008JC004936.

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Löptien, U., Gulev, S. K., Latif, M., Zolina, O. and Soloviov, V. (2008) Cyclone life cycle characteristics over the Northern Hemisphere in coupled GCMs Climate Dynamics, 31 (5). pp. 507-532. DOI 10.1007/s00382-007-0355-5.

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Löptien, U. and Ruprecht, E. (2005) Effect of Synoptic Systems on the Variability of the North Atlantic Oscillation Monthly Weather Review, 133 (10). pp. 2894-2904. DOI 10.1175/MWR3007.1.

Book chapter


Löptien, U. and Eden, C. (2008) Simulating El-Nino in an eddy-resolving coupled ocean-ecosystem model High Performance Computing in Science and Engineering 08. Springer, Berlin, pp. 471-479.

Conference presentation


Kriest, I., Dietze, H., Löptien, U. and Schartau, M. (2017) Calibration and parameter identification of global marine biogeochemistry models [Talk] In: PalMod Annual Retreat, 22.02.2017, Lübeck, Germany.


Dietze, H., Löptien, U., Getzlaff, J. and Getzlaff, K. (2017) Eddies and biogeochemistry: from the Southern Ocean to the Baltic Sea [Invited talk] In: Swedish Meteorological and Hydrological Institute (SMHI), 12.01.2017, Norrköping, Sweden.


Dietze, H. and Löptien, U. (2017) Preliminary results from a suite of simulations off Mauretania: On resolution, diabatic transports and oxygen [Invited talk] In: Submesoscale Miniworkshop, 19.10.2017, GEOMAR, Kiel, Germany.


Löptien, U., Dietze, H. and Getzlaff, K. (2017) The effects of spurious mixing in the high resolution Baltic Sea model setup MOMBA [Invited talk] In: Swedish Meteorological and Hydrological Institute (SMHI), 10.01.2017, Norrköping, Sweden.


Löptien, U., Dietze, H., Getzlaff, J. and Prowe, A. E. F. (2016) Towards optimizing coupled 3-dimensional ocean circulation biogeochemical models: promises and pitfalls [Invited talk] In: Swedish Meteorological and Hydrological Institute (SMHI), 17.02.2016, Norrköping, Sweden.


Dietze, H. and Löptien, U. (2015) Eddies & Carbon in the Southern Ocean [Talk] In: CARBOCHANGE Final Project Meeting 2015, 19.-22.01.2015, Bergen, Norway.


Löptien, U. and Dietze, H. (2015) Parameters estimation in marine ecosystem models: limitations of typical standing stock observations [Talk] In: EGU General Assembly 2015, 12.–17.04.2015 , Vienna, Austria.


Dietze, H. and Löptien, U. (2015) Simulating eddy-wind interaction with MOMBA [Talk] In: 10. Baltic Sea Science Congress, 15.-19.06.2015, Riga, Latvia.


Löptien, U. and Dietze, H. (2013) Constraining parameters in state-of-the-art marine pelagic ecosystem models. Is it actually feasible? [Talk] In: Baltic Sea Science Congress 2013, 26.-30-08.2013, Klaipeda, Lithuania.


Dietze, H., Getzlaff, J. and Löptien, U. (2013) Revisiting "Nutrient Trapping" in global coupled biogeochemical Ocean Circulation Models: Cause and remedy [Talk] In: EGU General Assembly 2013, 07.-12.04.2013, Vienna, Austria.


Löptien, U., Maartensson, S., Meier, H. E. M. and Höglund, A. (2012) Ice stress modeling - state of the art [Talk] In: 6. SAFEWIN assembly meeting, 17.-18.04.2012, Turku, Finland.


Löptien, U. and Meier, H. E. M. (2012) A trafficability index for winter navigation in the Baltic Sea [Talk] In: 7. SAFEWIN assembly meeting, 28.-29.08.2012, Espoo, Finland.


Löptien, U., Maartensson, S., Meier, H. E. M. and Höglund, A. (2011) SAFEWIN: Analysis of modeled ice stresses (RCO-HELMI) [Talk] In: 5. SAFEWIN assembly meeting, 26.-27.10.2011, St. Petersburg, Russia.


Löptien, U. and Meier, H. E. M. (2011) The influence of increasing water turbidity on the sea surface temperature in the Baltic Sea: A model sensitivity study [Talk] In: 8. Baltic Sea Science Congress (BSSC), 22.-26.08.2011, St. Petersburg, Russia.


Löptien, U., Eden, C. and Timmermann, A. (2008) Biologically induced circulation changes in the tropical Pacific as simulated with eddy-resolving coupled ocean-ecosystem model [Talk] In: EGU General Assembly, 15.04, Vienna, Austria.


Löptien, U., Eden, C. and Timmermann, A. (2008) High resolution hybrid coupled modeling in the tropical Pacific [Talk] In: EGU General Assembly, 15.04, Vienna, Austria.


Löptien, U., Eden, C. and Timmermann, A. (2008) WP2: Simulating ENSO in an eddy-resolving coupled ocean-ecosystem model - part II [Talk] In: DYNAMITE-meeting, 07.02, Bologna, Italy.


Löptien, U., Eden, C. and Timmermann, A. (2008) WP4: Simulating ENSO in an eddy-resolving coupled ocean-ecosystem model - part I [Talk] In: DYNAMITE-meeting, 06.02, Bologna, Italy.

Conference poster

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Dietze, H. and Löptien, U. (2015) MOMSO - simulating eddying biogeochemistry in the Southern Ocean [Poster] In: CARBOCHANGE Final Project Meeting 2015, 19.-22.01.2015, Bergen, Norway.


Dietze, H., Getzlaff, K. and Löptien, U. (2013) MOMBA 1.1 - A high-resolution Baltic Sea configuration of GFDL's MOM4p1d coupled ocean circulation ice model [Poster] In: Baltic Sea Science Congress 2013, 26.-30-08.2013, Klaipeda, Lithuania.


Dietze, H. and Löptien, U. (2012) Revisiting "Nutrient Trapping" in global coupled biogeochemical Ocean Circulation Models [Poster] In: AGU Fall Meeting 2012, 03.-07.12.2012, San Francisco, USA.

Thesis - not published by a publisher


Löptien, U. (2003) Effekte der Wechselwirkung zwischen Ozean und Atmosphäre auf die Nordatlantische Oszillation (Doctoral thesis/PhD), Christian-Albrechts-Universität, Kiel, 98 pp

This list was generated on Sun Nov 19 09:30:10 2017 CET.