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339 research outcomes, page 1 of 34
  • publication . Article . 2018
    Open Access English
    Authors:
    Kopte, Robert; Brandt, Peter; Claus, Martin; Greatbatch, Richard J.; Dengler, Marcus;
    Persistent Identifiers
    Publisher: AMS (American Meteorological Society)
    Country: Germany
    Project: EC | PREFACE (603521)

    AbstractMultiyear moored velocity observations of the Angola Current near 11°S reveal a weak southward mean flow superimposed by substantial intraseasonal to seasonal variability, including annual and semiannual cycles with distinct baroclinic structures. In the equator...

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  • publication . Article . 2007
    Open Access
    Authors:
    Cornelia Köberle; Rüdiger Gerdes;
    Persistent Identifiers
    Publisher: American Meteorological Society

    Abstract The Arctic Ocean freshwater balance over the period 1948–2001 is examined using results from a hindcast simulation with an ocean–sea ice model of the Atlantic and Arctic Oceans. Atmospheric forcing is taken from the NCEP–NCAR reanalysis and different terrestria...

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  • publication . Article . 2002
    Open Access
    Authors:
    Ralph Timmermann; Peter Lemke; Christoph Kottmeier;
    Country: Germany

    A dynamic‐thermodynamic sea ice‐mixed layer model for the Weddell Sea is complemented by a simple, diagnostic model to account for local sea ice‐atmosphere interaction. To consider the atmospheric influence on the oceanic mixed layer, the pycnocline upwelling velocity i...

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  • publication . Article . 2019
    Open Access English
    Authors:
    R. C. Frew; Daniel Feltham; Paul R. Holland; Alek Petty;
    Persistent Identifiers
    Publisher: American Meteorological Society
    Country: United Kingdom

    AbstractObserved changes in Antarctic sea ice are poorly understood, in part due to the complexity of its interactions with the atmosphere and ocean. A highly simplified, coupled sea ice–ocean mixed layer model has been developed to investigate the importance of sea ice...

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  • publication . Article . 2007
    Open Access
    Authors:
    Manfred Wenzel; Jens Schröter;
    Persistent Identifiers
    Publisher: American Meteorological Society
    Country: Germany

    Abstract The mass budget of the ocean in the period 1993–2003 is studied with a general circulation model. The model has a free surface and conserves mass rather than volume; that is, freshwater is exchanged with the atmosphere via precipitation and evaporation and infl...

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  • publication . Article . 2002
    Open Access
    Authors:
    Samar Khatiwala; Peter Schlosser; Martin Visbeck;
    Publisher: American Meteorological Society
    Countries: United Kingdom, Germany

    Time series of hydrographic and transient tracer (3H and 3He) observations from the central Labrador Sea collected between 1991 and 1996 are presented to document the complex changes in the tracer fields as a result of variations in convective activity during the 1990s....

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  • publication . Article . 2003
    Open Access
    Authors:
    James B. Girton; Thomas B. Sanford;
    Publisher: American Meteorological Society
    Country: Germany

    Bulk properties of the Denmark Strait overflow (DSO) plume observed in velocity and hydrography surveys undertaken in 1997 and 1998 are described. Despite the presence of considerable short-term variability, it is found that the pathway and evolution of the plume densit...

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  • publication . Article . 2011
    Open Access
    Authors:
    Lars Umlauf; Hans Burchard;
    Persistent Identifiers
    Publisher: American Meteorological Society

    Abstract The interaction of shear, stratification, and turbulence in boundary layers on sloping topography is investigated with the help of an idealized theoretical model, assuming uniform bottom slope and homogeneity in the upslope direction. It is shown theoretically ...

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  • publication . Article . 2002
    Open Access
    Authors:
    Claus W. Böning; Frank O. Bryan; William R. Holland; Ralf Döscher;
    Publisher: American Meteorological Society
    Country: Germany

    The authors use different versions of the model of the wind- and thermohaline-driven circulation in the North and Equatorial Atlantic developed under the WOCE Community Modeling Effort to investigate the mean flow pattern and deep-water formation in the subpolar region,...

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  • publication . Article . 2002
    Open Access
    Authors:
    Ian A. Renfrew; G. W. K. Moore; Peter S. Guest; Karl Bumke;
    Publisher: American Meteorological Society

    Comparisons are made between a time series of meteorological surface layer observational data taken on board the R/V Knorr, and model analysis data from the European Centre for Medium-Range Weather Forecasting (ECMWF) and the National Centers for Environmental Predictio...

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339 research outcomes, page 1 of 34