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Erschienen in:
2005 | OriginalPaper | Buchkapitel
Improved Estimates of the Oceanic Circulation Using the CHAMP Geoid
verfasst von : Gennady Kivman, Sergey Danilov, Bernadette Fritzsch, Sven Harig, Christian Reick, Jens Schröter, Verena Seufer, Dmitry Sidorenko, Joanna Staneva, Manfred Wenzel
Erschienen in: Earth Observation with CHAMP
Verlag: Springer Berlin Heidelberg
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Ocean general circulation models which are constrained by altimetry data usually assimilate only temporal sea-surface height anomalies. It is known that this is not enough to correct the mean ocean state. Here we present first results of assimilating the full (absolute) dynamical topography into a steady state version of a finite element ocean model (FEOM) for the North Atlantic. This makes it possible to notably reduce the model-data misfit especially in the western part of the basin and in the southern Labrador Sea.