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Estimating the circulation from hydrography and satellite altimetry in the Southern Ocean: limitations imposed by the current geoid models

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Losch, M. and Schröter, J. (2004): Estimating the circulation from hydrography and satellite altimetry in the Southern Ocean: limitations imposed by the current geoid models , Deep-sea research i, 51 (9), pp. 1131-1143 . doi: 10.1016/j.dsr.2004.02.012
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Abstract:

Sea-surface height data from satellite altimetry offers itself as avery powerful means of determining the general ocean circulation. Inorder to use it in time-independent problems, one has to use theequipotential height of a geoid model as a reference surface. Up tonow, this reference surface is not known to an accuracy sufficientfor ocean state estimation, as is demonstrated in the context of aninverse analysis of a particular hydrographic section in theSouthern Ocean with altimetry data relative to the geoid height ofthe EGM96 geoid model.

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