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An Extended Kalman Filter to Assimilate Altimetric Data into a Non-Linear Model of the Tropical PacificA new implementation of the extended Kaman filter is developed for the purpose of assimilating altimetric observations into a primitive equation model of the tropical Pacific. Its specificity consists in defining the errors into a reduced basis that evolves in time with the model dynamic. Validation by twin experiments is conducted and the method is shown to be efficient in quasi real conditions. Data from the first 2 years of the Topex/Poseidon mission are assimilated into the Gent & Cane [1989] model. Assimilation results are evaluated against independent in situ data, namely TAO mooring observations.
Document ID
20000038106
Acquisition Source
Goddard Space Flight Center
Document Type
Reprint (Version printed in journal)
Authors
Gourdeau, L. (Office de la Recherche Scientifique et Technique Outre-Mer Noumea, New Caledonia)
Verron, J. (Centre National de la Recherche Scientifique Toulouse, France)
Murtugudde, R. (NASA Goddard Space Flight Center Greenbelt, MD United States)
Busalacchi, A. J. (NASA Goddard Space Flight Center Greenbelt, MD United States)
Date Acquired
August 19, 2013
Publication Date
January 1, 1997
Publication Information
Publication: Laboratory for Hydrospheric Processes Research Publications
Subject Category
Earth Resources And Remote Sensing
Report/Patent Number
Paper 4-34
Meeting Information
Meeting: Monitoring the Oceans in the 2000s: An Integrated Approach
Location: Biarritz
Country: France
Start Date: October 15, 1997
End Date: October 17, 1997
Distribution Limits
Public
Copyright
Other

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