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Reconstructing regional-scale velocity fields from lagrangian data
Vincent Taillandier
CNR-ISMAR
vincent@sp.ismar.cnr.it(Abstract received 04/29/2005 for session D)
ABSTRACT
The accuracy for reconstructing regional circulations from float trajectories is tested on a model generated time-dependent velocity field. In the present approach, the eulerian field solution of the equation governing the float advection is found by minimizing the distance between predicted float positions and the observed trajectories. The sensitivity of reconstruction is assessed considering different space-time distributions of lagrangian data. Applications to the Mediterranean circulation analysis are discussed for medARGO profilers deployed at the basin scale and surface difters deployed at the regional and coastal scales.
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2005 LAPCOD Meeting, Lerici, Italy, June 13-17, 2005