Retrieving ocean surface current by 4-D variational assimilation of sea surface temperature images

Abstract : In this article we propose a new method to estimate ocean mesoscale structures of the surface current velocity by processing sea surface satellite images. Assuming that the intensity level can be described by a transport-diffusion equation, the proposed approach is based on variational assimilation of image observations within a simple transport-diffusion model. This approach permits to retrieve the current velocity field from a sequence of satellite images. Results of processing synthetic data and real NOAA-AVHRR satellite images are presented and commented.
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https://hal.archives-ouvertes.fr/hal-00283896
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Submitted on : Saturday, May 31, 2008 - 1:06:48 PM
Last modification on : Friday, April 5, 2019 - 8:12:11 PM

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Gennady K. Korotaev, Etienne Huot, François-Xavier Le Dimet, Isabelle Herlin, S.V. Stanichny, et al.. Retrieving ocean surface current by 4-D variational assimilation of sea surface temperature images. Remote Sensing of Environment, Elsevier, 2008, 112 (4), pp.1464-1475. ⟨10.1016/j.rse.2007.04.020⟩. ⟨hal-00283896⟩

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