Skip to Main content Skip to Navigation
Journal articles

Improvement of coastal and mesoscale observation from space: application to the Northwestern Mediterranean Sea

Abstract : We present an innovative approach to the generation of remotely sensed high-resolution sea surface topography that improves coastal and mesoscale dynamic characterization. This new method is applied for the period 2002-2010 in the northwestern Mediterranean Sea, an area marked by a small Rossby radius. The spectral content of the new mapped data is closer to that of the along-track signal and displays higher levels of energy in the mesoscale bandwidth with the probability distribution of the new velocity fields 30% closer to drifters estimations. The fields yield levels of eddy kinetic energy 25% higher than standard altimetry products, especially over regions regularly impacted by mesoscale instabilities. Moreover, qualitative and quantitative comparisons with drifters, glider and satellite sea surface temperature observations further confirm that the new altimetry product provides, in many cases, a better representation of mesoscale features (more than 25% improvement in correlation with glider data during an experiment).
Document type :
Journal articles
Complete list of metadata

https://hal.archives-ouvertes.fr/hal-00808033
Contributor : Thierry Pin <>
Submitted on : Wednesday, May 12, 2021 - 9:02:40 AM
Last modification on : Thursday, May 13, 2021 - 3:36:56 AM

File

grl.50324.pdf
Publisher files allowed on an open archive

Identifiers

Citation

R Escudier, Jerome Bouffard, A. Pascual, P.-M. Poulain, M.-I. Pujol. Improvement of coastal and mesoscale observation from space: application to the Northwestern Mediterranean Sea. Geophysical Research Letters, American Geophysical Union, 2013, pp./. ⟨10.1002/grl.50324⟩. ⟨hal-00808033⟩

Share

Metrics

Record views

381

Files downloads

32