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Proceedings Paper

Satellite observation of sharp frontal shear instabilities and surface jets in the Mediterranean Sea
Author(s): R. D'Archino; Ettore Salusti
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Paper Abstract

We analyze thermal satellite images relative to years 1997, 1998, 1999, 2000 to infer cold filament and surface jets in the Mediterranean Sea. The main zones to see these SST phenomena are characterized by strong cold winds funneled by somewhat irregular coastal topography. In the coastal zones, indeed, the strong air-sea interaction generates a particularly strong input of potential vorticity, that can give origin to upwellings, cold filament and jets. So the geographical zone more 'rich' of these narrow or large jets, are the tow lobes of the Southern Sicilian coast, the sea off Olbia in Sardinia, that South of the Island of Crete where a particularly intriguing large scale turbulence is evident, and the Balcanic coast of the Adriatic sea. Of particular interest is the analysis of these jets and their evolution using a modern version of the potential vorticity conservation, valid even if friction and entrainment are large.

Paper Details

Date Published: 14 January 2002
PDF: 7 pages
Proc. SPIE 4544, Remote Sensing of the Ocean and Sea Ice 2001, (14 January 2002); doi: 10.1117/12.452755
Show Author Affiliations
R. D'Archino, Univ. La Sapienza (Italy)
Ettore Salusti, Univ. degli Studi di Roma La Sapienza (Italy)


Published in SPIE Proceedings Vol. 4544:
Remote Sensing of the Ocean and Sea Ice 2001
Charles R. Bostater; Rosalia Santoleri, Editor(s)

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