Satellite observation of sharp frontal shear instabilities and surface jets in the Mediterranean Sea

R. D'Archino; Ettore Salusti

doi:10.1117/12.452755

14 January 2002 Satellite observation of sharp frontal shear instabilities and surface jets in the Mediterranean Sea

R. D'Archino, Ettore Salusti

Proceedings Volume 4544, Remote Sensing of the Ocean and Sea Ice 2001; (2002) https://doi.org/10.1117/12.452755
Event: International Symposium on Remote Sensing, 2001, Toulouse, France

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.

Citation Download Citation

R. D'Archino and Ettore Salusti "Satellite observation of sharp frontal shear instabilities and surface jets in the Mediterranean Sea", Proc. SPIE 4544, Remote Sensing of the Ocean and Sea Ice 2001, (14 January 2002); https://doi.org/10.1117/12.452755

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