Adriatic Sea surface temperature : satellite and drifter observations, May to October, 1995
Vogt, Jason A.
Durkee, Philip A.
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The Adriatic Sea is the northernmost semi-enclosed basin of the Mediterranean Sea and has been the subject of various oceanographic studies since the 19th century. Substantial changes in water properties (such as temperature) and in circulation, both spatially and temporally (seasonal) occur as a result of extreme forcings by the local winds and by the fresh water discharge by rivers. In recent years, extensive measurements have been made, primarily through remote sensing techniques. In particular, satellite infrared data were used to study the surface thermal features and associated circulation. In order to improve upon previous results, this study focuses on a period of 6 months (May to October, 1995) in which the full resolution (1.25x1.25 km) satellite images are used to describe and study the variability of the sea surface temperature (SST) and circulation from meso- (days) to seasonal (months) scales. The satellite infrared temperatures are compared to simultaneous and collocated in-situ drifter temperature measurements. They are corrected by removing biases obtained by regression analysis. The corrected images are used to produce maps representing daily, three-day, weekly and monthly Adriatic SSTs. Selected SST composites augmented with drifter overlays disclose important quantitative features of the Adriatic surface waters. The spatial structure and temporal variability of the surface fields are presented and discussed
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