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The last 30-year thermohaline variability in the ... - Medclivar

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Mediterranean <strong>The</strong>rmohal<strong>in</strong>e Circulation:<br />

<strong>the</strong> traditional picture (I)<br />

<strong>The</strong> excess evaporation over freshwater<br />

<strong>in</strong>put with<strong>in</strong> <strong>the</strong> bas<strong>in</strong> is balanced by a<br />

two layer exchange at <strong>the</strong> Strait of<br />

Gibraltar compris<strong>in</strong>g a relatively warm,<br />

fresh (15°C, 36.2psu) upper water<br />

<strong>in</strong>flow and a relatively cool and saltier<br />

(13.5°C and 38.4 psu) outflow to <strong>the</strong><br />

Atlantic. <strong>The</strong> transformation of <strong>the</strong><br />

<strong>in</strong>flow<strong>in</strong>g Atlantic Water to<br />

Mediterranean outflow<strong>in</strong>g water with<strong>in</strong><br />

<strong>the</strong> bas<strong>in</strong> is made through a <strong><strong>the</strong>rmohal<strong>in</strong>e</strong><br />

cell that <strong>in</strong>volves <strong>the</strong> whole bas<strong>in</strong><br />

and leads to <strong>the</strong> formation of <strong>the</strong><br />

Levant<strong>in</strong>e Intermediate Water (LIW).<br />

Chapter 4, MedCLIVAR book, 2006<br />

Tel Aviv, ISRAEL<br />

MedCLIVAR workshop<br />

19-20 19 20 September 2011<br />

From Lascaratos et al., 1999

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