VERBI VEnice Research BIbliography
VERBI VEnice Research BIbliography |
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Ashkenazy, Y., & Stone, P. H. (2002). Box modeling of the eastern mediterranean sea. Scientific Research and Safeguarding of Venice, Corila Research Program 2001 Results, I, 151–160.
Added by: Dott. Alessandro Meggiato (28/05/2014 16:19:29) |
| Tipo di Risorsa: Articolo di Rivista Chiave di citazione BibTeX: Ashkenazy2002 Invia la risorsa per email ad un amico View all bibliographic details  |
Categorie: General Keywords: cambiamenti climatici, extend abstract corila, processi ambientali - Environmental Processes Creatori: Ashkenazy, Stone Collezione: Scientific Research and Safeguarding of Venice, Corila Research Program 2001 Results |
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| Abstract |
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The thermohaline circulation, i.e., the combined heat-salinity driven deep ocean circulation, plays an important role in understanding climate dynamics and climate instability. Recently, a new source of deep water formation in the Eastern Mediterranean was found in the southern part of the Aegean sea. Till then, the only source of deep water formation in the Eastern Mediterranean was in the Adriatic sea; the rate of the deep water formation of the new Aegean source is three times larger then the Adriatic source. We develop a simple 3 box-model to study the stability of the thermohaline circulation of the Eastern Mediterranean sea. The 3 boxes represent the Adriatic sea, Aegean sea, and the Ionian sea. The boxes exchange heat and salinity and may be described by a set of nonlinear differential equations. We analytically analyze these equations and find that the system may have one, two, or four stable flux states. We also find that under certain perturbations (e.g., extreme change in precipitation or/and temperature) the system can form a new state similar to the new one with the Aegean water source. We study the stability of the four stable states and give their basins of attraction.
Added by: Dott. Alessandro Meggiato |