Quattrocchi, Giovanni (2010) A model study of the wind-driven and intrinsic variability of the Atlantic Ocean. [Tesi di dottorato] (Inedito)

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Tipologia del documento: Tesi di dottorato
Lingua: English
Titolo: A model study of the wind-driven and intrinsic variability of the Atlantic Ocean
Autori:
AutoreEmail
Quattrocchi, Giovannigiovanni.quattrocchi@uniparthenope.it
Data: 29 Novembre 2010
Numero di pagine: 140
Istituzione: Università degli Studi di Napoli Federico II
Dipartimento: Scienze della Terra
Scuola di dottorato: Scienze della Terra
Dottorato: Scienze e ingegneria del mare
Ciclo di dottorato: 23
Coordinatore del Corso di dottorato:
nomeemail
Incoronato, Albertoalberto.incoronato@unina.it
Tutor:
nomeemail
Pierini, Stefanostefano.pierini@uniparthenope.it
Data: 29 Novembre 2010
Numero di pagine: 140
Parole chiave: Wind-driven; intrinsic variability; Model; Atlantic Ocean;
Settori scientifico-disciplinari del MIUR: Area 04 - Scienze della terra > GEO/12 - Oceanografia e fisica dell'atmosfera
Informazioni aggiuntive: Il dottorato e' cofinanziato dall' Universita' di Napoli Parthenope Il prof. H. A. Dijkstra e' co-tutor, esterno alla scuola di dottorato
Depositato il: 09 Dic 2010 09:41
Ultima modifica: 30 Apr 2014 19:44
URI: http://www.fedoa.unina.it/id/eprint/8122
DOI: 10.6092/UNINA/FEDOA/8122

Abstract

Model studies of the large-scale oceanic variability are presented in this thesis. The North Atlantic Ocean is the basin under investigation and the tropical and mid-latitude regions are considered separately. The adopted model is based on the nonlinear primitive equations in the shallow water, reduced-gravity approximation in the presence of schematic coastlines that mimic with some degree of realism the real continental boundaries. This approach has the advantage of allowing for the identification of basic dynamical mechanisms and, to some extent, also for direct comparison with observational data. The studies of the low- and mid-latitude North Atlantic Ocean are aimed at analyzing the directly wind-driven and intrinsically generated variability, respectively. More precisely, in the tropical region, the model is forced by a time-dependent wind field obtained by ECMWF data, that will induce a variable oceanic signal due to both the local response to Ekman pumping and the non-local response associated with the activation of teleconnection mechanisms. On the other hand, in the mid-latitude model the forcing will be provided by a time-independent climatological wind stress field, so that one can be sure that all the low-frequency variability produced by the model is to be accounted for non-linear mechanisms internal to the ocean system.

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