Antartide Temperature


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La natura dell'Antartide


La natura dell'Antartide

Author: Marcello Manzoni

language: it

Publisher: Springer Science & Business Media

Release Date: 2006-01-16


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Questo libro è un'esposizione naturalistico divulgativa sui grandi temi naturali dell'Antartide: l'evoluzione della crosta terrestre, i processi dello spazio planetario e dell'alta atmosfera, la meteorologia e il clima, l'oceano e i mari, i ghiacci marini, la grande calotta glaciale che copre il continente, le ere glaciali, gli ecosistemi nei mari polari, l'affermazione della vita in condizioni estreme. Una parte è dedicata alle preoccupanti modificazioni ambientali in cui l'Antartide svolge un ruolo chiave: il riscaldamento dell'atmosfera terrestre, l'eventuale prossima fusione di volumi significativi dei ghiacci antartici, la distruzione dell'ozono nella stratosfera polare, i rischi dello sfruttamento delle risorse naturali antartiche, la contaminazione dell'ambiente polare e globale. Il collegamento fra tutti i temi è svolto dalla disciplina territoriale per eccellenza, quella che descrive ed organizza gli spazi e gli ambienti terrestri: la geografia.

Antarctic Journal of the United States


Antarctic Journal of the United States

Author:

language: en

Publisher:

Release Date: 1997


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Oceanography of the Ross Sea Antarctica


Oceanography of the Ross Sea Antarctica

Author: Giancarlo Spezie

language: en

Publisher: Springer Science & Business Media

Release Date: 2012-12-06


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The era of the exploration of the World Ocean is not yet over: some areas still lack an adequate number of observations. The relationships between the physical, chemical and biological processes, which sustain the life on this planet, are not yet fully understood. In short, knowledge of the oceans is still far from satisfactory. This book covers an important period in the study of one of the last investigated areas of the World Ocean: the Ross Sea, Antarctica. During the 1990s, long-term experiments were conducted in this area as part of the Climatic Long-term Interaction for the Mass balance in Antarctica (CLIMA) project of the Italian National Programme for Antarctic Research (PNRA), providing a wealth of oceanographic information. This book is an outcome of the CLIMA field obser vations and international collaborations with the most important programmes in the Ross Sea-Southern Ocean area. It contributes to the st!ldies of the spatial and temporal variability of Ross Sea water masses and circulation and their relation ship with the Southern Ocean circulation. A comprehensive review of historical data is offered, and new data sets are analysed. The studies presented in this book show that much progress has been achieved during the last decade, but large gaps in our understanding of the physical processes in the Ross Sea are still to be filled. However, these studies contribute significantly to the investigation of some specific aspects regarding the circula tion of the main water masses.