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Global synchrony of an accelerating rise ...
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Document type :
Article dans une revue scientifique
DOI :
10.1017/s0025315412000549
Title :
Global synchrony of an accelerating rise in sea surface temperature
Author(s) :
Reid, P.C. [Auteur]
Beaugrand, Gregory [Auteur]
Laboratoire d’Océanologie et de Géosciences (LOG) - UMR 8187 [LOG]
Journal title :
Journal of the Marine Biological Association of the UK
Pages :
1435-1450
Publisher :
Cambridge University Press (CUP)
Publication date :
2012-07-02
ISSN :
0025-3154
HAL domain(s) :
Planète et Univers [physics]/Sciences de la Terre/Océanographie
English abstract : [en]
The oceans have shown a recent rapid and accelerating rise in temperature with, given the close link between temperature and marine organisms, pronounced effects on ecosystems. Here we describe for the first time a globally ...
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The oceans have shown a recent rapid and accelerating rise in temperature with, given the close link between temperature and marine organisms, pronounced effects on ecosystems. Here we describe for the first time a globally synchronous pattern of pulsed short period (~1 year long) emanations of warm sea surface temperature anomalies from tropical seas towards the poles on the shelf/slope with an intensification of the warming after the 1976/1977, 1986/1987 and 1997/1998 El Niños. On the eastern margins of continents the anomalies propagate towards the poles in part by largely baroclinic boundary currents, reinforced by regional atmospheric warming. The processes contributing to the less continuous warm anomalies on western margins are linked to the transfer of warmth from adjacent western boundary currents. These climate induced events show a close parallelism with the timing of ecosystem changes in shelf seas, important for fisheries and ecosystem services, and melting of sea-iceShow less >
Language :
Anglais
Peer reviewed article :
Oui
Audience :
Internationale
Popular science :
Non
Collections :
  • Laboratoire d'Océanologie et de Géosciences (LOG) - UMR 8187
Source :
Harvested from HAL
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