The vertical structure of ocean heat transport

G. Boccaletti, R. Ferrari, A. Adcroft, D. Ferreira, J. Marshall

Research output: Contribution to journalArticlepeer-review

77 Scopus citations

Abstract

One of the most important contributions the ocean makes to Earth's climate is through its poleward heat transport: about 1.5 PW or more than 30% of that accomplished by the ocean-atmosphere system (Trenberth and Caron, 2001). Recently, concern has arisen over whether global warming could affect this heat transport (Watson et al., 2001), for example, reducing high latitude convection and triggering a collapse of the deep overturning circulation (Rahmstorf, 1995). While the consequences of abrupt changes in oceanic circulation should be of concern, we argue that the attention devoted to deep circulations is disproportionate to their role in heat transport. For this purpose, we introduce a heat function which identifies the contribution to the heat transport by different components of the oceanic circulation. A new view of the ocean emerges in which a shallow surface intensified circulation dominates the poleward heat transport.

Original languageEnglish (US)
Pages (from-to)1-4
Number of pages4
JournalGeophysical Research Letters
Volume32
Issue number10
DOIs
StatePublished - May 28 2005

All Science Journal Classification (ASJC) codes

  • Geophysics
  • General Earth and Planetary Sciences

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