Time-mean response over the tropical Pacific to increased CO2 in a coupled ocean-atmosphere model

T. R. Knutson, S. Manabe

Research output: Contribution to journalArticle

305 Scopus citations

Abstract

The time-mean response over the tropical Pacific region to a quadrupling of CO2 is investigated using a global coupled ocean-atmosphere general circulation model. Tropical Pacific sea surface temperatures (SSTs) rise by about 4°-5°C. The zonal SST gradient along the equator decreases by about 20%, although it takes about one century for this change to become clearly evident in the model. Over the central equatorial Pacific, the decreased SST gradient is accompanied by similar decreases in the easterly wind stress and westward ocean surface currents and by a local maximum in precipitation increase. -from Authors

Original languageEnglish (US)
Pages (from-to)2181-2199
Number of pages19
JournalJournal of Climate
Volume8
Issue number9
DOIs
StatePublished - Jan 1 1995

All Science Journal Classification (ASJC) codes

  • Atmospheric Science

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