Evidence for a 40–60 Day Oscillation over the Western Indian Ocean during 1976 and 1979

G. J. Mertz Department of Oceanography, University of British Columbia, Vancouver, B.C., Canada V6T IW5

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L. A. Mysak Department of Oceanography, University of British Columbia, Vancouver, B.C., Canada V6T IW5

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Abstract

Surface wind data for the western region of the Indian Ocean was collated at the University of Miami, in support of certain FGGE/INDEX/MONEX projects, and published in two technical reports by Fernandez-Partagas and Düing and Fernandez-Partagas et al. Data from these reports have been analyzed to show that the 40–50 day oscillation detected in the tropics by Madden and Julian was also present over the Western Indian Ocean during 1976 and 1979.

Abstract

Surface wind data for the western region of the Indian Ocean was collated at the University of Miami, in support of certain FGGE/INDEX/MONEX projects, and published in two technical reports by Fernandez-Partagas and Düing and Fernandez-Partagas et al. Data from these reports have been analyzed to show that the 40–50 day oscillation detected in the tropics by Madden and Julian was also present over the Western Indian Ocean during 1976 and 1979.

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