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Science 16 September 1977:
Vol. 197. no. 4309, pp. 1179 - 1181
DOI: 10.1126/science.197.4309.1179
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Articles

Long Waves in the Eastern Equatorial Pacific Ocean: A View from a Geostationary Satellite

RICHARD LEGECKIS 1

1 National Environmental Satellite Service, National Oceanic and Atmospheric Administration, Washington, D.C. 20233

During 1975, westward-moving long waves with a period of about 25 days and a wavelength of 1000 kilometers were observed at a sea surface temperature front in the equatorial Pacific on infrared images obtained by a geostationary environmental satellite system. The absence of these waves during 1976, and the above-average equatorial sea surface temperatures during 1976, may be related to a decrease in the southeasterly trade winds during that year.

Submitted on October 22, 1976
Revised on March 29, 1977


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Science. ISSN 0036-8075 (print), 1095-9203 (online)