On the Vertical Structure of Velocity in the Eastern Equatorial Pacific

S. P. Hayes NOAA Pacific Marine Environmental Laboratory, Seattle, WA 98195

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H. B. Milburn NOAA Pacific Marine Environmental Laboratory, Seattle, WA 98195

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Abstract

We report observations of the vertical structure of horizontal currents on the equator at 110°W in the eastern Pacific Ocean. Profiles indicate high, vertical-mode, deep currents with zonal velocities of up to 20 cm s−1 at a depth of 1500 m. The general similarity between our measurements and those reported in other equatorial regions suggest that such vertical structure is a ubiquitous equatorial phenomenon.

Abstract

We report observations of the vertical structure of horizontal currents on the equator at 110°W in the eastern Pacific Ocean. Profiles indicate high, vertical-mode, deep currents with zonal velocities of up to 20 cm s−1 at a depth of 1500 m. The general similarity between our measurements and those reported in other equatorial regions suggest that such vertical structure is a ubiquitous equatorial phenomenon.

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