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Altimeter observations of the Peru-Chile countercurrent Public Deposited

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  • Data from Geosat and TOPEX altimeters are used to infer the structure of the Peru-Chile Countercurrent, a jet that flows from at least as far north as 10ºS (historical data suggests 7ºS) to 35º–40ºS, maintaining its position between approximately 100–300 km offshore. Although the annual mean current cannot be determined from altimeter observations, the nearly antisymmetric patterns in spring and fall, combined with historical observations, suggest that the countercurrent is poleward at most times and is maximum in spring and minimum in fall. Previous studies have linked the offshore countercurrent at 7ºS to the Equatorial Undercurrent west of the Galapagos Islands, suggesting that the countercurrent is part of a continuous flow that extends from the western equatorial Pacific to the region off Chile between 35º–40ºS.
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  • Strub, P. T., Mesias, J. M. , and James, C. , 1995, Satellite observations of the Peru-Chile countercurrent: Geophys. Res. Lett., v. 22, p. 211-214.
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  • 22
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  • 3
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  • This work was supported by funding from grant 958128 from the Jet Propulsion Laboratory and grant NAGW-2475 and NAF-5-30553 from NASA.
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  • description.provenance : Made available in DSpace on 2010-04-01T16:12:44Z (GMT). No. of bitstreams: 1 Strub et al GRL 1995.pdf: 438730 bytes, checksum: 88aeec556e874a7d5146b9926da8f94c (MD5) Previous issue date: 1995-02-01
  • description.provenance : Submitted by Linda Lamb (llamb@coas.oregonstate.edu) on 2010-03-30T19:24:52Z No. of bitstreams: 1 Strub et al GRL 1995.pdf: 438730 bytes, checksum: 88aeec556e874a7d5146b9926da8f94c (MD5)
  • description.provenance : Approved for entry into archive by Linda Kathman(linda.kathman@oregonstate.edu) on 2010-04-01T16:12:44Z (GMT) No. of bitstreams: 1 Strub et al GRL 1995.pdf: 438730 bytes, checksum: 88aeec556e874a7d5146b9926da8f94c (MD5)
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  • 0094-8276

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