Coastal upwelling viewed as a stochastic phenomenon.

J. A. Carton, S. G.H. Philander

Research output: Contribution to journalArticle

4 Scopus citations

Abstract

Four years of winds from the northeastern Pacific are used to drive a reduced gravity ocean model which includes a high resolution eastern coastal zone that spans 17 DEGREE longitude and 30 DEGREE latitude. Spectra of the alongshore velocity and interface height, measured in the coastal zone, are red to 100 day periods. At periods less than 50 days, 1) the circulation is strongly trapped within a radius of deformation of the coast and 2) the alongshore current is well correlated with the alongshore current is well correlated with the alongshore wind stress. At periods longer than 50 days, wind stress curl becomes important. The alongshore pressure gradient becomes well correlated with the alongshore wind stress. Much of the ocean variability is at periods longer than 10 days. At periods longer than 100 days the alongshore currents begin to weaken and disperse away from the eastern boundary in a series of jets alternating northward and southward. (A)

Original languageEnglish (US)
JournalJournal of Physical Oceanography
Volume14
Issue number9 , Sep. 1984, p.1499-1509.
DOIs
StatePublished - 1984

All Science Journal Classification (ASJC) codes

  • Oceanography

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