© 2004 International Council for the Exploration of the Sea
Ecosystem indicators derived from satellite remotely sensed oceanographic data for the North Pacific
Ecosystem and Oceanography Division, Pacific Island Fisheries Science Center, NOAA Fisheries 2570 Dole Street, Honolulu HI 96822-2396, USA
*Correspondence to J. J. Polovina: tel: +1 808 983 5301; fax: +1 808 983 2901. e-mail: Jeffrey.Polovina{at}noaa.gov.
Satellite remotely sensed oceanographic data provide reliable global ocean coverage of sea surface temperature, sea surface height, surface winds, and ocean colour, with relatively high spatial and temporal resolution. We illustrate approaches to use these data to construct indicators that describe aspects of ecosystem dynamics in the North Pacific. Specifically, altimetry data are used to construct regional indicators of the ocean vertical structure, ocean colour data to describe the temporal chlorophyll dynamics of the coastal zone, ocean colour, sea surface temperature, and altimetry data to develop indices of biologically important ocean features, and finally altimetry data to drive a larval transport model and develop an index of larval retention. Recent changes in the North Pacific based on these indices are discussed.
Keywords: altimetry, ecosystem indicators, empirical orthogonal function, ocean colour, satellite oceanography, sea surface temperature
Received 1 April 2004; accepted 27 July 2004.
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