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Influence of the 1997–98 El Niño on the surface chlorophyll in the California Current
Author(s) -
Kahru Mati,
Mitchell B. Greg
Publication year - 2000
Publication title -
geophysical research letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.007
H-Index - 273
eISSN - 1944-8007
pISSN - 0094-8276
DOI - 10.1029/2000gl011486
Subject(s) - upwelling , eutrophication , chlorophyll a , environmental science , oceanography , current (fluid) , chlorophyll , submarine pipeline , photic zone , nitrogen , phytoplankton , nutrient , geology , chemistry , ecology , biology , botany , organic chemistry
Satellite‐derived time series for the California Current System (CCS) showed marked changes in the surface chlorophyll a concentration (Chl, mg m −3 ) associated with the 1997–98 El Niño. In addition to the previously known decrease in Chl off Southern California (Fiedler, 1984), we also observed a significant increase of Chl off Baja California. Whereas the extent of eutrophic (Chl >1.0) areas decreased throughout the CCS, the extent of mesotrophic areas (0.2