The State of the California Current in 1998-1999: Transition to Cool-Water Conditions
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Authors
Hayward, Thomas L.
Durazo, Reginaldo
Murphree, Tom
Baumgartner, Tim R.
Gaxiola-Castro, Gilberto
Schwing, Franklin B.
Tegner, Mia J.
Checkley, David M.
Hyrenbach, K. David
Mantyla, Arnold W.
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Date of Issue
1999
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Abstract
This report reviews and provides a preliminary interpretation
of recent observations made by CalCOFI
(California Cooperative Oceanic Fisheries Investigations)
and other programs sampling the coastal waters of the
Californias. Since this is a continuation of a series of annual
reports, the emphasis here is upon observations
made during the past 18 months, but longer-term trends
must also be considered. The major change in oceanographic
structure in the past year was the transition from
strong El Niiio conditions in early 1998 to cool-water,
La Nilia conditions in early 1999. Ecosystem structure
also showed large changes during this period. Phytoplankton
abundance during 1998, as indlcated by chlorophyll
concentration, was typical of the values seen during
the last decade, but it appeared to be increasing in early
1999 in association with the transition to cool-water
conditions.
Type
Article
Description
Hayward et al.: The California Current, 1998-1999, CalCOFI Rep., Vol. 40, 1999.
Series/Report No
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Meteorology
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This publication is a work of the U.S. Government as defined in Title 17, United States Code, Section 101. Copyright protection is not available for this work in the United States.