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Thermal patterns with the appearance of cyclonic motion and sharp thermal fronts frequently are seen in satellite IR images off the California coast near Pt. Sur. These thermal patterns are associated with distinctly structured upwelling systems. In nine seasonal cruises since December 1978, nutrient fronts are strongly correlated with thermal fronts. However, an upwelling which is well defined by the satellite detected thermal front, may not be nutrient rich. A strong inverse linear correlation between nutrients and temperature though does exist for upwelling within an early stage of development. It is feasible, by utilizing limited in situ data, to infer nutrient distribution within satellite detected, surface thermal patterns associated with upwelling. http://archive.org/details/nutrientstudyofm1094517647 Lieutenant, United States Coast Guard Approved for public release; distribution is unlimited. |
