Application of Satellites to Chemical Oceanography
Traganza, Eugene D.
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Of the sensors now on satellites, none has been directly useful to chemical oceanography; however, concentrations of any chemical species that covary with temperature can be inferred from satellite measurements of temperature. This relationship is illustrated with satellite IR imagery off central California where large-scale changes in physical, chemical, and biological properties can occur and are frequently focused along frontal boundaries of upwelling systems. High inverse correlations of temperature with normally nonconservative plant nutrients, nitrate and phosphate, are used to calibrate satellite IR images as chemical maps yielding standard deviations of 14 and 7%, respectively. Chemical maps with satellite-derived maps of chlorophyll reveal a regional relationship between phytoplankton and chemical structure in the California coastal zone and the importance of chemical fronts as sites of chemical exchange and primary production.
The article of record as published may be found at http://dx.doi.org/10.1021/ba-1985-0209.ch019
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