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Coastal upwelling air-sea fluxes revealed in atmospheric observations of O2/N2, CO2 and N2O
Scripps Institution of Oceanography, University of California, San Diego, La Jolla, California, USA
Scripps Institution of Oceanography, University of California, San Diego, La Jolla, California, USA
Scripps Institution of Oceanography, University of California, San Diego, La Jolla, California, USA
Scripps Institution of Oceanography, University of California, San Diego, La Jolla, California, USA
Scripps Institution of Oceanography, University of California, San Diego, La Jolla, California, USA
Scripps Institution of Oceanography, University of California, San Diego, La Jolla, California, USA
Ocean Climate Laboratory, National Oceanic Data Center, National Oceanic and Atmospheric Administration, Silver Spring, Maryland, USA
We capture water column ventilation resulting from coastal upwelling in continuous records of O2/N2, CO2, and N2O at Trinidad, California. Our records reveal the gas exchange response time of the ocean to the upwelling and ensuing biological production. Satellite and buoy wind data allow extrapolation of our records to assess coastal upwelling air-sea fluxes of O2 and N2O. We improve on previous regional estimates of N2O flux in coastal and continental shelf region of the western U.S. We characterize the source of N2O as being predominately from nitrification based on the O2/N2O emissions ratio observed in our atmospheric records.
Published 21 March 2003.
Citation: (2003), Coastal upwelling air-sea fluxes revealed in atmospheric observations of O2/N2, CO2 and N2O, Geophys. Res. Lett., 30(6), 1292, doi:10.1029/2002GL016615.
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