Coastal upwelling air-sea fluxes revealed in atmospheric observations of O2/N2, CO2 and N2O -: art. no. 1292

被引：43
|
作者：
Lueker, TJ [1 ]
Walker, SJ
Vollmer, MK
Keeling, RF
Nevison, CD
Weiss, RF
Garcia, HE
机构：
[1] Univ Calif San Diego, Scripps Inst Oceanog, La Jolla, CA 92093 USA
[2] NOAA, Natl Ocean Data Ctr, Ocean Climate Lab, Silver Spring, MD USA
来源：
GEOPHYSICAL RESEARCH LETTERS | 2003年 / 30卷 / 06期
关键词：
D O I：
10.1029/2002GL016615
中图分类号：
P [天文学、地球科学];
学科分类号：
07 ;
摘要：
[1] We capture water column ventilation resulting from coastal upwelling in continuous records of O-2/N-2, 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 O-2 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 O-2/N2O emissions ratio observed in our atmospheric records.
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页数：4
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