Other
Scientific paper
Oct 1992
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992georl..19.1955e&link_type=abstract
Geophysical Research Letters (ISSN 0094-8276), vol. 19, no. 19, p. 1955-1958.
Other
15
Air Water Interactions, Atmospheric General Circulation Models, Carbon Monoxide, Three Dimensional Models, Trace Contaminants, Troposphere, Atmospheric Composition, High Resolution, Transport Properties
Scientific paper
Attention is given to the differences between a 3-D global atmospheric CO transport model run with a homogeneous ocean-to-atmosphere CO flux (35 Tg CO/yr), and a larger spatially and temporally varying ocean CO flux (153 Tg CO/yr). The model sensitivity calculations show that the ocean can account for between 5-50 percent of the total surface level atmospheric CO pool, over large areas of the Northern and Southern Hemisphere oceans. Oceanic CO fluxes to the atmosphere are important in both hemispheres, with a greater relative influence occurring in the Southern Hemisphere. Seasonal cycle calculations indicate that area-weighted CO concentrations in the remote Southern and Northern Hemisphere marine troposphere are most heavily influenced by the ocean source during summer months. The main source of CO in surface ocean waters is thought to be photochemical oxidation of organic matter. Any climate related changes in surface radiative fluxes, due to ozone depletion or other processes, may alter surface ocean CO concentrations and by implication atmospheric marine boundary layer CO, OH and O3 abundance.
Erickson David J. III
Taylor John A.
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