Physics
Scientific paper
Mar 1992
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992georl..19..465m&link_type=abstract
Geophysical Research Letters (ISSN 0094-8276), vol. 19, March 3, 1992, p. 465-467. Research supported by Gas Research Institute.
Physics
38
Atmospheric Chemistry, Atmospheric Composition, Hydroxyl Radicals, Methane, Ozone Depletion, Photodissociation, Troposphere, Reaction Kinetics, Spatial Distribution
Scientific paper
Trends in total atmospheric ozone from 1979-1989 were analyzed to derive the corresponding changes in the tropospheric photodissociation rate coefficient J1 for the reaction O3 + h nu (lambda less than 330 nm) - O2 + O(1D). Zonally and annually integrated trends in J1 are +3.8 +/- 2.9 percent per decade in the Northern Hemisphere and +4.1 +/- 2.7 percent per decade in the Southern Hemisphere. Changes in (OH) due to the J1 trends may have contributed to the slowing of atmospheric methane increases observed in recent years.
Granier Claire
Madronich Sasha
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