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Production of O(^1D) from photolysis of O_3

Michelsen, H. A. and Salawitch, R. J. and Wennberg, P. O. and Anderson, J. G. (1994) Production of O(^1D) from photolysis of O_3. Geophysical Research Letters, 21 (20). pp. 2227-2230. ISSN 0094-8276.

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We have used a model accounting for absorption by vibrationally and rotationally excited ozone (O_3) to examine published measurements of the quantum yield of O(^¹D) and O_2(^¹Δ_g) from O_3 photolysis in the Huggins band (305–325 nm). We conclude that the quantum yield of O(^¹D) is 0.2–0.3 for wavelengths between 312 and 320 nm at 298 K; in contrast, the JPL recommended quantum yield of O(^¹D) is negligible in this wavelength region. We present a compilation of our results at temperatures and wavelengths relevant to atmospheric calculations. Production of O(^¹D) from excited O_3 increases calculated concentrations of O(^¹D) by up to 40% and OH by 15% for the troposphere and lower stratosphere.

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Wennberg, P. O.0000-0002-6126-3854
Alternate Title:Production of O(1D) from photolysis of O3
Additional Information:© 1994 American Geophysical Union. Received March 30, 1994; last revised July 8, 1994; accepted July 27, 1994. Paper number 94GL02052. We thank the National Science Foundation for support of H. A. Michelsen through an NSF Postdoctoral Fellowship.
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NSF Postdoctoral FellowshipUNSPECIFIED
Issue or Number:20
Record Number:CaltechAUTHORS:20140703-100410118
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:46804
Deposited By: Ruth Sustaita
Deposited On:03 Jul 2014 17:30
Last Modified:03 Oct 2019 06:46

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