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Chemical Sources and Sinks of OCS in the Lower Atmosphere of Venus

Chemical Sources and Sinks of OCS in the Lower Atmosphere of Venus. Yuk L. Yung M. C. Liang, California Institute of Technology yly@gps.caltech.edu EGU Meeting 2008. HIGHLIGHTS. Photosensitized dissociation of OCS via polysulfur photochemistry provides additional loss of OCS

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Chemical Sources and Sinks of OCS in the Lower Atmosphere of Venus

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  1. Chemical Sources and Sinks of OCS in the Lower Atmosphere of Venus Yuk L. Yung M. C. Liang, California Institute of Technology yly@gps.caltech.edu EGU Meeting 2008

  2. HIGHLIGHTS • Photosensitized dissociation of OCS via polysulfur photochemistry provides additional loss of OCS • Total source of OCS is 23,000 Tg- S/yr [Earth = 10 Tg-S/yr]; if volcanic, it implies ~1,000 times volcanic activities on Earth • Yung, Y. L., M. C. Liang, X. Jiang, C. Lee, B. Bezardand E. Marcq. (2008). “Modeling the Distribution of OCS in the Lower Atmosphere of Venus”, J.Geophys. Res., Submitted

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