Title: Titan's atmospheric haze: the case for HCN incorporation
Abstract: It is suggested that the incorporation of HCN in Ti- tan's atmospheric haze may be an important process affecting the HCN profile and the C/N ratio in Titan's haze. By introduc- ing a loss to the haze term for HCN (i.e. a production term of poly-HCN) in the photochemical model of Lara et al. (1996), we have improved the model's ability to simultaneously repro- duce the observed HCN and C2 hydrocarbon profiles in Titan's lower stratosphere. The loss rate of HCN by this process may be a few times 10 8 cm 2 s 1 . The calculated C/N ratio in the haze, assuming that the haze is primarily produced from C6H2 ,C 8H2 and poly-HCN, is approximately equal to 2, in agreement with the composition of laboratory tholin analogues.
Publication Year: 1999
Publication Date: 1999-01-01
Language: en
Type: article
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Cited By Count: 37
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