期刊
JOURNAL OF PHYSICAL CHEMISTRY A
卷 113, 期 42, 页码 11227-11237出版社
AMER CHEMICAL SOC
DOI: 10.1021/jp905524e
关键词
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资金
- CNES
- Fondation Louis D. de l'Institut de France
- PRES UniverSud-Paris [2008-53]
- U.S. National Science Foundation (NSF-CRC) [CHE-0627854]
- French Programme National de Plandtologic
The predictivity of photochemical models of Titan's atmosphere depends strongly on the precision and accuracy of reaction rates. For many reactions, large uncertainty results from the extrapolation of rate laws to low temperatures. A few reactions have been measured directly at temperatures relevant to Titan's atmosphere. In the present study, we observed the consequences of the reduced uncertainty attributed to these reactions. The global predictivity of the model was improved, i.e., most species are predicted with lower uncertainty factors. Nevertheless, high uncertainty factors are still observed, and a new list of key reactions has been established.
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