ISOTOPIC EXCHANGE BETWEEN CARBON-DIOXIDE AND OZONE VIA O(1D) IN THE STRATOSPHERE

被引：109

作者：

YUNG, YL

DEMORE, WB

PINTO, JP

机构：

[1] CALTECH,JET PROP LAB,PASADENA,CA 91109

[2] US EPA,AREAL,RES TRIANGLE PK,NC 27711

来源：

GEOPHYSICAL RESEARCH LETTERS | 1991年 / 18卷 / 01期

关键词：

D O I：

10.1029/90GL02478

中图分类号：

P [天文学、地球科学];

学科分类号：

07 ;

摘要：

We propose a novel mechanism for isotopic exchange between CO2 and O3 via O(1D) + CO2 --> CO3* followed by CO3* --> CO2 + O(3P). A one-dimensional model calculation shows that this mechanism can account for the enrichment in O-18 in the stratospheric CO2 observed by Gamo et al. [1981]. The implications of this mechanism for other stratospheric species and as a source of isotopically heavy CO2 in the troposphere are briefly discussed.

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页码：13 / 16

页数：4

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