IMPACT OF RECENT TOTAL OZONE CHANGES ON TROPOSPHERIC OZONE PHOTODISSOCIATION, HYDROXYL RADICALS, AND METHANE TRENDS

被引：76
|
作者：
MADRONICH, S
GRANIER, C
机构：
来源：
GEOPHYSICAL RESEARCH LETTERS | 1992年 / 19卷 / 05期
关键词：
D O I：
10.1029/92GL00378
中图分类号：
P [天文学、地球科学];
学科分类号：
07 ;
摘要：
Trends in total atmospheric ozone from 1979-1989 were analyzed to derive die corresponding changes in the tropospheric photodissociation rate coefficient J1 for the reaction 03 + h-nu (lambda < 330 nm) --> O2 + O(1D). Zonally and annually integrated trends in J1 are +3.8 +/- 2.9% per decade in the Northern hemisphere and +4.1 +/- 2.7% per decade in the Southern hemisphere. Changes in [OH] due to the J1 trends may have contributed to the slowing of atmospheric methane increases observed in recent years.
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页码：465 / 467
页数：3
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