A microphysical connection among biomass burning, cumulus clouds, and stratospheric moisture

被引：84
作者：
Sherwood, S [1 ]
机构：
[1] Yale Univ, Dept Geol & Geophys, New Haven, CT 06520 USA
来源：
SCIENCE | 2002年 / 295卷 / 5558期
关键词：
D O I：
10.1126/science.1065080
中图分类号：
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号：
07 ; 0710 ; 09 ;
摘要：
A likely causal chain is established here that connects humidity in the stratosphere, relative humidity near the tropical tropopause, ice crystal size in towering cumulus clouds, and aerosols associated with tropical biomass burning, The connections are revealed in satellite-observed fluctuations of each quantity on monthly to yearly time scales. More aerosols lead to smaller ice crystals and more water vapor entering the stratosphere. The connections are consistent with physical reasoning, probably hold on longer time scales, and may help to explain why stratospheric water vapor appears to have been increasing for the past five decades.
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收藏
页码：1272 / 1275
页数：4
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