An estimation of ozone flux in a stratosphere-troposphere exchange event

被引:11
|
作者
Cui, H [1 ]
Zhao, CS
Qin, Y
Zheng, XD
Zheng, YG
Chan, CY
Chan, LY
机构
[1] Peking Univ, Dept Atmospher Sci, Sch Phys, Beijing 100871, Peoples R China
[2] Chinese Acad Meteorol Sci, Beijing 100081, Peoples R China
[3] Hong Kong Polytech Univ, Dept Civil & Struct Engn, Hong Kong, Hong Kong, Peoples R China
来源
CHINESE SCIENCE BULLETIN | 2004年 / 49卷 / 02期
基金
中国国家自然科学基金;
关键词
stratosphere-troposphere exchange (STE); tropopause; ozonesonde profiles; ozone flux;
D O I
10.1360/03wd0244
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 new method based on mass fluxes and observed ozone profiles was developed to estimate crosstropopause ozone flux. Using this method, we estimated the cross-tropopause ozone flux in a stratospheric-tropospheric exchange event that occurred over East Asia in March 2001. The result revealed that the ozone flux across the tropopause in this event was an order of magnitude higher than the global and hemispheric average. Compared to the traditional method using a linear relationship between ozone mixing ratio and potential vorticity near the tropopause, the cross-tropopause ozone flux evaluated with ozonesonde data was somewhat higher, although the orders of the two values were the same.
引用
收藏
页码:167 / 174
页数:8
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