Seasonal trends in stratospheric water vapour

被引：32

作者：

Smith, CA ^{[1
]}

Toumi, R ^{[1
]}

Haigh, JD ^{[1
]}

机构：

[1] Univ London Imperial Coll Sci Technol & Med, Dept Phys, London SW7 2BZ, England

来源：

GEOPHYSICAL RESEARCH LETTERS | 2000年 / 27卷 / 12期

关键词：

D O I：

10.1029/1999GL011160

中图分类号：

P [天文学、地球科学];

学科分类号：

07 ;

摘要：

Published analyses of HALOE water vapour data have shown an increase in stratospheric water vapour. Here the latest version of the data has been analysed for trends from Jan 1992 to April 1999. This shows an increase in stratospheric water vapour over this period although in the past few years the magnitude of the trend appears to have decreased. A seasonal analysis suggests that large increases in upper tropospheric water vapour in autumn are the source for the stratospheric increases. An analysis of trends in the seasonal amplitude supports this. It is suggested that an increase in the extremity of the Asian monsoon over Indonesia could be responsible.

引用

页码：1687 / 1690

页数：4

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