Climate change features along the Brahmaputra Valley in the past 26 years and possible causes

被引:13
|
作者
Song, Minhong [1 ]
Ma, Yaoming [2 ]
Zhang, Yu [1 ]
Li, Maoshan [1 ]
Ma, Weiqiang [1 ]
Sun, Fanglin [1 ]
机构
[1] Chinese Acad Sci, Cold & Arid Reg Environm & Engn Res Inst, Lanzhou 730000, Peoples R China
[2] Chinese Acad Sci, Inst Tibetan Plateau Res, Beijing 100085, Peoples R China
基金
中国国家自然科学基金;
关键词
TRENDS; TEMPERATURE; EXTREMES;
D O I
10.1007/s10584-010-9950-2
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
Through analyzing the changes of averaged temperature and precipitation along the Brahmaputra Valley from 1980 to 2005, and investigating the correlation between atmospheric circulation indices and these changes, the respondence of the Brahmaputra Valley to the global warming had been analyzed in this paper. It is found that the Brahmaputra Valley climate became warmer and wetter from 1980 to 2005, and the change magnitude is higher than that over the whole Tibetan Plateau. Therefore, the respondence of the Brahmaputra valley to the global warming is more evident than that of the whole plateau during the period. The relationship between atmospheric circulation indices and the regional climate change is significant. When North Atlantic Oscillation index is higher in summer, the climate of the Brahmaputra Valley becomes warmer and dryer; vice versa. When South Oscillation index is higher, it becomes warmer and wetter; vice versa.Worthy of note, the results in this study only emphasize some evidence of change in temperature and precipitation over the Brahmaputra Valley during 1980-2005.
引用
收藏
页码:649 / 660
页数:12
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