Temporal and spatial variations of precipitation in Northwest China during 1960-2013
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- 作者：Peng Yanga ; b ; Jun Xiaa ; c ; xiaj@igsnrr.ac.cn" class="auth_mail" title="E-mail the corresponding author ; Yongyong Zhanga ; Si Hongc
- 关键词：Variations ; Precipitation ; Mann-Kendall ; Continuous Wavelet Transform ; Northwest China
- 刊名：Atmospheric Research
- 出版年：2017
- 出版时间：1 January 2017
- 年：2017
- 卷：183
- 期：Complete
- 页码：283-295
- 全文大小：3188 K
文摘
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The precipitation in northwest China had a significantly increasing trend (P < 0.01) for annual rainfall, at a rate of 0.55 mm/a.
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It is not necessarily that while the periodic components have significant trends, the original data also have.
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The drivers from periodic component of original data was different from season to season, and different from area to area.
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Most of the trends, whether positive or negative, started during the mid − 1980s to mid − 1990s.
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The relationships between the precipitation and SST are different for different periodic components and different periods.