Interannual and interdecadal variability of winter precipitation over china in relation to global sea level pressure anomalies

被引：1

作者：

Jianjun Xu

Johnny C. L. Chan

机构：

[1] City University of Hong Kong,Department of Physics & Materials Science

[2] New Mexico Tech,Dr. Jianjun Xu, Department of Earth & Environmental Science

来源：

Advances in Atmospheric Sciences | 2002年 / 19卷

关键词：

wavelet transform; winter precipitation; China; SLP;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

Based on the method of rotated principal component (RPC) analysis and wavelet transforms, the winter precipitation from 36 stations over China for the period 1881-1993 is examined. The results show that the three leading space-time modes correspond, in sequence, to winter rainfall anomalies over the reaches of the Yangtze River, the bend of the Yellow River, and the northeastern region of China. The three modes exhibit interannual oscillations with quasi-biennial and 8-year periods as well as interdecadal oscillations with 16- and 32-year periods. The interannual oscillation (< 10 years) occurs in phase over the different areas, and its maximum amplitude migrates northward considerably with prominent interdecadal variations. However, the interdecadal oscillations (10-32 years) are out of phase over the different regions, and the amplitude variations have the characteristics of stationary waves.

引用

页码：914 / 926

页数：12

共 36 条

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