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SVD Analysis between the ANNUALLY FIRST RAINING Period Precipitation in the South of China And The SST Over Offshore Waters in China
Author(s): 
Pages: 241-245
Year: Issue:  2
Journal: Journal of Tropical Meteorology

Keyword:  华南前汛期降水异常海温异常SVD分析;
Abstract: 利用国家气象局整编的中国160站月降水资料和英国气象局的全球逐月海温格点资料,分析了华南前汛期降水的异常特征,并用SVD方法分析华南前汛期降水与近海海温的关系.结果表明:近50年华南南部前汛期降水的总的趋势变化不明显.华南南部前汛期降水异常存在3 a、5 a、7 a和14 a的周期;用SVD方法分析发现:存在一个关键区(130~158 °E,5~18 °N),华南前汛期降水异常关键影响时段是前一年5-8月,华南前汛期降水与该关键区海温有较好的负相关关系,即前一年5~8月关键区海温异常偏高(低),次年华南前汛期降水偏少(多).
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