| 我国夏季降水类型初探 |
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| 引用本文： | 李鸾. 我国夏季降水类型初探[J]. 农业科学与技术, 2008, 9(1): 150-156 |
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| 作者姓名： | 李鸾 |
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| 作者单位： | [1]南京大学大气科学系,江苏南京210093 [2]安徽省芜湖市气象局,安徽芜湖241000 |
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| 摘 要： | 笔者利用经验正交函数（EOF）法对夏季降水资料进行分析，研究其时空分布规律，探讨雨型分布，并进一步研究我国夏季降水的年际变化和年代际变化，为后续研究奠定基础。
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| 关 键 词： | 夏季 降水类型 正交函数 年际变化 |
Preliminary Studies on Summer Precipitation Patterns in China |
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| LI Luan. Preliminary Studies on Summer Precipitation Patterns in China[J]. Agricultural Science ＆ Technology, 2008, 9(1): 150-156 |
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| Authors: | LI Luan |
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| Affiliation: | LI Luan (1.Department of Atmospheric Science, Nanjing University, Nanjing 210008; 2. Wuhu Weather Bureau of Anhui Province, Wuhu 241000) |
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| Abstract: | [Objective]Study on the spatial distribution of summer precipitation patterns and interannnal and interdacadal variability.[Method]The summer precipitation patterns were obtained from standard field of summer precipitation data for 160 observation stations in China during 1951-2000 by the utilization of empirical orthogonal function(EOF),and characteristics of interannual and interdecadal variability were analyzed.[Result]The summer precipitation mainly distributes in eastern part of China;The Ist,2nd and 3rd EOF modes of spatial distribution are especially remarkable as well consistent with the results of previous reports about three rainfall patterns from analysis on the percentages of precipitation anomaly of summer.[Conclusion]There exists interannnal and interdecadal variability for summer precipitation in China. |
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| Keywords: | EOF method Summer precipitation patterns Spatial distribution Temporal distribution Interannual variability Interdecadal variability |
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