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中山大学大气科学系
纸质出版日期:1998,
网络出版日期:1998-12-25,
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周文, 简裕庚, 陈创买, 等. 广东年降水的类型特征和旱涝趋势[J]. 中山大学学报(自然科学版)(中英文), 1998,37(增刊2):130-134.
周文, 简裕庚, 陈创买, 等. 广东年降水的类型特征和旱涝趋势[J]. 中山大学学报(自然科学版)(中英文), 1998,37(增刊2):130-134. DOI:
DOI:
应用主分量方法对广东年降水量进行统计分析,结果表明,它对年降水场的逼近收剑性比较快,前5项特征值占年降水总方差的78.7%,即前5项特征向量已可反映年降水场最重要的特征.通过主分量和特征向量的配合,将逐年年降水场进行了分型,较清楚地显示出年降水量的气候背景.
To make the statistical analysis of annual rainfall in Guangdong
we use the method of principal component in this paper. The results show that
the convergency is very well in proximation of variance for the field of annual rainfall
the first five eigenvalues represent 78 7 percent in total variances
i.e. the first five eigenvectors represent the most important characteristics of annual rainfall. Combining the principal component and eigenvector
we classify the pattern of annual rainfall year by year. It represents obviously the background of climate of annual rainfall.
&nbsp广东年降水量旱涝类型主分量分析
&nbspannual rainfall in Guangdongdrought and floodpatternprincipal component analysis
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