A bivariate gamma model for drought

被引：22

作者：

Nadarajah, Saralees ^{[1
]}

机构：

[1] Univ Manchester, Sch Math, Manchester M60 1QD, Lancs, England

来源：

WATER RESOURCES RESEARCH | 2007年 / 43卷 / 08期

关键词：

D O I：

10.1029/2006WR005641

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

[1] A drought application is described by deriving the exact distributions of the sum X + Y and the ratio X/( X + Y) and the corresponding moment properties when X and Y are drought duration and nondrought duration, respectively. The values of X and Y are modeled by a bivariate gamma distribution. Drought data from the State of Nebraska are used.

引用

页数：6

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