drought modeling;
Friday and Patil's bivariate exponential distribution;
product of random variables;
ratio of random variables;
sum of random variables;
D O I:
10.1007/s11269-005-9005-z
中图分类号:
TU [建筑科学];
学科分类号:
0813 ;
摘要:
Motivated by hydrological applications, we derive the exact distributions of R = X + Y, P = XY and W = X/(X+Y) and the corresponding moment properties when X and Y follow Friday and Patil's bivariate exponential distribution. An application of the results is provided to drought data from Nebraska.