基于Copula函数的暴雨要素三维联合分布——以宽甸县为例

张野, 王康, 刘欣铭, 张苏辰, 周嘉, 王菜林

The Three-dimensional Joint Distributions of Rainstorm Factors Based on Copula Function: A Case in Kuandian County, Liaoning Province

Ye Zhang, Kang Wang, Xinming Liu, Suchen Zhang, Jia Zhou, Cailin Wang

表6 不同维度暴雨要素重现期

Table 6 The return period of rainstorm factors in different dimension

T(a) D50 P50 I R D50,P50,I D50,I,R (d) n (mm) n (mm) n (%) n Ta T0 Ta T0 2 2.4 39 233.6 40.96 73.4 44.89 0.247 40.67 1.43 3.04 1.39 3.01 5 3.4 28 346 26.19 84.5 27.42 0.337 26.85 3.12 20.45 3.05 20.09 10 4.4 17 421.9 18.71 88 17.85 0.391 21.09 5.06 28.2 4.92 30.1 20 5.3 11 493.6 14.01 99.5 13.49 0.407 12.39 6.81 133.15 6.62 103.27 50 5.6 6.6 544 7.57 109 8.50 0.46 9.42 13.7 214.28 12.56 206.73 100 6.3 6 629.4 6.30 116.6 6.13 0.489 6.57 33.27 547.19 31.4 512.97