西宁市短历时暴雨雨型及重现期极值降水特征研究

王紫文, 赵海涵, 余迪, 汪洋, 陶世银, 李万志

Study on the temporal patterns and extreme precipitation characteristics of short-duration torrential rain in Xining city

WANG Ziwen, ZHAO Haihan, YU Di, WANG Yang, TAO Shiyin, LI Wanzhi

表2 西宁不同历时降雨极值拟合效果检验

Tab.2 Fitting value verification of precipitation extreme for different duration in Xining

历时/min Dn r R Gumbel P-Ⅲ GEV Gumbel P-Ⅲ GEV Gumbel P-Ⅲ GEV 5 0.068 0.067 0.077 0.987 0.988 0.997 6.863 5.222 6.503 10 0.066 0.067 0.066 0.994 0.990 0.995 4.749 5.102 5.855 15 0.050 0.046 0.072 0.998 0.998 0.994 4.639 3.293 5.899 20 0.078 0.058 0.091 0.972 0.985 0.983 7.223 3.588 7.923 30 0.090 0.051 0.129 0.957 0.992 0.981 9.962 3.984 10.568 45 0.098 0.073 0.144 0.945 0.993 0.948 10.830 4.091 11.283 60 0.112 0.076 0.149 0.942 0.985 0.914 11.508 5.175 11.110 90 0.076 0.070 0.121 0.961 0.969 0.973 7.639 4.027 8.646 120 0.057 0.060 0.082 0.986 0.981 0.993 4.263 3.268 5.720 150 0.044 0.052 0.051 0.994 0.995 0.994 2.443 2.574 3.180 180 0.079 0.078 0.075 0.916 0.914 0.915 3.896 3.197 3.355