基于广义极值分布的京津冀极端降水阈值识别及CMPAS融合降水产品评估

徐义国, 王蓉蓉, 范俊红, 赵增保, 王蕊, 王岚, 赵紫薇

Identification of extreme precipitation thresholds in the Beijing-Tianjin-Hebei region using GEV model and evaluation of CMPAS merged precipitation products

XU Yiguo, WANG Rongrong, FAN Junhong, ZHAO Zengbao, WANG Rui, WANG Lan, ZHAO Ziwei

表4 京津冀地区不同强度等级CMPAS融合降水产品小时降水评估

Tab.4 Evaluation of hourly precipitation from CMPAS merged products under different intensity levels in the Beijing-Tianjin-Hebei region

强度等级/（mm·h-1） ME/（mm·h-1） MAE/（mm·h-1） MRE/% RMSE/（mm·h-1） R TS FAR PO 0.1~1.9 0.05 0.14 20.61 0.49 0.75** 0.93 0 0.07 >1.9~4.9 0.01 0.34 10.78 0.82 0.72** 1.00 0 0 >4.9~9.9 -0.17 0.63 9.04 1.43 0.68** 1.00 0 0 >9.9~19.9 -0.47 1.30 9.39 3.11 0.64** 0.99 0 0.01 >19.9 -1.63 2.33 7.53 5.42 0.90** 1.00 0 0