湘中地区汛期(4—9月)短时强降水时空分布特征
蔡海朝, 刘红武, 蔡瑾婕, 唐永兰, 蔡杏芳

Spatio-temporal distribution characteristics of hourly heavy rainfall in central Hunan during flood season (April-September)
CAI Haichao, LIU Hongwu, CAI Jinjie, TANG Yonglan, CAI Xingfang
表1 2016—2024年湘中各区域汛期短时强降水平均降水量、平均频次及强度统计
Tab.1 Statistical of average precipitation, average frequency, and intensity of HHR during flood seasons across different regions of central Hunan from 2016 to 2024
区域 降水量/(mm·a-1 降水频次/(次·a-1 降水强度/mm·h-1
平均 最大 平均 最大 平均 最大
Ⅰ区 167.5 380.8 5.7 13.1 29.2 33.7
Ⅱ区 144.1 236.2 5.0 7.6 29.0 32.7
Ⅲ区 136.2 281.5 4.7 9.0 28.8 34.5
Ⅳ区 187.7 365.6 6.3 11.6 29.7 34.9