张家界市近四十多年来强降水统计分析

Statistical Analysis of Strong Precipitation in Zhangjiajie City in Recent 47 Years

摘要: 对张家界市1957～2003年的强降水资料(日雨量50.0～99.9 mm和日雨量≥100.0 mm)从时空分布特点和强降水出现频数进行了统计分析。结果表明:张家界历年共发生区域性暴雨102日次,区域性大暴雨及特大暴雨23日次;共出现暴雨485站次,桑

Abstract: Based on the data of heavy rain from 1957 to 2003 in Zhangjiajie* the temporal-spatial and frequency variation characteristics are analyzed.The results indicate that the regional rainfall dates with daily rainfal