水资源保护Issue(4)：47-52,6.DOI:10.3969/j.issn.10046933.2014.04.010
1971-2010年上海市降水变化特征分析
Analysis of precipitation variation characteristics in Shanghai City over period from 1971 to 2010
摘要
Abstract
Based on daily precipitation data at Xujiahui Station during the period from 1971 to 2010 , the characteristics of precipitation in Shanghai City over the past 40 years were analyzed using methods including the linear regression analysis method , Mann-Kendall testing , and wavelet analysis .The variations of inter-decadal precipitation , annual precipitation , and precipitation in flood and non-flood seasons were studied , and the characteristics of precipitation frequency and rainstorms during typical typhoons were analyzed .The results show that the inter-decadal precipitation , annual precipitation , and precipitation in flood and non-flood seasons all have an increasing trend .There is a principal periodic oscillation of eight years for the annual precipitation and flood season precipitation . The variation trend of the flood season precipitation is similar to that of the annual precipitation , indicating that the flood season precipitation dominates the annual precipitation to a great extent .The non-flood season precipitation has a principal period of four years .The percentage of light precipitation gradually decreases over decades , while that of rainstorms gradually increases over decades .During the typhoons , the rainstorm was highly concentrated , with greater intensity .关键词
降水变化/频率特征/暴雨特征/一元线性回归法/Mann-Kendall检验法/小波分析/上海市Key words
precipitation variation/Mann-Kendall test/wavelet analysis/frequency analysis/typhoon rainstorm/Shanghai City分类
天文与地球科学引用本文复制引用
张洁祥,张雨凤,李琼芳,虞美秀,任锦亮,李鹏程,王凯燕..1971-2010年上海市降水变化特征分析[J].水资源保护,2014,(4):47-52,6.基金项目
国家自然科学基金（41171220）；国家科技支撑计划课题（2012BAB03B03）；水利部公益行业科研专项 （）
