Analysis on Variation Characteristics of the Precipitation in Zigong City in Recent 50 Years

• 来源期刊: 气象与环境研究：英文版
• 学科: 地球科学
• 年，卷（期）: 2011,（11）
• 页码范围: 29-33
• 页数: 5页
• 分类号: P46

摘要

[Objective]The research aimed to analyze variation characteristics of the precipitation in Zigong City in recent 50 years.[Method] Based on daily precipitation data at three observation stations in Zigong City from 1961 to 2010,linear tendency method and accumulative anomaly method were adopted to analyze climatic change characteristics of the annual,seasonal,monthly rainfalls and rain days in Zigong City in recent 50 years.[Result]The annual rainfall overall presented a decreasing trend at the variation te...