Analysis on Precipitation Variation in Anyang and Nanyang in Recent 57 Years

• 来源期刊: 气象与环境研究：英文版
• 学科: 地球科学
• 年，卷（期）: qxyhjyjywb_2011,（3）
• 页码范围: 10-13
• 页数: 4页
• 分类号: P46

摘要

[Objective] The aim was to analyze precipitation variation in Anyang and Nanyang in recent 57 years. [Method] Based on the data of annual precipitation in Anyang and Nanyang from 1953 to 2009, the changes of precipitation in Anyang and Nanyang were compared by means of mathematical statistics, regression analysis and wavelet analysis. [Result] In recent 57 years, annual precipitation in Anyang and Nanyang showed decrease trend, especially Anyang with obvious decrease trend; from seasonal variation, average ...