安徽农业科学2016，Vol.44Issue(24)：184-185,194,3.
1955～2014年本溪地区年降水量分析
Analysis of Annual Precipitation in Benxi Area from 1955 to 2014
孙秀恒 1李冰 1魏海宁 1韩瑞 1张博宇1
作者信息
- 1. 辽宁省本溪市气象局，辽宁本溪117000
- 折叠
摘要
Abstract
By using the annual precipitation resources of Benxi Area in 1955-2014, linear regression method was used to analyze the change law and trend of annual precipitation in this area in recent 60 years.Results showed that the average annual precipitation in Benxi Area in recent 60 years was 66.1 mm.The annual precipitation showed a decreasing trend year by year, the decrease rate was 2.23 mm every 10 years.July and August had relatively abundant precipitation, accounting for 48.7% of the annual precipitation.In December, January and February, pre-cipitation was less in general.The sum of the three months only accounted for 4.0%of the annual precipitation.Precipitation in each year firstly declined and then increased, but was decreasing in general.Precipitation in spring and summer showed an increasing trend;while that in autumn and winter showed a downtrend trend.Precipitation mainly distributed in major flood period.Precipitation in summer was an important component of the precipitation Benxi area.Precipitation in autumn was the least, followed with spring and autumn.关键词
降水量/变化特征/趋势分析/本溪地区Key words
Precipitation/Change features/Trend analysis/Benxi area分类
农业科技引用本文复制引用
孙秀恒,李冰,魏海宁,韩瑞,张博宇..1955～2014年本溪地区年降水量分析[J].安徽农业科学,2016,44(24):184-185,194,3.
