辽宁省朝阳市近50年日照时数变化特征分析  

Change Characteristics Analysis of Sunshine Hours in Chaoyang City of Liaoning Province in Recent 50 Years

作　　者：冯雪菲[1] 冯雪君[1] 吴丹[1] 张富荣[1] 王晓霞[1] 冯淑霞[1] 

机构地区：[1]辽宁省朝阳市气象局,辽宁朝阳122000

出　　处：《畜牧与饲料科学》2013年第5期23-25,共3页Animal Husbandry and Feed Science

摘　　要：利用辽宁省朝阳地区3个具有代表性的观测站1963—2012年近50年来日照时数资料,采用线性倾向估计法和累计距平等方法,分析近50年来朝阳市日照时数演变的一般特征规律。结果表明,近50年来朝阳地区日照时数呈减少趋势。Using the sunshine hours data at three representative observation stations of Chaoyang area in Liaoning Province during 1963-2012, the general characteristic laws of sunshine hour evolution in Chaoyang City in recent 50 years were analyzed by using linear trend estimation, accumulated anomaly and other methods. The results showed that the sunshine hour in Chaoyang area in recent years showed a decreasing trend.

关 键 词：日照时数 变化特征 朝阳市 

分 类 号：P422.11[天文地球—大气科学及气象学]