摘要
对大连市旅顺口区1981—2010年30年的日照变化特征进行分析。结果表明:旅顺口区近30年日照时数基本呈现略微降低趋势,总体变化趋于无大的变化。春季日照时数最多,冬季日照时数最少。各个季节的日照变化综合影响了整个30年的日照变化。春、秋和冬季和年变化不一致,夏季和年变化一致。
The variation characteristics of sunshine in Lushunkou District of Dalian City from 1981 to 2010 were analyzed.The results showed that in the past 30 years,the sunshine hours decreased slightly,the overall change tended to be no big change.Sunshine hours were the most in spring,and the lowest in winter.The variation of sunshine in each season affected the whole 30 years.Spring, autumn, winter and annual changes were inconsistent, summer and annual changes were alike.
出处
《现代农业科技》
2016年第16期193-194,共2页
Modern Agricultural Science and Technology
关键词
气候特征
日照时数变化
辽宁大连
旅顺口区
climatic characteristics
sunshine duration change
Dalian Liaoning
Lvshunkou District
