1960—2010年长海县日照变化特征分析  

Analysis on Sunshine Change Characteristics in Changhai County from 1960 to 2010

作　　者：王秀秀 曹旭[1] 王洪祥[1] WANG Xiu-xiu;CAO Xu;WANG Hong-xiang(Dalian Meteorological Bureau in Liaoning Province,Dalian Liaoning 116001)

机构地区：[1]辽宁省大连市气象局,辽宁大连116001

出　　处：《现代农业科技》2018年第14期206-206,208,共2页Modern Agricultural Science and Technology

摘　　要：根据1960—2010年长海县日照资料,分析近50年长海县日照时数年、季、月变化特征。结果表明,长海县日照时数总体变化趋于平稳,年际差异大,气候倾向率为-37.74 h/10年,减少趋势不明显。长海县四季日照时数差异明显,日照时数由多到少依次为秋季、夏季、春季和冬季,季日照时数变化不明显,整体与年变化规律一致。月日照时数呈抛物线变化,呈先增加后减少的趋势。Based on meteorological data of sunshine in Changhai County from 1960 to 2010,the annual,seasonal and monthly sunshine hours change characteristics were analyzed.The results showed that the overall change of sunshine hours in Changhai County tended to be stable,with large differences in individual years.The annual rate of change was -37.74 h per 10 years,and the decreasing trend was not obvious.There was a significant difference in sunshine hours among four seasons in Changhai County.The sunshine hours from most to less was autumn,summer,spring and winter,and the seasonal sunshine hours change was not obvious,which was consistent with annual change overall.The monthly sunshine hours showed a parabolic change,which increased first and then decreased.

关 键 词：气候特征 日照时数 辽宁长海 1960—2010年 

分 类 号：P422.11[天文地球—大气科学及气象学]