| 大连市近59年日照时数变化特征分析 |
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| 引用本文： | 赵冬艳,谷苹.大连市近59年日照时数变化特征分析[J].安徽农业科学,2011(11):6614-6615,6660. |
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| 作者姓名： | 赵冬艳 谷苹 |
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| 作者单位： | 辽宁省大连市气象局; |
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| 摘 要： | 目的]分析大连市的日照时数变化特征。方法]利用大连市1951～2009年日照观测资料,采用线性倾向估计法和累积距平法,对大连市日照时数的年代际、年、季、月变化特征进行全面分析。结果]近59年大连市年代际、年、季、月日照时数均呈减少趋势。20世纪50年代年平均日照时数最多,21世纪以来最少;年平均日照时数最多为1978年,最少为2003年;1989年之前为日照偏多期,之后呈快速减少趋势;四季中,秋季日照时数减少最快,春季减少最慢;月平均日照时数最多的是5月份,12月份最少;各月日照时数减少最快的是6月,仅3月份日照时数呈现增加趋势。结论]该研究为合理利用光能资源、调整农业生产结构和促进农业经济可持续发展提供科学依据。
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| 关 键 词： | 日照时数 变化特征 大连市 |
Analysis of Climate Characteristics of Sunshine Hours in Dalian City in Recent 59 Years |
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| ZHAO Dong-yan et al.Analysis of Climate Characteristics of Sunshine Hours in Dalian City in Recent 59 Years[J].Journal of Anhui Agricultural Sciences,2011(11):6614-6615,6660. |
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| Authors: | ZHAO Dong-yan |
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| Institution: | ZHAO Dong-yan et al(Dalian Meteorology Bureau,Dalian,Liaoning 116001) |
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| Abstract: | Objective] The aim was to analyze the changes characteristics of sunshine hours of Dalian City.Method] Based on the data of sunshine hours of Dalian City during 1951 to 2009 and by dint of linear estimation and accumulation anomaly,the change characteristics of decade,annual,seasonal,monthly sunshine hours in Dalian City were analyzed.Result] The change characteristics of decade,annual,seasonal,monthly sunshine hours in Dalian City were in a decrease trend since recent 59 years.The average sunshine hour ... |
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| Keywords: | Sunshine hours Change characteristics Dalian City |
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