| 临汾市近40a日照时数变化及其对农业生产的影响 |
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| 引用本文： | 曹巧莲,孙悦,陈霄健,徐鑫,赵晓丽.临汾市近40a日照时数变化及其对农业生产的影响[J].山西农业科学,2011,39(8):880-882. |
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| 作者姓名： | 曹巧莲 孙悦 陈霄健 徐鑫 赵晓丽 |
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| 作者单位： | 1. 临汾市气象局,山西临汾,041000
2. 大同市气象局,山西大同,037010 |
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| 摘 要： | 通过对1970—2009年近40 a临汾市日照时数资料统计,分析了日照时数的年变化、年代际变化、季节变化、月变化趋势,以及日照时数变化对临汾市主要农作物的影响。结果表明,临汾市日照时数的年代际变化和季节变化均呈减少趋势,2009年比1970年减少344 h,倾向率为-9.675 1 h/a;全年总日照时数平均每10 a减少934 h,各季节之间差别较大,春季变化最小,冬季变化最大,1月减少最多。临汾市日照时数的减少对小麦、玉米、棉花的生长都有不利影响。
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| 关 键 词： | 临汾市 日照时数 变化特征 农业生产 |
Sunshine Hours Change and Its Effects on the Agriculture in Linfen in 40 Years |
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| CAO Qiao-lian,SUN Yue,CHEN Xiao-jian,XU Xin,ZHAO Xiao-li.Sunshine Hours Change and Its Effects on the Agriculture in Linfen in 40 Years[J].Journal of Shanxi Agricultural Sciences,2011,39(8):880-882. |
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| Authors: | CAO Qiao-lian SUN Yue CHEN Xiao-jian XU Xin ZHAO Xiao-li |
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| Institution: | CAO Qiao-lian1,SUN Yue1,CHEN Xiao-jian1,XU Xin2,ZHAO Xiao-li1(1.Linfen Meteorological Bureau,Linfen 041000,China,2.Datong Meteorological Bureau,Datong 037010,China) |
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| Abstract: | Using the data of sunshine hours in Linfen during 1970-2009,the article analyzed the annual and the seasonal changes trend of sunshine hours and studied the impact on agriculture.The results showed that the annual and seasonal changes of sunshine hours showed a decrease trend.It decreased 344 h in 40 years,the trend rate is-9.675 1 h/a,the total of sunshine hours decreased 934 h per 10 years,there is a big difference among seasons,in spring was minimum and in winter maximum,January was maximum in 12 months.... |
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| Keywords: | Linfen sunshine hours change characteristics agriculture production |
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