| 沈阳东陵区降水变化特征对农业的影响 |
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| 引用本文： | 田鹏波,赵凤,魏晓琳,刘亚林,刘长波.沈阳东陵区降水变化特征对农业的影响[J].安徽农业科学,2010,38(10):5173-5175. |
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| 作者姓名： | 田鹏波 赵凤 魏晓琳 刘亚林 刘长波 |
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| 作者单位： | 1. 辽宁省沈阳市东陵区气象局,辽宁,沈阳,110168
2. 辽宁省东港市气象局,辽宁,东港,118000 |
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| 摘 要： | 目的]研究1951～2008年沈阳东陵区降水趋势变化,为地方农业结构调整提供依据。方法]在Excel程序支持下,应用降水变率、线性回归和标准偏差系数等方法分析降水趋势变化。结果]58年年降水量减少155mm;作物生长季降水量减少160mm;夏季、秋季分别减少95、50mm;1980年之后降水量偏少概率增大。降水日趋势变化与降水量具有一致性,降水日数减少15d,有效降水日数减少5d。结论]降水量、降水日数趋势减少增加了干旱的概率,给现有农作物结构提出了新的课题,适应气候变化调整农业布局势在必行。
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| 关 键 词： | 降水特征 农业 线性回归 标准偏差 跃变 |
Effects of Precipitation Change Characteristics on Agriculture in Dongling District of Shenyang |
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| TIAN Peng-bo et al.Effects of Precipitation Change Characteristics on Agriculture in Dongling District of Shenyang[J].Journal of Anhui Agricultural Sciences,2010,38(10):5173-5175. |
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| Authors: | TIAN Peng-bo |
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| Institution: | TIAN Peng-bo et al (Dongling District Meteorological Bureau of Shenyang,Shenyang,Liaoning 110168) |
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| Abstract: | Objective] The research aimed to study the changes in precipitation trends in Dongling District of Shenyang during 1951-2008 and provide basis for the adjustment of the local agricultural structure.Method] Under the support of Excel program,using precipitation variability,linear regression and standard deviation coefficient and other methods,the trends in changes in precipitation were analyzed.Result] During 58 years,the annual rainfall reduced 155 mm,the rainfall in crop growing season reduced 160 mm.An... |
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| Keywords: | Precipitation characteristics Agriculture Linear regression Standard deviation Jump |
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