| 近40a新疆阿拉尔垦区初终霜日及无霜期的变化特征 |
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| 引用本文： | 王建勋,朱晓玲.近40a新疆阿拉尔垦区初终霜日及无霜期的变化特征[J].干旱区资源与环境,2011(9):183-186. |
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| 作者姓名： | 王建勋 朱晓玲 |
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| 作者单位： | 塔里木大学植物科学学院;塔里木大学经济管理学院; |
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| 基金项目： | 国家软科学研究计划(2006GXQ3D172)子课题资助 |
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| 摘 要： | 根据阿拉尔气象站1961-2000年日平均气温资料,求其逐年初终霜日及无霜期持续天数,用最小二乘法分析时间序列变化特征及趋势。结果表明：近40a新疆阿拉尔垦区初霜日提前,终霜日推后,无霜期持续天数以0.359d/10a的不显著趋势减少;初终霜日及无霜期持续天数年际差异不明显,变化相对稳定。结论：鉴于无霜期持续天数缩短,...
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| 关 键 词： | 阿拉尔垦区 初终霜日 无霜期 变化 |
Characteristics of the first and last frost dates and frost-free periods from 1961 to 2000 in Alar irrigated area of Xinjiang Province |
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| WANG Jianxun,ZHU Xiaolin.Characteristics of the first and last frost dates and frost-free periods from 1961 to 2000 in Alar irrigated area of Xinjiang Province[J].Journal of Arid Land Resources and Environment,2011(9):183-186. |
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| Authors: | WANG Jianxun ZHU Xiaolin |
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| Institution: | WANG Jianxun1,ZHU Xiaolin2(1.College of Plant Science,Tarim University,Alar 843300,P.R.China,2.College of Economics and Management,P.R.China) |
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| Abstract: | According to the daily average temperature material of Alar irrigated area 1961-2000 the first and last frost dates and the frost-free periods were calculated.Using least squares method time sequence change characteristic and tendency were analyzed.The results indicated: Near 40a first frost date of Xinjiang Alar irrigated area was ahead of time,the last frost date retarded,frost-free period reduced by the 0.359d/10a;Initially the difference of last frost date and the frost-free period among years was not o... |
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| Keywords: | Alar irrigated area first and last frost dates frost-free periods climate change |
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