| 1953—2010年民勤县沙尘暴变化趋势分析 |
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| 引用本文： | 胡丽莉.1953—2010年民勤县沙尘暴变化趋势分析[J].现代农业科技,2011(19):21+25. |
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| 作者姓名： | 胡丽莉 |
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| 作者单位： | [1]甘肃省武威市气象局,甘肃武威733000;[2]民勤县气象局 |
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| 摘 要： | 利用民勤县1953—2010年沙尘暴月发生日数,采用趋势分析方法对其变化趋势进行了分析,研究其沙尘暴的年际、月际和季节性变化及对农业的影响。结果表明,民勤县近58年的沙尘暴日数在年际和月、季变化中均呈明显的下降趋势,春季、夏季减少最为明显,秋季减少趋势最为缓慢。
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| 关 键 词： | 沙尘暴 变化趋势 甘肃民勤 1953—2010年 |
Analysison on Variation Trend of Sandstorm in Minqin County from 1953 to 2010 |
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| Authors: | HU Li-li |
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| Institution: | (1 Wuwei Meteorological Bureau in Gansu Province,Wuwei Gansu 733000;2 Minqin Meteorological Bureau) |
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| Abstract: | Based on the meteorological data of sandstorm at Minqin station from 1953 to 2010,using trend analysis method,the variation trend of annual,monthly,seasonal change characteristic of sandstorm days in Minqin County from 1953 to 2010 were comprehensively analyzed and its influences on agriculture. The results showed that the annual, monthly, seasonal change of sandstorm days in Minqin station decreased from 1953 to 2010, the trends in spring and summer were the most obvious, and the decreasing changed most slowly in autumn. |
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| Keywords: | sandstorm variation trend Minqin Gansu 1953 to 2010 |
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