| 柯坪地区1971-2008年沙尘天气特征分析 |
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| 引用本文： | 蒋春燕,黄文君.柯坪地区1971-2008年沙尘天气特征分析[J].新疆气象,2010,4(3):45-48. |
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| 作者姓名： | 蒋春燕 黄文君 |
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| 作者单位： | [1]柯坪县气象局,新疆柯坪843600 [2]库车县气象局,新疆库车842000 |
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| 摘 要： | 利用1971—2008年柯坪站的地面气象资料及周边气象站的气候整编资料,分析了该地区的沙尘天气变化特征。结果表明:该地区沙尘天气以浮尘为主,扬沙次之,沙尘暴最少;具有明显的季节变化和年际变化,每年3—9月是沙尘天气的多发时段;浮尘年日数近38 a来无明显变化,沙尘暴和扬沙日数呈明显减少趋势;沙尘天气总体分布自东向西逐渐增多。沙尘天气与当地降水量和大风的关系密切,降水偏多的年份,沙尘天气偏少,在吹偏西北风时易出现沙尘天气。
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| 关 键 词： | 沙尘天气 变化特征 降水量 风 温度 湿度 |
| 收稿时间： | 2009/8/12 0:00:00 |
| 修稿时间： | 2009/11/4 0:00:00 |
Analysis of Sand-dust Weather Character during 1971-2008 in Keping |
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| JIANG Chun-yan and HUANG Wen-jun.Analysis of Sand-dust Weather Character during 1971-2008 in Keping[J].Bimonthly of Xinjiang Meteorology,2010,4(3):45-48. |
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| Authors: | JIANG Chun-yan and HUANG Wen-jun |
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| Abstract: | The characters of sand-dust weather in Keping were analyzed by using the surface data and the climatical reorganized weather data during 1971-2008 from Keping and the surrounding weather station. Float-dust weather took the first place of sand-dust weather in Keping, raising sand weather took the second place, and sand-dust storm took the third place. The sand-dust weather in Keping showed obvious seasonal and interannual variation, and appeared mostly from Mar. to Sept. The float-dust days in the recent 38 years changed less, but the sand-dust storm and raising sand days decreased evidently. The distribution of sand-dust was gradually increasing from the east to the west of Keping. The sand-dust weather was closely related with the local precipitation and wind. There was negative correlation between sand-dust weather and precipitation, and sand-dust weather tends to happen in northwest wind. |
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| Keywords: | sand-dust weather variation characters precipitation wind temperature humidity |
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