| 京津冀区域沙尘暴气候变化特征分析 |
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| 引用本文： | 安月改,刘学锋,张梅.京津冀区域沙尘暴气候变化特征分析[J].环境科学研究,2004,17(3):21-24. |
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| 作者姓名： | 安月改 刘学锋 张梅 |
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| 作者单位： | 河北省气象局,河北,石家庄,050021;河北省气象局,河北,石家庄,050021;河北省气象局,河北,石家庄,050021 |
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| 基金项目： | 河北省科学技术研究与发展计划课题(01220602D) |
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| 摘 要： | 利用京津冀区域内所辖65个站点1954—2002年的观测资料,分析了该区域内沙尘暴的气候变化特征。结果表明:京津冀区域绝大部分地区是沙尘暴的主要影响区,冀北高原是该区域沙尘暴的易发区和多发区,定州、饶阳一带是该区域沙尘暴的易发区。沙尘暴的发生时间具有明显的日变化特征和季节差异,沙尘暴的发生时间大多集中在中午至傍晚,且基本为春多秋少。该区域内沙尘暴发生的日数呈现整体减少趋势,各分区域的变化趋势具有相似性,只是在减少幅度和年代际减少趋势上略有不同。
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| 关 键 词： | 京津冀区域 沙尘暴 变化趋势 |
| 文章编号： | 1001-6929(2004)03-0021-04 |
| 收稿时间： | 2003/6/6 0:00:00 |
Characteristics of Climate Change of Dust-Storms in Beijing, Tianjin and Hebei Region |
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| AN Yue-gai,LIU Xue-feng and ZHANG Mei.Characteristics of Climate Change of Dust-Storms in Beijing, Tianjin and Hebei Region[J].Research of Environmental Sciences,2004,17(3):21-24. |
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| Authors: | AN Yue-gai LIU Xue-feng and ZHANG Mei |
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| Institution: | Hebei Meteorology Bureau, Shijiazhuang 050021,China |
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| Abstract: | Based on the available observation data from 65 meteorological stations in Beijing,Tianjin and Hebei region in 1954 to 2002,the climate change characteristics of dust-storms in this area have been analyzed.It was shown that the most part of this area is easily influenced area of dust-storms,the altiplano in the north of Hebei Province is easy and high incidence area,and the area of Dingzhou and Raoyang is easy incidence area.Dust-storms mostly happen from noon to dusk,with more in the spring and less in the autumn.The frequency of dust-storms is with the trend of decreasing in Beijing,Tianjin and Hebei region,with similar trend but different degree of decreasing in different areas of the region. |
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| Keywords: | Beijing Tianjin and Hebei region dust-storm trend of change |
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