| 晋西黄土高原地区近47年降水量的统计分析 |
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| 引用本文： | 张焱,韩军青,郭刚. 晋西黄土高原地区近47年降水量的统计分析[J]. 干旱区资源与环境, 2008, 22(1): 89-91 |
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| 作者姓名： | 张焱 韩军青 郭刚 |
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| 作者单位： | 山西师范大学城市与环境科学学院,临汾,041004;山西师范大学城市与环境科学学院,临汾,041004;山西师范大学城市与环境科学学院,临汾,041004 |
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| 摘 要： | 利用晋西地区1955~2001年年降水量、月降水量资料,采用线性趋势法和累积距平曲线法分析了该地区近47年降水变化趋势。结果表明:年降水量变化呈减少趋势,降水倾向率为-28.16mm/10a;汛期降水变化也呈减少的趋势,20世纪90年代减少趋势显著;降水的季节变化各季均呈减少趋势;年降水量无明显的突变。
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| 关 键 词： | 晋西地区 降水量 趋势分析 |
| 文章编号： | 1003-7578（2008）01-089-03 |
| 收稿时间： | 2006-11-25 |
| 修稿时间： | 2006-11-25 |
Statistical Analysis on Precipitation in Jinxibei Region During the Last 47 Years |
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| ZHANG Yan,HAN Jun-qing,GUO Gang. Statistical Analysis on Precipitation in Jinxibei Region During the Last 47 Years[J]. Journal of Arid Land Resources and Environment, 2008, 22(1): 89-91 |
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| Authors: | ZHANG Yan HAN Jun-qing GUO Gang |
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| Abstract: | Using the data of annual and monthly rainfall from 1955 to 2001 in Jinxi region,climatic linear trend and accumulated variance analysis methods,rainfall in this region were analyzed.The main findings can be summarized as follows,the annual rainfall trend in the region decreased,rainfall trend was-28.16mm/10a;rainfall change in flood reason was decreased too,especially in 1990s;the seasonal rainfall reduced too;no abrupt change in yearly rainfall. |
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| Keywords: | Jinxibei precipitation trend analysis |
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