| 第二松花江流域1956—2006年降水量时空变化特征分析 |
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| 引用本文： | 汤洁,王宪泽,李青山,续衍雪,卞建民,李昭阳.第二松花江流域1956—2006年降水量时空变化特征分析[J].水资源保护,2011,27(6):14-18. |
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| 作者姓名： | 汤洁 王宪泽 李青山 续衍雪 卞建民 李昭阳 |
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| 作者单位： | 吉林大学环境与资源学院;松辽流域水资源保护局; |
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| 基金项目： | 水体污染控制与治理科技重大专项(2008ZX07207-006-01-02) |
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| 摘 要： | 利用滑动平均法分析第二松花江流域降水量的变化与趋势,并分别运用Mann-Kendall秩次相关检验法和高斯权重法进行趋势性检验和空间插值。结果表明,第二松花江流域的降水量1956—2006年整体呈现小幅下降和丰枯交替现象,丰水年周期年数少于枯水年周期年数。降水主要集中在夏季,变化幅度较大;其次为春季和秋季,变化幅度较小。从年内变化看,春季和夏季降水呈平稳状态,秋季呈下降趋势,冬季几乎无变化。在空间分布上,流域内降水量呈现由东南至西北逐渐递减的趋势,白山水库和丰满水库处于高值区。
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| 关 键 词： | 第二松花江 降水量 滑动平均 Mann-Kendall秩次相关检验 |
| 修稿时间： | 2011/12/1 0:00:00 |
Temporal and spatial characteristics of precipitation over second tributary of Songhua River Basin from 1956 to 2006 |
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| TANG Jie,WANG Xian-ze,LI Qing-shan,XU Yan-xue,BIAN Jian-min,LI Zhao-yang.Temporal and spatial characteristics of precipitation over second tributary of Songhua River Basin from 1956 to 2006[J].Water Resources Protection,2011,27(6):14-18. |
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| Authors: | TANG Jie WANG Xian-ze LI Qing-shan XU Yan-xue BIAN Jian-min LI Zhao-yang |
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| Affiliation: | TANG Jie1,WANG Xian-ze1,LI Qing-shan2,XU Yan-xue1,BIAN Jian-min1,LI Zhao-yang1(1.College of Environment and Resources,Jilin University,Changchun 130012,China,2.Songliao River Basin Water Resources Protection Bureau,China) |
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| Abstract: | The moving average method was used to study the precipitation change and trend in the second tributary of the Songhua River Basin.The Mann-Kendall rank correlation test and the Gaussian weighting method were used for trend testing and spatial interpolation,respectively.The results show that the precipitation over the second tributary of the Songhua River Basin from 1956 to 2006 had a slight downward trend in general and a characteristic of alternation in wet and dry seasons,and that the wet season period wa... |
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| Keywords: | second tributary of Songhua River precipitation moving average Mann-Kendall rank correlation test |
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