| 近50a嘉陵江流域径流变化特征及影响因素 |
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| 引用本文： | 范利杰,穆兴民,赵广举. 近50a嘉陵江流域径流变化特征及影响因素[J]. 水土保持通报, 2013, 33(1): 12-17 |
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| 作者姓名： | 范利杰 穆兴民 赵广举 |
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| 作者单位： | 1. 西北农林科技大学水利与建筑工程学院,陕西杨凌,712100
2. 西北农林科技大学水利与建筑工程学院,陕西杨凌712100;中国科学院水利部水土保持研究所,陕西杨凌712100 |
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| 基金项目： | 中国科学院重点部署项目“黄土高原及周边沙地近代生态环境的演变与可持续性”(KZZD-EW-04),“近百年黄土高原侵蚀环境与水沙变化”(KZZD-EW-04-03) |
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| 摘 要： | 利用Mann-Kendall秩次相关趋势检验和累计平均滤波器及Mann-Kendall突变点检验,对嘉陵江流域北碚、亭子口、武都和武胜4个水文站1960-2009年的年径流数据分析得出,4个水文站年径流量均存在显著的减少趋势,且均于1991年前后存在突变点.对流域4个水文站的基准期与措施期建立降雨一径流双累积曲线方程,分析计算得出20世纪90年代人类活动和降雨对径流减少的影响程度基本相当,只有武都站人类活动影响程度稍高.
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| 关 键 词： | Mann-Kendall秩次相关检验 累积平均滤波器 径流 嘉陵江流域 双累积曲线方程 |
| 收稿时间： | 2012-01-05 |
| 修稿时间： | 2012-03-13 |
Runoff Variation and Its Impacting Factor During 1960-2009in Jialing River Basin |
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| FAN Li-jie,MU Xing-min and ZHAO Guang-ju. Runoff Variation and Its Impacting Factor During 1960-2009in Jialing River Basin[J]. Bulletin of Soil and Water Conservation, 2013, 33(1): 12-17 |
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| Authors: | FAN Li-jie MU Xing-min ZHAO Guang-ju |
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| Affiliation: | 1,2(1.College of Water Resources and Architectural Engineering;Northwest A&F University, Yangling,Shaanxi 712100,China;2.Institute of Soil and Water Conservation,Chinese Academy of Sciences and Ministry of Water Resources,Yangling,Shaanxi 712100,China) |
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| Abstract: | The Changes of annual runoff at Beibei,Tingzikou,Wudu and Wusheng hydrological stations inthe Jialing River basin from 1960to 2009are investigated using Mann-Kendall trends test,Mann-Kendallabrupt changing test and cumulative average filter method.Results indicate that runoff at all the stationshave a jumping point in 1991.Double cumulative curve analysis between precipitation and runoff suggeststhat precipitation and human activities exert almost the same influence to the runoff reduction during the1990s,except the Wudu Station where the influence by human activities takes a relative higher proportion. |
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| Keywords: | Mann-Kendall rank regression test cumulative average filter runoff Jialing River basin double cumulative curve |
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