| 黄土高塬沟壑区水土保持对小流域地表径流的影响 |
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| 引用本文： | 穆兴民.黄土高塬沟壑区水土保持对小流域地表径流的影响[J].水利学报,1999,30(2):71-75. |
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| 作者姓名： | 穆兴民 |
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| 作者单位： | 中国科学院、水利部水土保持研究所,陕西,杨陵,712100 |
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| 摘 要： | 水土保持对径流的作用是水土流失治理中一个亟待回答的实际问题．本文用小流域平行对比观测法，分析了黄土高塬沟壑区水土保持对小流域地表径流的数量及其时间分布特征的影响，表明在黄土高塬沟壑区，水土保持能使小流域产洪次数减少、地表径流模数和径流系数减小；使小流域地表径流模数的年际变率增大；在洪水产流过程中，水土保持使流域产流起始时间滞后，径流持续时间缩短，瞬时流量及洪峰流量降低以至消失
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| 关 键 词： | 黄土高塬沟壑区，水土保持，小流域径流 |
The influnce of the soil and water conservation on the surface runoff in the watersheds in the gully plateau region of Loess Plateau |
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| Mu Xingmin,Wang Wenlong,Xu Xuexuan.The influnce of the soil and water conservation on the surface runoff in the watersheds in the gully plateau region of Loess Plateau[J].Journal of Hydraulic Engineering,1999,30(2):71-75. |
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| Authors: | Mu Xingmin Wang Wenlong Xu Xuexuan |
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| Abstract: | In this paper the influence of the soil and water conservation on runoff quantity and its processes in typical small watersheds have been analyzed by using the parallel observation in two comparable watersheds in gully plateau region of Loess Plateau. The integral control of soil and water loss in the region can result in the decreases of flooding time, runoff modulus and runoff coefficient in the watershed. The yearly variation of the runoff modulus will be intensified due to the control of watershed. |
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| Keywords: | gully plateau region Loess Plateau soil and water conservation watershed runoff |
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