Study on Changing Characters of Rainfall and Runoff-Sediment in Process of Eco-Environment Reconstrucion in Watershed of Leoss Hilly Region

JU Tong-jun

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Study on Changing Characters of Rainfall and Runoff-Sediment in Process of Eco-Environment Reconstrucion in Watershed of Leoss Hilly Region

更新时间：2024-11-07

- Study on Changing Characters of Rainfall and Runoff-Sediment in Process of Eco-Environment Reconstrucion in Watershed of Leoss Hilly Region
- Vol. 19, Issue 2, Pages: 57-60(2005)
- 作者机构：
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- DOI：
  CLC： S718.51X171.4
- Published：2005
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JU Tong-jun. Study on Changing Characters of Rainfall and Runoff-Sediment in Process of Eco-Environment Reconstrucion in Watershed of Leoss Hilly Region[J]. 2005, 19(2): 57-60.
DOI：

JU Tong-jun. Study on Changing Characters of Rainfall and Runoff-Sediment in Process of Eco-Environment Reconstrucion in Watershed of Leoss Hilly Region[J]. 2005, 19(2): 57-60. DOI：

摘要

以燕沟流域为研究对象，着重研究生态恢复重建过程中流域系统的降雨和水沙变化特征，并对高度治理流域的总体减沙水平做了分析。结果表明：治理流域增强了土壤接受降雨的人渗能力，提高了流域自身林草涵养水分以及流域地表对径流的调蓄能力，因而增加了流域生态建设可用的径流资源量。燕沟流域1997年以来的年降雨量具有一定的代表性．说明燕沟流域的输沙模数逐年锐减，对近年来流域所实施生态环境建设和流域植被重建工程起到了显著的水土保持效果，与治理前相比，减沙效益约为83．7％。

Abstract

Based on the Yan gully watershed

authors had emphatically studied on changing chracters of runoff-sediment in process of eco-environment reconstruction. Furthermore

whole sediment yield was accessed in highly harnessed watershed.The results show that harnessed watershed can increase ability of soil infiltration and watershed self-adjust to runoff-sediment. Also eco-environment reconstruction can plused amount of usable water resource. On the other hand

it's sure that eco-environment reconstruction had worked greatly on local environment

compareing with former condition and reducing sediment benefit round about is 83.7% presently.

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