| 黄土区切沟治理水土保持效益的研究 |
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| 引用本文： | 杨华,刘家玲. 黄土区切沟治理水土保持效益的研究[J]. 北京林业大学学报, 2001, 23(2): 49-52 |
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| 作者姓名： | 杨华 刘家玲 |
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| 作者单位： | 北京林业大学资源与环境学院,100083,北京;北京林业大学资源与环境学院,100083,北京 |
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| 摘 要： | 为研究黄土区切沟治理效益 ,在山西吉县进行大量的调查研究 .研究表明 :治理切沟的防洪减沙效益十分明显 ,降雨量为 70 .4mm ,30min最大雨强 0 .92mm min .未治理切沟土壤侵蚀量达 2 389t km2 ,而治理切沟水沙尚未出沟 .同时对治理切沟不同部位的不同林分土壤含水量、土壤理化性质等进行了研究 ,发现切沟内塌积土上林木生长、理化性质均优于其它地形部位
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| 关 键 词： | 切沟 测流槽 塌积土 土壤含水量 非毛管孔隙 |
Benefits of soil and water conservation from gully erosion control in loess region. |
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| YangHua,Liu Jialing. College of Forest Resources and Environment,Beijing For. Univ.,,P. R. China.. Benefits of soil and water conservation from gully erosion control in loess region.[J]. Journal of Beijing Forestry University, 2001, 23(2): 49-52 |
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| Authors: | YangHua Liu Jialing. College of Forest Resources Environment Beijing For. Univ. P. R. China. |
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| Affiliation: | YangHua,Liu Jialing. College of Forest Resources and Environment,Beijing For. Univ.,100083,P. R. China. |
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| Abstract: | What impressed people most are the gullies in the loess region are deep,steep,corroded acutely and hard to utilize.The benefit research of controlling gullies has not been reported.By means of fieldwork the authors found that local people have lots of feasible measures in controlling gullies in Jixian County ,Shanxi Province, and some controlled gullies and uncontrolled gullies for constructing the gage weirs were selected.The observation shows that erosion modulus of mixed|forested gullies can be reduced by over 2?000 t/km 2.The soil physical properties of the forest growth on breakdown|deposit soil are better than that in other location. |
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| Keywords: | gully gage weir breakdown|deposit soil (BDS) soil moisture content non|capillary pore |
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