| 定西黄土丘陵沟壑区土壤侵蚀规律研究 |
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| 引用本文： | 董荣万,朱兴平,何增化,万廷朝,王小平.定西黄土丘陵沟壑区土壤侵蚀规律研究[J].水土保持通报,1998,18(3):1-9,15. |
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| 作者姓名： | 董荣万 朱兴平 何增化 万廷朝 王小平 |
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| 作者单位： | 甘肃省定西地区水土保持科学研究所·定西县·743000 |
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| 摘 要： | 通过在高泉沟小流域建立的水土流失监测网络，系统研究了小流域自然因素和人为因素与土壤侵蚀的关系，小流域水土流失时空变化规律及小东流泥沙概念性耦合模型，揭示了定西黄土丘陵沟壑区土壤侵蚀规律，并建立了坡面土壤侵蚀数学模型，人为因素减水减沙的贡献率分别为７９．１１％和８５．６９％，由降雨减少引起的减水减沙的贡献率分别为２０．８９％和１４．３％，并应用水流泥沙概念性耦合模型，对“两期”治理效果进行了分析评价
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| 关 键 词： | 土壤侵蚀 降雨侵蚀力 植被度 耦合模型 |
| 收稿时间： | 1998/4/18 0:00:00 |
Laws of Soil Erosion in Loess Hilly and Gully Region of Dingxi Prefecture |
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| Dong Rongwan,Zhu Xingping,He Zenghu,Wan Tingchao and Wang Xiaoping.Laws of Soil Erosion in Loess Hilly and Gully Region of Dingxi Prefecture[J].Bulletin of Soil and Water Conservation,1998,18(3):1-9,15. |
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| Authors: | Dong Rongwan Zhu Xingping He Zenghu Wan Tingchao and Wang Xiaoping |
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| Institution: | Dingxi Institute of Soil and Water Conservation,Dingxi Prefecture,Gansu Province,743000,PRC;Dingxi Institute of Soil and Water Conservation,Dingxi Prefecture,Gansu Province,743000,PRC;Dingxi Institute of Soil and Water Conservation,Dingxi Prefecture,Gansu Province,743000,PRC;Dingxi Institute of Soil and Water Conservation,Dingxi Prefecture,Gansu Province,743000,PRC;Dingxi Institute of Soil and Water Conservation,Dingxi Prefecture,Gansu Province,743000,PRC |
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| Abstract: | |
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| Keywords: | soil erosion erodibil ity of rainfall vegetation ratio runoff and sediment reduction generality coupling model |
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