CHEN Chuan-sheng,JIANG Xin.Study on the Topographic Effect on Soil Erosion Using RUSLE Model for Small Size Watershed[J].Research of Soil and Water Conservation,2006,13(05):186-187,192.
Study on the Topographic Effect on Soil Erosion Using RUSLE Model for Small Size Watershed
- Title:
- Study on the Topographic Effect on Soil Erosion Using RUSLE Model for Small Size Watershed
- Keywords:
- RUSLE; erosion index; rainfall; soil loss; small size watershed
- 分类号:
- S157
- 摘要:
- Soil erosion and subsequent sedimentation have caused serious environmental and soil degradation problems in Okinawa Prefecture,Japan.This research aims at evaluating an availability of the Revised Universal Soil loss Equation(RUSLE) for predicting the range of soil loss values for the Nago watershed in Okinawa.It shows that climatic conditions substantially influence the rainfall amount as a function of the I30 of the rainfall event.The rate of soil loss is higher with increasing in altitude due to greater slope steepness.By rainfall data analysis,it is concluded that the large difference in soil loss between 2000 and 2001 was due to concentrated heavy rainfall in the rainy season or the typhoon season.
- Abstract:
- Soil erosion and subsequent sedimentation have caused serious environmental and soil degradation problems in Okinawa Prefecture,Japan.This research aims at evaluating an availability of the Revised Universal Soil loss Equation(RUSLE) for predicting the range of soil loss values for the Nago watershed in Okinawa.It shows that climatic conditions substantially influence the rainfall amount as a function of the I30 of the rainfall event.The rate of soil loss is higher with increasing in altitude due to greater slope steepness.By rainfall data analysis,it is concluded that the large difference in soil loss between 2000 and 2001 was due to concentrated heavy rainfall in the rainy season or the typhoon season.
相似文献/References:
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[6]苏嫄,王志杰,杨瑞,等.基于RUSLE的陕南地区土壤侵蚀时空变化特征[J].水土保持研究,2018,25(05):1.
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备注/Memo
收稿日期:2005-12-20。