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Estimation of soil erosion in some sections of Lower Jinsha River based on RUSLE
Jiang L. G.; Yao, Z. J.; Liu, Z. F.; Wu, S. S.; Wang, R.; Wang, L.
Source PublicationNatural Hazards
2015
Volume76
Issue3
Pages1831-1847
KeywordSoil Erosion Soil Loss Rusle Mountain Region Jinsha River Geographic Information-system Loss Equation Rusle Yangtze-river Rainfall Erosivity Guizhou Province Regional-scale Land-use China Basin Risk
AbstractSoil erosion increasingly poses a great threat to human food security and environmental quality. It is necessary to implement the assessment of soil erosion so as to provide precautionary measures and relevant suggestions for soil conservation. In this paper, the soil erosion model, revised universal soil loss equation (RUSLE), was used to quantify the soil loss in a large mountainous area of Lower Jinsha River Basin. The analysis of the datasets by means of geographic information systems (GIS) together with RUSLE led to the estimation of soil erosion. Results show that the average annual soil erosion was estimated at 52.1 t ha(-1) year(-1) and the total annual soil loss was 4.5 x 10(8) t. The highest erosion was found along the main course of Jinsha River. Soil erosion was serious in the elevation zone between 1,675 and 2,153 m and slope zone with slopes between 15A degrees and 35A degrees. As for land use types, cropland and grassland contributed 84.1 % to total soil loss due to the large areas and higher erosion rates. The results can be used to advice the local government in prioritizing the areas of immediate conservation practices.
Indexed BySCI
Language英语
ISSN0921-030X
DOI10.1007/s11069-014-1569-6
Citation statistics
Document TypeSCI/SSCI论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/38667
Collection历年回溯文献
Recommended Citation
GB/T 7714
Jiang L. G.,Yao, Z. J.,Liu, Z. F.,et al. Estimation of soil erosion in some sections of Lower Jinsha River based on RUSLE. 2015.
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