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      An Upscaling Method for Cover-Management Factor and Its Application in the Loess Plateau of China

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          Abstract

          The cover-management factor (C-factor) is important for studying soil erosion. In addition, it is important to use sampling plot data to estimate the regional C-factor when assessing erosion and soil conservation. Here, the loess hill and gully region in Ansai County, China, was studied to determine a method for computing the C-factor. This C-factor is used in the Universal Soil Loss Equation (USLE) at a regional scale. After upscaling the slope-scale computational equation, the C-factor for Ansai County was calculated by using the soil loss ratio, precipitation and land use/cover type. The multi-year mean C-factor for Ansai County was 0.36. The C-factor values were greater in the eastern region of the county than in the western region. In addition, the lowest C-factor values were found in the southern region of the county near its southern border. These spatial differences were consistent with the spatial distribution of the soil loess ratios across areas with different land uses. Additional research is needed to determine the effects of seasonal vegetation growth changes on the C-factor, and the C-factor upscaling uncertainties at a regional scale.

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          Event soil loss, runoff and the Universal Soil Loss Equation family of models: A review

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            Assessment of soil erosion at large watershed scale using RUSLE and GIS: a case study in the Loess Plateau of China

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              Effect of vegetation cover on soil erosion in a mountainous watershed

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                Author and article information

                Journal
                Int J Environ Res Public Health
                Int J Environ Res Public Health
                ijerph
                International Journal of Environmental Research and Public Health
                MDPI
                1661-7827
                1660-4601
                09 October 2013
                October 2013
                : 10
                : 10
                : 4752-4766
                Affiliations
                [1 ]State Key Laboratory of Earth Surface Processes and Resource Ecology, College of Resources Science and Technology, Beijing Normal University, 19 Xinjiekou Outer Street, Beijing 100875, China
                [2 ]State Key Laboratory of Urban and Regional Ecology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, 18 Shuangqing Road, Beijing 100085, China; E-Mail: bfu@ 123456rcees.ac.cn
                [3 ]School of Geography, Beijing Normal University, 19 Xinjiekou Outer Street, Beijing 100875, China; E-Mail: qiuyang69@ 123456bnu.edu.cn
                Author notes
                [* ] Author to whom correspondence should be addressed; E-Mail: zhaoww@ 123456bnu.edu.cn ; Tel./Fax: +86-10-5880-2125.
                Article
                ijerph-10-04752
                10.3390/ijerph10104752
                3823341
                24113551
                092bf7fb-6075-4640-be87-eb2a9d59a310
                © 2013 by the authors; licensee MDPI, Basel, Switzerland.

                This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution license ( http://creativecommons.org/licenses/by/3.0/).

                History
                : 25 July 2013
                : 26 September 2013
                : 27 September 2013
                Categories
                Article

                Public health
                cover-management factor,scale,soil erosion,rainfall erosivity,universal soil loss equation (usle),soil conservation,c-factors

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