An improved method for calculating slope length (λ) and the LS parameters of the Revised Universal Soil Loss Equation for large watersheds
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چکیده
منابع مشابه
Extension and validation of a geographic information system–based method for calculating the Revised Universal Soil Loss Equation length-slope factor for erosion risk assessments in large watersheds
A geographic information system-based (GIS) method for estimating the lengthslope (LS) factor of the Revised Universal Soil Loss Equation using national-scale datasets was developed and validated. The method was applied to approximately two-thirds of the Mississippi River basin, focusing on agricultural subwatersheds in the Midwest. The results were validated by comparing the GIS-based statisti...
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15 صفحه اولComputing the LS factor for the Revised Universal Soil Loss Equation through array-based slope processing of digital elevation data using a C++ executable
Until the mid-1990s, a major limitation of using the Universal Soil Loss Equation and Revised Universal Soil Loss Equation erosion models at regional landscape scales was the difficulty in estimating LS factor (slope length and steepness) values suitable for use in geographic information systems applications. A series of ArcInfo Arc Macro Language scripts was subsequently created that enabled t...
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ژورنال
عنوان ژورنال: Geoderma
سال: 2017
ISSN: 0016-7061
DOI: 10.1016/j.geoderma.2017.08.006