نتایج جستجو برای: universal soil loss equation usle
تعداد نتایج: 939976 فیلتر نتایج به سال:
A Geographical Information System (GIS) based method is proposed and demonstrated for the identification of sediment source areas and the prediction of storm sediment yield from catchments. Data from the Nagwa and Karso catchments in Bihar (India) have been used. The Integrated Land and Water Information System (ILWIS) GIS package has been used for carrying out geographic analyses. An Earth Res...
The erosion caused by the action of rain is one most frequent environmental problems, and it causes several damages, both material human. aim this research was to evaluate dynamics based on a quantitative analysis soil loss in Jaboatão river basin, located coast Center Forest Area Pernambuco. With focus applying Geoprocessing resources, used Universal Soil Loss Equation (USLE), which integrates...
A software package was assembled and evaluated for assessing the potential of soil erosion due to agricultural development within the Nzoia River basin (Kenya). Google Earth Pro was used to define site characteristics. An extensive analysis of the components of the Universal Soil Loss Equation (USLE) and the US Forest Service sediment delivery ratio method was made to determine erosion potentia...
Soil erosion often leads to land degradation, agricultural production reduction, and environmental deterioration, which seriously restricts the sustainable development of regions. Clarifying driving factors soil is premise preventing erosion. Given lack current research on factors/force changes in different regions or under intensity grades, this paper pioneered use machine learning methods add...
Soil erosion risk is one of the most severe environmental problems that can affect water availability, agricultural productivity and consequently countries’ sustainable development worldwide. The current study was performed in Oued El Hamma Catchment, South-Eastern Tunisia to estimate soil loss, applying Universal Loss Equation (USLE) integrated with Geographic Information System (GIS) Remote S...
Abstract. Rainfall erosivity quantifies the effect of rainfall and runoff on rate soil loss. Maps are needed for erosion assessment using Universal Soil Loss Equation (USLE) its successors. To improve maps that currently available, hourly daily data from 2381 stations period 1951–2018 were used to generate new R-factor 1-in-10-year event EI30 mainland China (available at https://doi.org/10.1227...
Modified Universal Soil Loss Equation (MUSLE) is one of soil loss estimation models which has been developed based on the runoff characteristics in the event scale. However, it needs to be evaluated in the plot scale for the semi-arid rainfall events. With this aim, a field study was designed using twenty one plots. Runoff and soil loss were measured using 5-min samples under seven rainfall int...
Erosion Level Analysis and Conservation Planning Based on Geographic Information Systems in Rendang District, Karangasem Regency, Bali Province. The factor of rapid population growth leads to land conversion slopes used as agricultural land. In District erosion can be caused by unaccordance use with conservation principles Regosol soil types. This study aims determine the level its distribution...
This research was aimed to simulate and prioritize the effective factors on water erosion using USLE-M in the system dynamic model. In this integrated model, by using the system dynamic simulation software (Vensim), all variables and factors involved in erosion and soil loss were considered according to the USLE-M model. After model implementation, the estimated values and observations were com...
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