Journal of Geological Society of India (Online archive from Vol 1 to Vol 78)

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Application of Universal Soil Loss Equation (USLE) to Recently Reclaimed Badlands along the Adula and Mahalungi Rivers, Pravara Basin, Maharashtra


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1 Department of Geography, University of Pune, Pune - 411 007, India
     

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The rapid erosion of soil by wind and water has been a problem since man began cultivating the land. Moreover soil erosion, as a hazard, has always been associated mainly with agriculture in the tropical and semi-arid areas. Soil loss through rill, gully and sheet erosion is a major environmental problem in India. Among all the predictive equations developed to estimate soil loss, the most accepted, used, convenient and suitable technique, for smaller areas like hillslopes and fields, is the Universal Soil Loss Equation (USLE). This method has been applied to the cultivated fields on either side of the gullied banks of the Adula and Mahalungi rivers, to estimate soil loss from fields under different crops. Rainfall data from the IMD has been used for the purpose. Field slope measurements, textural analysis of soil and determination of soil organic matter have also been carried out. Finally the soil loss has been computed from the generated data. The results have been used to ascertain whether the soil loss in the area is within or beyond the tolerance limit. It has been found that the soil loss in these areas have exceeded the tolerance limit and hence require due attention.

Keywords

Soil Loss, Nomograph, Tolerance Limit, Usle, Rusle, Erodibility, Erosivity, Pravara Basin, Maharashtra.
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  • Application of Universal Soil Loss Equation (USLE) to Recently Reclaimed Badlands along the Adula and Mahalungi Rivers, Pravara Basin, Maharashtra

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Authors

Debasree Sinha
Department of Geography, University of Pune, Pune - 411 007, India
Veena U. Joshi
Department of Geography, University of Pune, Pune - 411 007, India

Abstract


The rapid erosion of soil by wind and water has been a problem since man began cultivating the land. Moreover soil erosion, as a hazard, has always been associated mainly with agriculture in the tropical and semi-arid areas. Soil loss through rill, gully and sheet erosion is a major environmental problem in India. Among all the predictive equations developed to estimate soil loss, the most accepted, used, convenient and suitable technique, for smaller areas like hillslopes and fields, is the Universal Soil Loss Equation (USLE). This method has been applied to the cultivated fields on either side of the gullied banks of the Adula and Mahalungi rivers, to estimate soil loss from fields under different crops. Rainfall data from the IMD has been used for the purpose. Field slope measurements, textural analysis of soil and determination of soil organic matter have also been carried out. Finally the soil loss has been computed from the generated data. The results have been used to ascertain whether the soil loss in the area is within or beyond the tolerance limit. It has been found that the soil loss in these areas have exceeded the tolerance limit and hence require due attention.

Keywords


Soil Loss, Nomograph, Tolerance Limit, Usle, Rusle, Erodibility, Erosivity, Pravara Basin, Maharashtra.

References