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Modelling and mapping of soil erosion in the north-eastern frontier Himalayan ranges of India using remote sensing and GIS

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Title Modelling and mapping of soil erosion in the north-eastern frontier Himalayan ranges of India using remote sensing and GIS
Not Available
 
Creator VANLALCHHUANGA
ROOMESH KUMAR JENA P.C. MOHARANA
NIRMAL KUMAR
RAM PRASAD SHARMA, BACHASPATI DAS, PARTHA DEB ROY and SANJAY KUMAR RAY
 
Subject Geospatial technologies, Northeastern Himalayan ranges, Remote sensing and GIS, Soilerosion, Spatial assessment
 
Description Research article
Soil erosion is a land degradable problem cause by natural resources. In context of North EasternHimalayan ranges, it is a common soil degradation process due to fragile nature of soil and ecosystem.The aim of this study is to assess the soil erosion of Mahadevpur block, Namsai district of ArunachalPradesh by RUSLE method using remote sensing and GIS environment. In this study, Sentinel 2 data ofthe study area was used to prepare land use/land cover (LU/LC) map by visual interpretation techniqueand ALOS digital elevation model (DEM) was used to develop slope, contour, flow direction and flowaccumulation maps. Thematic raster layers of RUSLE factors (R, K, LS, C and P) were computed andused to estimate average annual soil loss by ArcGIS 10.3 software. The results showed that maximumarea was (37.10%) under very slight soil loss class (< 5.0 t ha-1 yr-1). However, the extremely severe soilloss(> 80.0 t ha-1 yr-1) was observed in 7.0 % of the study area which was confined to terrain features suchas lateral bar, meander scar, point bar, braided bar and channel bar. It was proved that, use of geospatialtechnologies in combination with RUSLE is a comprehensive approach, which helped in spatialassessment of soil erosion for better resource planning and taking up suitable conservation measures.
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Date 2024-02-22T11:14:05Z
2024-02-22T11:14:05Z
2022-10-01
 
Type Article
 
Identifier Not Available
ISSN: 022-457X (Print); 2455-7145 (Online)
http://krishi.icar.gov.in/jspui/handle/123456789/81511
 
Language English
 
Relation Not Available;
 
Publisher the Soil and Water Conservation Society