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Assessment of soil erosion in sub tropical ecosystem of Meghalaya, India using remote sensing, GIS and RUSLE

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Title Assessment of soil erosion in sub tropical ecosystem of Meghalaya, India using remote sensing, GIS and RUSLE
Not Available
 
Creator Jena, R.K., Padua, S., Ray, P., Ramachandran, S., Bandyopadhyay, S., Roy, P. Deb, Obi Reddy, G.P., Singh, S.K. and Ray, S.K.
 
Subject Geo-spatial technique, Geo-statistics, Hydrology, Spatial assessment, Soil erosion
 
Description Not Available
Erosion is one of the major threats to the soils that limits its productive
capacity. Soil erosion in Jirang block, Ri-Bhoi district of Meghalaya under sub
tropical eco-system was assessed using revised universal soil loss equation
(RUSLE) in geographic information system (GIS). In the study, IRS P6 LISS IV
data of the study area was used to prepare land use/land cover (LU/LC) map
by visual interpretation technique and digital elevation model (DEM) was
generated from Cartosat-1 data, which was further used to develop slope,
contour, flow direction and flow accumulation maps. Thematic raster layers of
RUSLE factors (R, K, LS, C and P) were computed and used to estimate average
annual soil loss in GIS (ArcGIS 10.0). The results showed that about 30% area is
subject to severe (20.1-40.0 t ha-1yr-1) to extremely severe (>80.0 t ha-1yr-1). Based
on the severity of soil erosion in the block, Umkadhar, Mokirson, Mauling and
Dagiya Parbat villages have been categorized under high priority zone with
severe (20.1-40.0 t ha-1yr-1) to extremely severe (>80.0 t ha-1yr-1). The soil erosion
was found to be higher near to the 1st and 2nd order streams where soil
conservation measures are imminent. The study demonstrated that use of
geospatial technologies in combination with RUSLE is a comprehensive
approach for spatial assessment of soil erosion for better resource planning
Not Available
 
Date 2020-05-25T03:10:22Z
2020-05-25T03:10:22Z
2018-12-31
 
Type Research Paper
 
Identifier Jena, R.K., Padua, S., Ray, P., Ramachandran, S., Bandyopadhyay, S., Roy, P. Deb, Obi Reddy, G.P., Singh, S.K. and Ray, S.K. (2018) Assessment of soil erosion in sub tropical ecosystem of Meghalaya, India using remote sensing, GIS and RUSLE. Indian Journal of Soil Conservation, 46(3):273-282
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http://krishi.icar.gov.in/jspui/handle/123456789/36278
 
Language English
 
Relation Not Available;
 
Publisher Not Available