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Sediment Yield Assessment of a Large Basin using PSIAC Approach in GIS Environment

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Title Sediment Yield Assessment of a Large Basin using PSIAC Approach in GIS Environment
 
Creator GARG, V
JOTHIPRAKASH, V
 
Subject Sediment yield
Erosion
Pacific Southwest Inter-Agency Committee model (PSIAC)
Geomorphology
Geographical Information System (GIS)
SOIL-EROSION MODEL
DRAINAGE BASINS
CATCHMENT
PREDICTION
TRANSPORT
SCALE
RATES
AREAS
SPAIN
RIVER
 
Description Reservoirs are the key infrastructure for the socio-economic development of a country. The reservoirs are proven to be a remedial solution of highly erratic spatial and temporal availability of water. The growth in population and consequent developmental activities within a catchment area has shown to aggravate the problem of sedimentation which comprised of erosion, sediment transport and its deposition in these reservoirs. Among all above mentioned, reservoir sediment deposition is most important as it reduces its useful life and impairs the purposes of these vast water resource. The sediment yield has been considered as comprehensive index for assessing sustainability of such resources. The present study investigates the suitability of Pacific Southwest Inter-Agency Committee (PSIAC) model in determining the sediment yield rate for a drainage basin considering nine basin factors in geographical information system (GIS) environment. For the analysis, a large river basin at the foothill of Himalayas in India has been considered as case study. It was realized that the GIS approach made large basin characteristic sampling very easy and efficient for this hilly basin. A regression equation between specific sediment yield and effective model factors was established based on geomorphic features for this basin. It was observed that most of the basin area is falling under moderate to high sediment yielding potential zone, leading to high sediment yield.
 
Publisher SPRINGER
 
Date 2014-10-16T13:50:10Z
2014-10-16T13:50:10Z
2012
 
Type Article
 
Identifier WATER RESOURCES MANAGEMENT, 26(3)799-840
http://dx.doi.org/10.1007/s11269-011-9945-4
http://dspace.library.iitb.ac.in/jspui/handle/100/15709
 
Language en