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Integration of Geospatial Techniques in Environment Monitoring Systems
Published in Satya Prakash Maurya, Akhilesh Kumar Yadav, Ramesh Singh, Modeling and Simulation of Environmental Systems, 2023
S. Sreedevi, Rakesh Kumar Sinha, T. I. Eldho
SHETRAN is a fully distributed physically based model for flow, sediment and contaminant transport in river basins (Ewen et al., 2000). Finite difference method is used to solve the partial differential equations for flow and transport in SHETRAN. The model has a grid-column structure with a river link network running along edges of grid square. The details of equations which govern the hydrological process representation are provided in SHETRAN manual (SHETRAN, 2013a, 2013b). The SHETRAN model can be interfaced with GIS platforms and data from GIS/ RS can be directly used as data input files (Sreedevi and Eldho, 2020; 2021).
Effects of grid-size on effective parameters and model performance of SHETRAN for estimation of streamflow and sediment yield
Published in International Journal of River Basin Management, 2021
The present study focuses on calibration of water flow and sediment component of SHETRAN model for the Netravathi river basin. SHETRAN is a physically based spatially distributed hydrologic model capable of representing catchment scale hydrologic processes, erosion and sediment transport (Ewen et al., 2000; Wicks & Bathurst, 1996). SHETRAN model (http://research.ncl.ac.uk/shetran) has been improved upon over the SHE (Système Hydrologique Europeen) (Abbott et al., 1986a, 1986b) with the addition of sediment component (Wicks, 1988; Wicks & Bathurst, 1996) and a subsurface water flow component which is fully 3D (Parkin, 1996). The SHE model could reproduce rainfall-runoff processes in catchments of Narmada basin, India, indicating the suitability of this model in Indian hydrological conditions (Jain et al., 1992; Refsgaard et al., 1992).