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Evaluation of HEC-HMS & WMS Rainfall-Runoff Model for Part of Baitarani Sub-Basin

Anurag Singh, Rajeev Kumar Mishra

Abstract: Conceptual rainfall-runoff model using HEC-HMS and WSM representing catchment hydrological response to rainfall as a series of mathematical relationships for Baitarani sub-basin has been modelled in source software. The observed data of several rainfall stations inside the river basin are input in the model system along with potential evapotranspiration and the results are calibrated with the observed data of daily discharge at Anandapur gauge and discharge site (G&D) for a period of about 17 years. The warm up and validation periods is taken as 1 year for 2008 which shows the highest observed peak flow. The optimum value of HMS model parameters are observed within the maximum and minimum limits. Drainage network and sub ?basin delineation for the watershed Anandapur has been used as an objective function to describe the agreement between the modelled stream flow and observed stream flow time series. The calibration and validation are fairly overlapping modelled and observed discharge (flow) graph which is an indicaton of good model performance.

Keywords: HEC-HMS, WMS, Rainfall- runoff modelling, SMA, DEM, Hydrological alteration, Simulated flow

Country: India, Subject Area: Civil Engineering

Pages: 731 - 734

Edition: Volume 8 Issue 3, March 2019

How to Cite this Article?

Anurag Singh, Rajeev Kumar Mishra, "Evaluation of HEC-HMS & WMS Rainfall-Runoff Model for Part of Baitarani Sub-Basin", International Journal of Science and Research (IJSR),, Volume 8 Issue 3, March 2019, 731 - 734

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