PREDICTION OF STREAMFLOW IN UNGAUGED CATCHMENT USING HYDROLOGICAL MODELLING

The urbanization process transforms riverine resources, which constitute the foundation of life. In order to revitalize riverine ecosystems, this has to be well analyzed. Using hydrological modelling, which is used in this work, makes it easier to analyzed the consequences of land-use dynamics. The Soil and Water Assessment Tool (SWAT), which has the capacity to quantify the alternative input data supplied to the model, is a useful tool for modelling the river basin. The given model, which had a warm-up time of two years, was used to replicate 14-years' worth of monthly data. The investigation yielded a coefficient of determination of 0.93 and a Nash-Sutcliffe efficiency (NSE) of 0.88, both of which show that the simulated values are within good ranges. Curve number, soil water holding capacity, groundwater delay, Manning's n, and plant uptake compensation are found to have the most effects. The SWAT Calibration and Uncertainty Procedures (SWAT-CUP) accuracy was improved by using the fitted range, which was discovered. Because it takes into account all potential uncertainties in the mode and has effective uncertainty consideration criteria, Sequential Uncertainty Fitting ver. 2 (SUFI2) has been widely accepted. We may evaluate the effect of alternate input data on the stream flow by using hydrological modelling of a river basin.