Estimating RUNOFF AND SEDIMENT YIELD USING KW-GIUH AND MUSLE MODELS
Runoff and Sediment yield modeling
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In the present study, efforts were made to develop one Kinematic Wave and Geomorphic Instantaneous Unit hydrograph theory based and MUSLE model based rainfall-runoff and sediment yield estimating model for un-gauged/in-adequately gauged micro watersheds. The developed model was tested for its application potential on 3-ecologically diverse micro watersheds in Almora district of Uttaranchal. Proposed model simulated total runoff volumes for three micro watersheds were found to be associated with mean relative errors ranging between 16% to 38%. The developed KW-GIUH-MUSLE model was also tested f...
In the present study, efforts were made to develop one Kinematic Wave and Geomorphic Instantaneous Unit hydrograph theory based and MUSLE model based rainfall-runoff and sediment yield estimating model for un-gauged/in-adequately gauged micro watersheds. The developed model was tested for its application potential on 3-ecologically diverse micro watersheds in Almora district of Uttaranchal. Proposed model simulated total runoff volumes for three micro watersheds were found to be associated with mean relative errors ranging between 16% to 38%. The developed KW-GIUH-MUSLE model was also tested for its potential to give realistic sediment yield estimates for 11 storms/events in a test micro- watershed. It was observed that these sediment yield estimates were associated with about 6% mean relative error and 0.94 mean DV value. The above analysis could thus clearly show that the developed KW-GIUH-MUSLE model can indeed be utilized for obtaining reasonable surface runoff and sediment yield estimates.
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