NDLI: Use of Annagnps for Watershed Modeling in Siwalik Hills of Nepal

Content Provider	Semantic Scholar
Author	Kachitvichyanukul, Voratas Purintrapiban, Ussanee Utayopas, Poranee
Copyright Year	2004
Abstract	A study was conducted to evaluate the predictive capability of Annualized Agricultural Non Point Source (AnnAGNPS) model with respect to surface runoff, peak flow and sediment yield on a 130.8 ha watershed in Siwalik Hills of Nepal. Rainfall, stream discharge, surface runoff, sediment yield, topography, soil type, and land use were taken from database of MSEC project. The model was calibrated and validated by using the data of year 2001 and 2002 respectively. The model underestimated the runoff volume by 15% during calibration and 22% during validation .The average peak flows were overestimated by 2.5 to 4 times more than the observed values. Similarly, the model over predicted the average sediment yield by 120% and 153% of the measured values for the year 2001 and 2002 respectively. These results showed that the model performs well in simulating runoff volumes compared to the peak flows and sediment yield.
File Format	PDF HTM / HTML
Alternate Webpage(s)	http://mssanz.org.au/simmod05/papers/C4-02.pdf
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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