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Geomorphological Aspects for Runoff Prediction in a Himalayan Catchment

机译：喜马拉雅集水区径流预测的地貌方面

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摘要

The present study was undertaken to explore the geomorphological characteristics of the catchment of river Bino, a tributary of Ramganga river, located in the Himalayan region to develop a geomorphological instantaneous unit hydrograph (GIUH). The prediction performance of the developed GIUH was evaluated by comparing the peak discharge (q_p) and time to peak (t_p). It was observed that the absolute prediction error (APE), absolute percentage error (PE) for all estimated values of peak discharge and time to peak were, in general, well within the acceptable limits. It was also found that the extent of the map scale has a significant effect on the prediction performance of the developed model as it affects the values of some of the geomorphological parameters of the catchment.
机译：本研究探讨了位于喜马拉雅大地区的Ramganga River河道河河河流域的地貌特征，以开发地貌瞬间单位水文编程（GIUH）。通过将峰值放电（Q_P）和时间与峰值（T_P）进行比较来评估显影GIUH的预测性能。通过一般来说，观察到绝对预测误差（APE），用于所有估计的峰值放电和峰值时间值的绝对百分比误差（PE）是在可接受的限度内。还发现地图规模的程度对开发模型的预测性能产生了显着影响，因为它影响了集水区的一些地貌参数的值。

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