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Estimating rainfall-runoff is crucial for employing effective groundwater management strategies. Within this context, there are many methods for estimating surface rainfall-induced runoff, but the SCS-CN model remains the most popular and frequently applied model because its CN is the key element of the SCS-CN method and based on LULC, the kind of soil, and AMC. In addition, the SCS-CN model requires the input of a number of the factors, such as the HSG, P, AMC, and CNw. So, the SCS-CN model was used to simulate the surface runoff in the Kid Valley Basin Integrated into GIS. In the current study, results indicated the daily rainfall from the Kid Valley Basin for nineteen years, i.e., 2001 to 2019. In this regard, the annual average surface runoff calculated for the Kid Valley Basin is 6.10 mm and the overall average runoff volume is 6339.37 m2. Finally, these results showed that the hydrologic model can effectively support integrated management of watersheds in the Kid Valley Basin.

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Surface Runoff Estimation Using SCS-CN and GIS Approach in the Kid Valley Basin, Nebk Area, South-East Sinai, Egypt

  • 章节

  • 发表日期：

    2025年

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  • Ali Hagras

摘要

Estimating rainfall-runoff is crucial for employing effective groundwater management strategies. Within this context, there are many methods for estimating surface rainfall-induced runoff, but the SCS-CN model remains the most popular and frequently applied model because its CN is the key element of the SCS-CN method and based on LULC, the kind of soil, and AMC. In addition, the SCS-CN model requires the input of a number of the factors, such as the HSG, P, AMC, and CNw. So, the SCS-CN model was used to simulate the surface runoff in the Kid Valley Basin Integrated into GIS. In the current study, results indicated the daily rainfall from the Kid Valley Basin for nineteen years, i.e., 2001 to 2019. In this regard, the annual average surface runoff calculated for the Kid Valley Basin is 6.10 mm and the overall average runoff volume is 6339.37 m2. Finally, these results showed that the hydrologic model can effectively support integrated management of watersheds in the Kid Valley Basin.