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تقدير حجم الجريان السطحي في حوض وادي االنا باستخدام نموذج منحنى الجريان (SCS-CN).

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Τίτλος: تقدير حجم الجريان السطحي في حوض وادي االنا باستخدام نموذج منحنى الجريان (SCS-CN).
Συγγραφείς: عهود علي مجيد1, محمد إبراهيم غثو1
Πηγή: REMAH Journal. 2026, Issue 157, Part 5, p163-182. 20p.
Θεματικοί όροι: Runoff, Runoff models, Ground vegetation cover, Water management, Soil permeability, Soil infiltration, Runoff analysis, Watersheds
Εταιρία/Οντότητα: United States. Natural Resources Conservation Service
Περίληψη: This research aims to investigate the natural factors affecting the volume of surface runoff in Wadi Al-Ana Basin and to estimate runoff volume using the Soil Conservation Service Curve Number (SCS-CN) model, which is considered one of the most efficient hydrological methods for estimating surface runoff in ungauged drainage basins. The study relied on analyzing several natural characteristics influencing runoff generation, including geological structure, slope, elevation, and climatic elements represented by rainfall, temperature, and evaporation, in addition to land cover and hydrological soil groups. The results revealed the dominance of hydrological soil group (D) over most parts of the basin, which is characterized by low permeability and high runoff potential. The study also showed that poor vegetation cover occupies the largest proportion of the basin area, contributing to the increase in Curve Number (CN) values across wide parts of the study area. The category (CN = 89) recorded the highest spatial distribution, indicating low soil water retention capacity and a high probability of surface runoff generation. The research applied the SCS-CN equations to estimate runoff depth and runoff volume based on rainfall data and the natural characteristics of the basin. The findings demonstrated a clear relationship between the basin’s natural characteristics and the increase in surface runoff volume, especially in areas characterized by steep slopes and low-permeability soils. The study highlights the importance of hydrological analysis in supporting water resources management and providing a scientific basis for water harvesting projects and flood risk reduction. [ABSTRACT FROM AUTHOR]
Copyright of REMAH Journal is the property of Research & Development of Human Recourses Center (REMAH) and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Data: تقدير حجم الجريان السطحي في حوض وادي االنا باستخدام نموذج منحنى الجريان (SCS-CN).
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  Data: This research aims to investigate the natural factors affecting the volume of surface runoff in Wadi Al-Ana Basin and to estimate runoff volume using the Soil Conservation Service Curve Number (SCS-CN) model, which is considered one of the most efficient hydrological methods for estimating surface runoff in ungauged drainage basins. The study relied on analyzing several natural characteristics influencing runoff generation, including geological structure, slope, elevation, and climatic elements represented by rainfall, temperature, and evaporation, in addition to land cover and hydrological soil groups. The results revealed the dominance of hydrological soil group (D) over most parts of the basin, which is characterized by low permeability and high runoff potential. The study also showed that poor vegetation cover occupies the largest proportion of the basin area, contributing to the increase in Curve Number (CN) values across wide parts of the study area. The category (CN = 89) recorded the highest spatial distribution, indicating low soil water retention capacity and a high probability of surface runoff generation. The research applied the SCS-CN equations to estimate runoff depth and runoff volume based on rainfall data and the natural characteristics of the basin. The findings demonstrated a clear relationship between the basin’s natural characteristics and the increase in surface runoff volume, especially in areas characterized by steep slopes and low-permeability soils. The study highlights the importance of hydrological analysis in supporting water resources management and providing a scientific basis for water harvesting projects and flood risk reduction. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of REMAH Journal is the property of Research & Development of Human Recourses Center (REMAH) and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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    Languages:
      – Code: ara
        Text: Arabic
    PhysicalDescription:
      Pagination:
        PageCount: 20
        StartPage: 163
    Subjects:
      – SubjectFull: Runoff
        Type: general
      – SubjectFull: Runoff models
        Type: general
      – SubjectFull: Ground vegetation cover
        Type: general
      – SubjectFull: Water management
        Type: general
      – SubjectFull: Soil permeability
        Type: general
      – SubjectFull: Soil infiltration
        Type: general
      – SubjectFull: Runoff analysis
        Type: general
      – SubjectFull: Watersheds
        Type: general
      – SubjectFull: United States. Natural Resources Conservation Service
        Type: general
    Titles:
      – TitleFull: تقدير حجم الجريان السطحي في حوض وادي االنا باستخدام نموذج منحنى الجريان (SCS-CN).
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          Name:
            NameFull: عهود علي مجيد
      – PersonEntity:
          Name:
            NameFull: محمد إبراهيم غثو
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          Dates:
            – D: 30
              M: 07
              Text: 2026
              Type: published
              Y: 2026
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              Value: 157, Part 5
          Titles:
            – TitleFull: REMAH Journal
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