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عنوان المقال عربي

السيطرة على فيضانات مروحة رانية في شمال العراق وفق نموذج فيلمان (دراسة جيومورفولوجية)

اسم الباحث عربي

جميلة فقير محمد، إسحاق صالح العلكام

Abstract

The research dealt with the study of the flow on the surface of the Rania flood fan located in the north of Iraq within the Sulaymaniyah Governorate by applying the (Filmman) model for the purpose of identifying the dangerous areas and finding solutions to those areas from the risk of flooding. After studying the morphometric analysis of the waterways of the fan, the role of the natural factors represented by tectonic, geological, climate and hydrology was highlighted in the occurrence of torrents, which are among the most severe, The geomorphological facilities hazards affected by urban, agricultural lands and road networks on the surface of flood fans. The total number of waterways reached (948) streams, and the total lengths of the waterways amounted to (446689) m. Three channels of waterways appeared on the surface of the Rani flood fan, which are the bed rocks channel pattern, the semi-dominant channel pattern, and the alluvial channel pattern. The research found that the flow risk values ​​fall within the first category of the final classification table for the equations of the (Filman) model with the risk value (High), which represented the dangerous flood areas, where it appeared that the expenditures at the points (q1, q2, q3) fall within the high-risk drainage According to the final classification of the Felman equations Where their expenses amounted to (0.87, 0.87, 0.70), and thus, they are dangerous areas, while the points (q4, q5) are areas of medium risk, as they fall within the average risk, according to the final classification of the Felman equations, its expenses amounted to (0.45, 0.57).

Keywords

Flood, Rania Fan, Filmman Model

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