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عنوان المقال عربي

الخصائص المساحية والمورفولوجية للأحواض في منطقة أم الخلان ببادية محافظة المثنى

اسم الباحث عربي

عبد المحسن المشعلاوي، سفير جاسم حسين

Abstract

The Umm Al-Khailan area, located in the Badia of Al-Muthanna Governorate, includes four basins: Al-Ghadeer, Abu Nakhila, Abu-Hayas and Umm Al-Khailan. Its occupies an area of ​​684.4Km2. The study showed that the basins varied in their areal and formal characteristics, as their areas ranged between 42.8 - 432.4 km2, while their perimeters ranged between 49.4 - 231.9 km, and their length ranged between 17.8 - 68.9 km, and the average width ranged between 2.4 - 8.3 km, which indicates All ponds are characterized by increased length compared to width. As for the morphological characteristics, they varied from one basin to another, as the rate of elongation ranged between 0.34 - 0.40, which means that all basins have a shape similar to a rectangular. As for the circulation rate, it ranged between 0.17 - 0.23, which means that the basns move away from the circular shape, and the perimeter cohesion in the study basins ranged between 2.2 - 3.2. As for the divergence coefficient in the basins of the study area, it appeared that Al-Ghadir Basin is bulging, while other three basins are not dented. The values ​​of the integration coefficient increased in all basins of the study area, which indicates the elongation of the basins, the ir shapes, while the values ​​of the average length increased to asymmetry meandering of their surroundings. They are still at the beginning of their geomorphological cycle, while the ratio of length to width increased in all indications that all basins tend to be elongated rather than circulation.

Keywords

Al-Muthanna Governorate, spatial and morphological characteristics, water basins, Umm Al-Khailan, Al-Muthanna Governorate desert

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