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Jerash for Research and Studies Journal مجلة جرش للبحوث والدراسات

Jerash for Research and Studies Journal مجلة جرش للبحوث والدراسات

Abstract

The study aimed to analyze the morphometric characteristics of Kufranajeh and Rajab basins in Ajloun governorate. It concluded that the elongation coefficient for Kufranajeh Valley basin reached (0.57) and for Wadi Rajab basin (0.55), which means that the two basins are elongated and far from the circular shape. This indicates that the basin has not been exposed for a long period of erosion. The value of the drainage density in Kufranajeh basin was (0.78), and in Wadi Rajab basin (0.76), which can be explained by the presence of many springs, and that the runoff is limited to several channels in the basin. Whereas the total relief of Kufranajeh basin reached 1400 m compared with Rajab basin 1150 m, and the general average of relief in Kufranajeh basin was 68.6 m / km and Wadi Rajab basin was 82 m / km. These high rates indicate the small area of the basin and the intensity of the erosion process on the slopes of the basin, which is evident through the Hypsometric curve of Kufranajeh Valley basin of 65.1% and of Wadi Rajab Basin of 65.2%. This indicates that these valleys are in the youth stage of the erosion cycle and their rock formations are still waiting for their role in the erosion cycle

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