Volume 11, Issue 22 (10-2020)                   jwmr 2020, 11(22): 43-57 | Back to browse issues page

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lotfinasabasl S, khosroshahi M, gohardoust A, Khaksarian F, Abbasi H. Assessment of koopal river flow and the runoff potential estimation of Southeast dust source of Ahwaz. jwmr. 2020; 11 (22) :43-57
URL: http://jwmr.sanru.ac.ir/article-1-969-en.html
Research Institute of Forests and Rangelands
Abstract:   (456 Views)
Iran's location on the arid world belt, the occurrence of climate change and global warming and the increased in human interference have resulted in dust storms phenomenon in the western and southwestern parts of the country, especially in Khuzestan province. The present study has been aimed at investigating the existing water resources of the province for the watering operation of the southeastern dust source of Ahvaz with the first priority for providing A quick solution. Since this site is located within the catchment area of the river of Koopal, to study the discharge rate and its runoff the station of koopal number 3 was selected and its average discharge and rainfall were surveyed during the years 1982 - 12014 and 1982 – 2012 respectively and the soil conservative service method of USA along with GIS and RS tehniques were used.The results showed that the average annual discharge rate of the Koopal River was, 2.49 m 3/s, so that the highest was in winter and the lowest was in summer. On the other hand, the results showed that the studied area from the southeast of Ahwaz can produce an annual runoff volume of 34.14 million cubic meters Which is 31 million cubic meters in fall and winter seasons. Therefore, regarding the annual runoff volume of koopal River and the southeast dust source of Ahwaz, especially in the winter season because of the increasing in the frequency of south-eastern wind as the main cause of dust storms phenomenon, to carry out the operations of watering and restoring vegetation cover with a proper management water usage plan in the upstream of the river.
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Type of Study: Research | Subject: مديريت حوزه های آبخيز
Received: 2018/10/15 | Revised: 2021/03/3 | Accepted: 2020/08/2 | Published: 2021/03/3

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