Study of Sediments Accumulated of Tigris River in Al-Kut Barrage and Their Effect on Engineering Criteria of River Sections
Al-Qadisiyah Journal For Agriculture Sciences,
2021, Volume 11, Issue 1, Pages 1-9
AbstractThe study was conducted on the Tigris River, in front of the Al-Kut Barrage. The study period continued (11 months), where six vertical sections were chosen upstream of Kut Barrage, the distance between one section to another was 100 m. The first section begins at 350 m from the front of Barrage. The result showed that variation in the discharge of Tigris River in upstream of Kut Barrage during the months of the study period, and it is noticed that the values of the discharge of the studied sections ranged from 117.35 m3/sec to 542.71 m3/sec, and the lowest average value of discharge was 217.84 m3/sec on August 2018, and the high average value of discharge was 411.19 m3/sec on February 2019. The values of velocity of the current water of the studied sections ranged from 0.121 m/sec to 0.567 m/sec, and the lowest value of velocity was 0.225 m/sec on August 2018, and the high average value of velocity was 0.402 m/sec on April 2019. The flow area of Tigris River ranged from 295.6 m2 to 2080. 8 m2 during the period of study. The depth of water levels of Tigris River ranged from 1.36m to 4.68 m, the area of accumulated sediments upstream of Al-Kut Barrage ranged from 1069.2m2 to 2854. 4 m2 during the period of study. The volume of the accumulated sediments upstream Al-Kut Barrage ranged from 139000m3 to 257740m3.
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