Impacts of Climate Change and Dam Construction on Tigris River Stream flow: A Case Study at Baghdad Sarai Station
Keywords:
Baghdad Sarai, Climatic changes, river flow, discharge, water level.Abstract
Baghdad Sarai gauging station is a hydrological gaging station started from 1906 to record surface water level for Tigris River at Baghdad capital, after this date, discharge measurements and other information recorded from automatic level recorder, sediment samplers, and meteorological equipment. This station recorded the highest discharge 7100m3/s from the flood of 1954 at water level 36m A.S.L, but the cross section of Tigris River at Baghdad Sarai was deterioration due to sedimentation and other causes. The recorded maximum flood discharge for 1988 was 3050m3/s at level 35m A.S.L., the expected capability of river cross section for year 2022 will not exceed 3000m3/sec for the same level. This study deals with the historical information of Baghdad Sarai station, analysis of discharge formulas, and analysis of water flows for the period 1930-2022. Impact of climatic changes on river flows for the period 1999-2022, impact of dams’ construction on Tigris River tributaries for the period 1954-2000 and the expected Tigris River drought flows in the future.
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