Tigris divides Baghdad, capital of Iraq, in two parts. The reach of the river
within Baghdad is about 60 km long. Many islands and bars are obstructing the
flow of the river within Baghdad. To overcome this problem, dredging operations
started along most of Tigris River inside Baghdad City to remove many islands
and side bars, which reduced the flooding capacity and the efficiency of water
intakes. An examination for the dredging plan under process and two proposed
additional plans was performed using the Hydrologic Engineering Centers River
Analysis System software (HEC-RAS) for a 50 km long river reach to investigate
whether they can recover the designed flooding capacity of the river or just
improving it. Calibration and verification processes were implemented in the
model using observed water levels at Sarai Baghdad gauging station and along
the last 15 km of the river reach. Comparisons of computed water levels were
conducted with those of previous studies and historical data. Some improvement
of flood capacity was achieved based on the recorded data of the last three
decades. Cautions about the water intakes should be considered to maintain
their function with the expected drop in water level due to dredging operations.
Cite this paper
Ali, A. , Al-Suhail, Q. , Al-Ansari, N. and Knutsson, S. (2014) Evaluation of Dredging Operations for Tigris River within Baghdad, Iraq. Journal of Water Resource and Protection
, 202-213. doi: 10.4236/jwarp.2014.64026
 Ali, A.A., Al-Ansari, N.A. and Knutsson, S. (2012) Morphology of Tigris River within Baghdad City. Journal of Hydrology and Earth System Sciences, 16, 3783-3790. http://dx.doi.org/10.5194/hess-16-3783-2012
 Al-Ansari, N.A. and Knutsson, S. (2011) Toward Prudent Management of Water Resources in Iraq. Journal of Advanced Science and Engineering Research, 1, 53-67.
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 Ali, A.A. (2013) Morphology of Tigris River inside Baghdad City. Licentiate Thesis, Lulea University of Technology, Lulea.
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 University of Technology (1992) Training of Tigris River inside Baghdad City. Report Submitted to the Iraqi Ministry of Agriculture and Irrigation, Baghdad.
 IMoWR (Iraqi Ministry of Water Resources) (2013) The Aims of the Dredging of Tigris River, 2013.http://www.mowr.gov.iq/?q=node/571 (in Arabic)
 OERDW (Office of Executing Rivers Dredging Works) (2013) http://erdw.mowr.gov.iq/ (in Arabic)