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Morphology of Tigris River Within Baghdad City : Volume 16, Issue 10 (25/10/2012)

By Ali, A. A.

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Book Id: WPLBN0004010573
Format Type: PDF Article :
File Size: Pages 8
Reproduction Date: 2015

Title: Morphology of Tigris River Within Baghdad City : Volume 16, Issue 10 (25/10/2012)  
Author: Ali, A. A.
Volume: Vol. 16, Issue 10
Language: English
Subject: Science, Hydrology, Earth
Collections: Periodicals: Journal and Magazine Collection (Contemporary), Copernicus GmbH
Historic
Publication Date:
2012
Publisher: Copernicus Gmbh, Göttingen, Germany
Member Page: Copernicus Publications

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Knutsson, S., Al-Ansari, N. A., & Ali, A. A. (2012). Morphology of Tigris River Within Baghdad City : Volume 16, Issue 10 (25/10/2012). Retrieved from http://worldebookfair.com/


Description
Description: Department of Civil, Environmental and Natural Resources Engineering, Lulea University of Technology, Sweden. In recent years, substantial changes have occurred in the morphology of the River Tigris within Baghdad City. Although huge volumes of sediment are being trapped in recently constructed headwater reservoirs, the number of islands in the Tigris at Baghdad is increasing. The debris of bridges destroyed in the wars of 1991 and 2003 and their subsequent reconstruction have enhanced the development of these islands. As a consequence the ability of the river to carry the peaks of flood waters has been reduced. This has led to potential increase of flooding in parts of the city.

The bed of the River Tigris has been surveyed on three occasions (1976, 1991, and 2008). The most recent survey was conducted by the Ministry of Water Resources, extended 49 km from the Al-Muthana Bridge north Baghdad to the confluence with the Diyala River south Baghdad. It yielded cross-section profiles at 250 m intervals. The data are used to predict the maximum flood capacity for the river using the one-dimensional hydraulic model for steady flow HEC-RAS modeling. Calibration of the model was carried out using field measurements for water levels along the last 15 km of the reach and the last 10 yr of observation at the Sarai Baghdad gauging station.

The model showed a significant predicted reduction in the current river capacity below that which the river had carried during the floods of 1971 and 1988. The three surveys conducted on the same reach of the Tigris indicated that the ability of the river to transport water has decreased.


Summary
Morphology of Tigris River within Baghdad City

Excerpt
Korpak, J.: The influence of river training on mountain channel changes (Polish Carpathian Mountains), Geomorphology, 92, 166–181, 2007.; Encyclopaedia Britannica: available at: http://www.britannica.com/EBchecked/media/2034/Iraq, last access: 22 December 2010.; Geohydraulique: Tigris River training project within Baghdad City, report submitted to the Ministry of Irrigation-Iraq, Paris, 1977.; Herza Engineering Company: Hydrological survey of Iraq, report submitted to the Ministry of Agriculture-Iraq, Illinois, 1963.; Al-Ansari, N. A. and Knutsson, S.: Toward Prudent management of Water Resources in Iraq, J. Advanced Science and Engineering Research, 1, 53–67, 2011.; Al-Ansari, N. A. and Toma, A.: Bed characteristics of the River Tigris within Baghdad, J. Water Res., 3, 1–23, 1984.; Al-Ansari, N. A., Ali, S. H., and Taqa, A. S.: Sediment discharge of the River Tigris at Baghdad (Iraq), Proceedings of the Canberra Symposium, IAHS-AISH P., 128, 399–407, 1979.; Al-Ansari, N. A., Sayfy, A., Al-Sinawi, G. T., and Ovanessian, A. A.: Evaluation of the water quality for the lower reaches of River Tigris using multivariate analysis, J. Water Res., 5, 173–187, 1986.; Al-Ansari, N. A., Salman, H. H., and Al-Sinawi, G. T.: Periodicity of selected water quality parameters for the Tigris water at Baghdad, J. Water Res., 6, 11–17, 1987.; Al-Shahrabaly, Q. M.: River discharges for Tigris and Euphrates gauging stations, Ministry of Water Resources, Baghdad, 2008.; Lammersen, R., Engel, H., van de Langemheen, W., and Buiteveld, H.: Impact of river training and retention measures on flood peaks along the Rhine, J. Hydrol., 267, 115–124, 2002.; Marchi, E., Roth, G., and Siccardi, F.: The Po: Centuries of River Training, Phys. Chem. Earth, 20, 475–478, 1996.; Morris, G. L. and Fan, J.: Reservoir Sedimentation Handbook, McGraw Hill Book Co., New York, 2010.; NEDECO: Study of the navigation in Tigris River between Baghdad and Mosul, report submitted to the Ministry of Development, Amsterdam, 1958.; University of Technology: Training of Tigris River inside Baghdad City, report submitted to the Ministry of Agriculture and Irrigation-Iraq, Baghdad, 1992.

 

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