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Geohydrological Investigation of a Lake: Case Study of Lake of Sayf Thulfiqar

Namir K. S. Al-Saoudi, Mohammed Shaker Mahmood, Salam A. Abbas





A reservoir is defined as an enlarged natural or artificial lake. A reservoir, also, means storage pond or using dam to store water. An artificial lake namely "Sayf Thulfiqar" is decided to be constructed artificially in the region of Bahar Al-Najaf in Najaf province in Iraq for storage and aesthetic purposes. The soil of the region is unsaturated above water table and it is mainly sand as classified according to USCS. The geotechnical properties are investigated through site exploration sampling. The hydrological properties of the site were examined and mainly are the rate of infiltration and permeability. The water balance of the lake is evaluated through the investigation of probable water resources and losses of water through evaporation and infiltration from the lake. The results illustrate that there is variation in hydrological properties with time. The permeability varied from 1.5 to 5.5 m/day, and mainly the loss of water is due to infiltration. For water balance of the lake, 42 to 49 wells of 300 l/min are required to fill the lake. With elimination of infiltration, the number of wells decrease to 8 to 15 according to minimum and maximum water demand. The lake needs to construct an overflow system and may be connected to Al-Sadeer river.

Keywords: Artificial lake, Najaf, water balance, infiltration rate, sand soils

Cite this Article

Al-Saoudi Namir KS, Mohammed Shaker Mahmood, Abbas Salam A. Geohydrological Investigation of a Lake: Case Study of Lake of Sayf Thulfiqar. Recent Trends in Civil Engineering & Technology. 2018; 8(1): 11–19p.

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