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Trends in Applied Sciences Research
  Year: 2014 | Volume: 9 | Issue: 9 | Page No.: 545-556
DOI: 10.3923/tasr.2014.545.556
 
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Spatial Pattern of Groundwater Quality and its Impact on Pipes and Wells Equipment Corrosion in Al-Hassa Oasis Kingdom of Saudi Arabia

A.H. Alhameid and A.A. Al- Naeem

Abstract:
The aim of this study is to find a comparison between the different agricultural areas of Al-Hassa Oasis as spatial pattern of changes on groundwater quality in Al-Hassa Oasis to identify the most vulnerable areas of corrosion to pipes and well equipments. The study was carried from March 2009 to December 2010. A total of sixty water well samples were collected from Neogene aquifer in the study area segregated into three segments all over the Oasis (Northern Sector, Central Sector and Eastern Sector). The GPS technology was used to determine the locations of water samples in the whole Oasis. Water samples were analyzed to determine some of the elements to calculate the Langelier Saturation Index (LSI) for corrosion. The pH of groundwater was the most important criteria in the three sectors (Northern, Middle and Eastern) of the Neogene aquifer in Al-Hassa Oasis. The variation in pH indicated a potential corrosion in some sites as compared to other locations. The pH values ranged between 6.5-7.47. The dissolved oxygen ranged between 3.7 to 5.6 mg L-1 and showed a medium effect on pipes and equipment corrosion in the three sectors of the study area. The Langelier Saturation Index (LSI) ranged between -0.95 and 0.13 in Al-Hassa Oasis. The calculated mean LSI values in the three sectors indicated that wells water in all the sectors have the ability to compose a protective layer against corrosion. The order of LSI with respect to corrosion varied from maximum (1.131), medium (1.068) and minimum (0.593) for the Middle, Eastern and Northern sectors, respectively. In conclusion, it was observed that slightly increasing groundwater salinity is considered as an additional advantage as it helps greatly to reduce corrosion problem in wells.
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How to cite this article:

A.H. Alhameid and A.A. Al- Naeem, 2014. Spatial Pattern of Groundwater Quality and its Impact on Pipes and Wells Equipment Corrosion in Al-Hassa Oasis Kingdom of Saudi Arabia. Trends in Applied Sciences Research, 9: 545-556.

DOI: 10.3923/tasr.2014.545.556

URL: https://scialert.net/abstract/?doi=tasr.2014.545.556

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