Paper Information

Journal:   JOURNAL OF ENVIRONMENTAL SCIENCE AND TECHNOLOGY   FALL 2007 , Volume 9 , Number 3 (34); Page(s) 13 To 21.
 
Paper: 

INVESTIGATION OF WATER QUALITY: A CASE STUDY OF ZABOL CHAH-NIMEH RESERVOIRS

 
 
Author(s):  HOMAYOUN NEZHAD I.*, SAVARI A., SAEIDPOUR B., NOURI GH.R.
 
* SCIENCE AND RESEARCH BRANCH, ISLAMIC AZAD UNIVERSITY, AHWAZ
 
Abstract: 
Chah-Nimeh reservoirs of Zabol are three natural and big cavities in the south of Sistan Plain in south-eastern Iran and cover an area of 50 million square meters. The water stored in these cavities is used to irrigate the Sistan Plain and to provide the potable water of Zabol and Zahedan. Despite the apparent importance of Chah-Nimeh lakes, no research has been done on the quality of their water except for the study of the sediments and the limnologic study of the reservoirs.
To determine the quality of the water, some of the physical and chemical characteristics (14 parameters) of Chah-Nimeh reservoirs were investigated in 9 selected stations from the fall of 2004 to the mid-summer of 2005 and the samples were collected on a seasonal basis. The results show that the means of COD, BOD5, nitrate and nitrite in all stations and seasons are very small and can cause no problems. The amount of phosphate is lower than the standard level except in the third station. The quantity of the dissolved oxygen is suitable in all seasons. But on the average, the dissolved and suspended solids, hardness, turbidity, and electrical conductivity are high in all of the three Chah-Nimeh reservoirs, which can be attributed to the atmospheric conditions and high temperature of the area, sand storms, and the type of bed soil of the lakes.
 
Keyword(s): NIMEH RESERVOIRS, PHYSICAL AND CHEMICAL CHARACTERISTICS, WATER QUALITY
 
References: 
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