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Assessment of Hydro-Geochemical Properties of Groundwater under the Effect of Desalination Wastewater Discharge in an Arid Area

Kamali Maskooni, Ehsan LU ; Hashemi, Hossein LU ; Kompani-Zare, Mazda ; Daneshkar Arasteh, Peyman ; Vagharfard, Hassan and Berndtsson, Ronny LU (2021) In Environmental Science and Pollution Research p.6176-6194
Abstract
Desalination to increase irrigation water supply for agricultural production is becoming important in water scarce regions. While desalination has positive effects on the potential irrigation water quantity and quality, the technique may also be a considered as potential source of groundwater pollution. The present study investigated the effects of desalination wastewater discharge on groundwater quality in an arid area in southern Iran for the 2012-2017 period. The chemical composition of the groundwater samples was evaluated considering pH, EC, Na+, Ca2+, Mg2+, SO42+, Cl-, and HCO3-. The suitability of groundwater for drinking and irrigation purposes as well as spatial pattern of groundwater pollution were analyzed. The results showed... (More)
Desalination to increase irrigation water supply for agricultural production is becoming important in water scarce regions. While desalination has positive effects on the potential irrigation water quantity and quality, the technique may also be a considered as potential source of groundwater pollution. The present study investigated the effects of desalination wastewater discharge on groundwater quality in an arid area in southern Iran for the 2012-2017 period. The chemical composition of the groundwater samples was evaluated considering pH, EC, Na+, Ca2+, Mg2+, SO42+, Cl-, and HCO3-. The suitability of groundwater for drinking and irrigation purposes as well as spatial pattern of groundwater pollution were analyzed. The results showed that mean concentration of Na+, Ca2+, Mg2+, SO42-, Cl- in all investigated wells increased from 148, 94, 46, 247, and 257 mg/L in 2012 to 282, 146, 71,319, and 582 mg/L in 2017, respectively. Using Gibb’s diagram, it was shown that the groundwater quality is slightly alkaline and primarily controlled by evaporation. Based on our findings, about 78% of the study aquifer displayed groundwater with good to excellent water quality that can be used for drinking and irrigation purposes. However, the eastern part of the aquifer was classified as unsuitable for use due to the disposal of desalination plant wastewater. The spatial distribution of WQI and other indices such as SAR, TDS, and TH showed that groundwater in the eastern part of the aquifer has deteriorated since the establishment of the desalination plants. To reverse this trend, it is important to implement regulations against wastewater discharge from desalination plants. (Less)
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author
; ; ; ; and
organization
publishing date
type
Contribution to journal
publication status
published
subject
keywords
Water salinity, Desalination, Wastewater, Water quality index, Factor analysis
in
Environmental Science and Pollution Research
issue
28
pages
19 pages
publisher
Springer
external identifiers
  • pmid:32990913
  • scopus:85091731397
ISSN
1614-7499
DOI
10.1007/s11356-020-10787-z
language
English
LU publication?
yes
id
913374eb-8b3f-46da-83e0-7105064d58ba
date added to LUP
2020-09-30 23:43:04
date last changed
2021-04-12 10:40:37
@article{913374eb-8b3f-46da-83e0-7105064d58ba,
  abstract     = {Desalination to increase irrigation water supply for agricultural production is becoming important in water scarce regions. While desalination has positive effects on the potential irrigation water quantity and quality, the technique may also be a considered as potential source of groundwater pollution. The present study investigated the effects of desalination wastewater discharge on groundwater quality in an arid area in southern Iran for the 2012-2017 period. The chemical composition of the groundwater samples was evaluated considering pH, EC, Na+, Ca2+, Mg2+, SO42+, Cl-, and HCO3-. The suitability of groundwater for drinking and irrigation purposes as well as spatial pattern of groundwater pollution were analyzed. The results showed that mean concentration of Na+, Ca2+, Mg2+, SO42-, Cl- in all investigated wells increased from 148, 94, 46, 247, and 257 mg/L in 2012 to 282, 146, 71,319, and 582 mg/L in 2017, respectively. Using Gibb’s diagram, it was shown that the groundwater quality is slightly alkaline and primarily controlled by evaporation. Based on our findings, about 78% of the study aquifer displayed groundwater with good to excellent water quality that can be used for drinking and irrigation purposes. However, the eastern part of the aquifer was classified as unsuitable for use due to the disposal of desalination plant wastewater. The spatial distribution of WQI and other indices such as SAR, TDS, and TH showed that groundwater in the eastern part of the aquifer has deteriorated since the establishment of the desalination plants. To reverse this trend, it is important to implement regulations against wastewater discharge from desalination plants.},
  author       = {Kamali Maskooni, Ehsan and Hashemi, Hossein and Kompani-Zare, Mazda and Daneshkar Arasteh, Peyman and Vagharfard, Hassan and Berndtsson, Ronny},
  issn         = {1614-7499},
  language     = {eng},
  number       = {28},
  pages        = {6176--6194},
  publisher    = {Springer},
  series       = {Environmental Science and Pollution Research},
  title        = {Assessment of Hydro-Geochemical Properties of Groundwater under the Effect of Desalination Wastewater Discharge in an Arid Area},
  url          = {http://dx.doi.org/10.1007/s11356-020-10787-z},
  doi          = {10.1007/s11356-020-10787-z},
  year         = {2021},
}