Investigation of Groundwater Salinity in Naqadeh Plain Aquifer Using Hydrochemical Facies Evolution Diagram (HFE)

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ASGHARI MOGHADAM A.; NADIRI A.A.; SADEGHI AGHDAM F.

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Journal: IRAN-WATER RESOURCES RESEARCH Year:2019 | Volume:15 | Issue:2 Page(s): 11-25

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Title

Investigation of Groundwater Salinity in Naqadeh Plain Aquifer Using Hydrochemical Facies Evolution Diagram (HFE)

Author(s)

ASGHARI MOGHADAM A. | NADIRI A.A. | SADEGHI AGHDAM F. | Issue Writer Certificate

Keywords

Combined DiagramQ1

Hydrochemical Facies Evolution Diagram (HFE)Q1

Ionic RatioQ2

NaqadehQ1

SalinityQ1

Abstract

The coastal aquifer of the Naqadeh plain, located in the southwestern part of the Urmia Lake, has an increasing trend in Salinity based on long-term chemoghraph. Considering the undesirable results of saline water intrusion such as hygiene effects, human health and environmental problems, more studies are needed in this regard. Based on the classification on TDS values, about 48% of the groundwater resources of this plain are inappropriate for drinking and agricultural purposes. In order to monitor the groundwater resources of the plain, 33 water samples were collected and a hydrochemical analysis was carried out. Identification of the Salinity source and the governing hydrochemical mechanisms in groundwater were carried out using the basic exchange index (BEX), Ionic Ratio, compound diagrams, and geological and hydrogeological interpretations. Cl and Br halogens were also used for Salinity studies due to their conservative behavior. Hydrochemical facies evolution diagram (HFE) was used as a useful method for identifying the aquifers condition and its vulnerability to saline water intrusion. Matching these results with the spatial distribution of Salinity (EC) indicated the presence of two areas with high Salinity and the risk of saline water intrusion in the eastern and northern parts of the plain. The Salinity of these water resources was resulted from the water-rock interactions, dissolution of saline formations, rainfall reduction, evaporation increase with formation of ponds in the dry seasons, infiltration of saline water and drainage of surface water, development of agricultural activities and probability of rising saline water (upconing).

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APA: Copy

ASGHARI MOGHADAM, A., NADIRI, A.A., & SADEGHI AGHDAM, F.. (2019). Investigation of Groundwater Salinity in Naqadeh Plain Aquifer Using Hydrochemical Facies Evolution Diagram (HFE). IRAN-WATER RESOURCES RESEARCH, 15(2 ), 11-25. SID. https://sid.ir/paper/100235/en

Vancouver: Copy

ASGHARI MOGHADAM A., NADIRI A.A., SADEGHI AGHDAM F.. Investigation of Groundwater Salinity in Naqadeh Plain Aquifer Using Hydrochemical Facies Evolution Diagram (HFE). IRAN-WATER RESOURCES RESEARCH[Internet]. 2019;15(2 ):11-25. Available from: https://sid.ir/paper/100235/en

IEEE: Copy

A. ASGHARI MOGHADAM, A.A. NADIRI, and F. SADEGHI AGHDAM, “Investigation of Groundwater Salinity in Naqadeh Plain Aquifer Using Hydrochemical Facies Evolution Diagram (HFE),” IRAN-WATER RESOURCES RESEARCH, vol. 15, no. 2 , pp. 11–25, 2019, [Online]. Available: https://sid.ir/paper/100235/en

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