Sin-DRASTIC: A Modified Vulnerability Mapping Method for Alluvial Aquifer Hosted by Karst in the North of Hamadan Province, West of Iran

Taheri, Kamal; Taheri, Milad; Komail, Mostafa Safari

doi:10.1007/978-3-319-45465-8_25

Cited by 11 publications

(3 citation statements)

References 40 publications

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“…DRASTIC is also used as a groundwater sustainability indicator as proposed by Vrba et al (2006). To use this index, seven different layers were involved in the DRASTIC evaluation (Aller 1985;Taheri et al 2017). A final vulnerability index map was obtained by the DRASTIC method using the various layer maps and applying Eq.…”

Section: Environmental Indicatorsmentioning

confidence: 99%

“…Identifying critical groundwater areas using a variety of factors can provide an overview of sustainability status or a critical overview of an aquifer (Taheri et al 2020). In addition, the use of classical methods for the assessment of aquifer vulnerability to pollution such as DRASTIC, is a potential first step in making a qualitative groundwater sustainability assessment (Aller et al 1985;Taheri et al 2017). Among all of the many methods that have been proposed for groundwater sustainability assessment, the index-based assessment is one of the most objective models that can be used to evaluate the various factors in groundwater sustainability, and can provide a general and understandable view of groundwater status in an area.…”

Section: Introductionmentioning

confidence: 99%

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Groundwater sustainability assessment based on socio-economic and environmental variables: a simple dynamic indicator-based approach

et al. 2022

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The Dehgolan aquifer, which lies in semiarid western Iran, was evaluated using a multi-influencing factor (MIF) analysis to determine groundwater sustainability. Eight indicators, including climatic variability, groundwater exploitation (pumping), groundwater quality, groundwater vulnerability, public participation, legal framework, water productivity, and occupation related to groundwater, were quantified and placed into a series of thematic maps within a GIS framework. Each factor was weighted based on the analyses obtained from the MIF model and the stacked maps were summed to yield a final map showing the degree of sustainability within the groundwater basin. The final groundwater sustainability map showed that 4% of the basin was in a critically unsustainable zone, 30% in an unsustainable zone, 40% in a semisustainable zone, 25% in a sustainable zone, and 1% in an ideally sustainable zone. The final map was validated using a receiver operating characteristic (ROC) method, cross-tabulation, and chi-square tests using groundwater-level decline as a test proxy. The analysis assessed the correlation between water levels that exhibited declines versus the degree of unsustainability of water levels and sustainable water use. The area under the curve was calculated to be 88%, cross-tabulation 64.4%, and the chi-square value was 260.5 with 4 degrees of freedom and values <0.05 (3.627E −55 ), which suggest that the final map has statistical significance. The sustainability analysis developed is useful as a baseline for development of governance laws to implement management methods in groundwater basins and it can be applied to a wide range of aquifer types in variable climates worldwide.

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Section: Environmental Indicatorsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Groundwater sustainability assessment based on socio-economic and environmental variables: a simple dynamic indicator-based approach

et al. 2022

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“…The water quality of alluvial and karst aquifers surrounding the salt diapirs of southern Iran are typically deteriorated by intrusion of diapir-derived brine, and this represents one of the main hydrogeological problems affecting karst aquifers in Iran (Karimi and Taheri, 2010;Taheri et al, 2016Taheri et al, , 2017. Zarei (2016) evaluated 62 salt diapirs in southern Iran to identify factors governing the impact of salt diapirs on the surrounding water resources.…”

Section: Introductionmentioning

confidence: 99%

Combined use of hydrogeological, hydrogeochemical and isotopic techni-ques to identify the impact of a salt

Alemansour¹,

Zareị²

2019

JCKS

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More than 120 exposed salt diapirs in southern Iran are connected to the adjacent aquifers and likely constitute the main sources of groundwater salinization in the region. Located in southern Iran, the Korsia salt diapir is surrounded by alluvial and karst groundwater aquifers. To investigate the impact of the salt body of Korsia on the groundwater quality of surrounding aquifers, electrical conductivity, total dissolved solids and dissolved calcium, magnesium, sodium, potassium, chloride, bromide, and sulfate concentrations were measured at 41 sampling points, including 32 exploitation wells, 7 springs and 2 surface water stations. Additionally, oxygen-18 and deuterium isotopes were analyzed at 7 sampling points to investigate the source of the salinity in the area. Our hydrogeological, hydrogeochemical, and isotopic evaluations show that the Korsia diapir deteriorates groundwater quality of the eastern karst and southern alluvial aquifers through infiltration of a spring's brine into limestone, and flow of the surface brine originated from the diapir, respectively. A karst aquifer west of the diapir is not influenced by the diapir brine because its hydraulic connectivity is interrupted by an impermeable geological formation. Construction of salt basins or diversion of brine is suggested to increase water quality of the surrounding aquifers. These procedures can be applied not only in the Korsia diapir, but also in tens of diapirs of southern Iran as remediation methods to improve water quality of their adjacent aquifers in this arid region.

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Human-Karst Landscape Interactions and the Anthropo-Karstosphere: Toward a Nexus of Geoethics, Groundwater, and a Sustainable Society

Taheri,

Groves

2023

Advances in Science, Technology &Amp; Innovation

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Sin-DRASTIC: A Modified Vulnerability Mapping Method for Alluvial Aquifer Hosted by Karst in the North of Hamadan Province, West of Iran

Cited by 11 publications

References 40 publications

Groundwater sustainability assessment based on socio-economic and environmental variables: a simple dynamic indicator-based approach

Groundwater sustainability assessment based on socio-economic and environmental variables: a simple dynamic indicator-based approach

Combined use of hydrogeological, hydrogeochemical and isotopic techni-ques to identify the impact of a salt

Human-Karst Landscape Interactions and the Anthropo-Karstosphere: Toward a Nexus of Geoethics, Groundwater, and a Sustainable Society

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