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A comparative and coupled study of the application of Dempster-Shafer, fuzzy overlay and FAHP methods for groundwater potential mapping in a fractured medium of a mine site

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Abstract

The efficient management and the sustainability of groundwater resources in mining areas require the accurate identification of groundwater resources. Identification and prediction of water resources in mining areas should be done in the design and planning stage of mining so that mining operations are carried out in a dry environment and the groundwater resources face the least damage. Hence, this study aims to identify groundwater resources in the western anomalies of Sangan iron mine using the Fuzzy Analytic Hierarchy Process (FAHP), fuzzy overlay, Dempster-Shafer and Coupled-Groundwater Potential Mapping method (C-GPM) techniques in GIS software. The geology, surface hydraulic conductivity, drainage density, slope, aspect, topography, lineament density, vegetation and alteration layers play an important role to delineate and assess groundwater potential map in the study area. After classifying the maps and weighting of each layer based on the quantitative assessment scores by hydrologists, hydrogeologists, geologists, environmental and mining experts, the potential map of groundwater resources in the study area was prepared by each of the above techniques. Finally, in order to validate the results, the groundwater potential map obtained from each of the above four methods was compared to the water level map of the study area. By examining the values of statistical parameters to evaluate the error related to the four techniques, it was determined that the groundwater potential map obtained by the C-GPM method showed less error, so it can be concluded that C-GPM method can be used as a fast and reliable approach to model groundwater potential for the proper management of groundwater resources, and the implemented method can be used in other similar conditions.

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The data that support the findings of this study are available from the corresponding author upon reasonable request.

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Contributions

The authors confirm contribution to the paper as follows:

• Mohsen safari: Mohsen safari as the PhD student contributed to defining the overall problem and proposed the core scientific idea to solve it. He wrote the entire draft version of the paper, and revised it according to co-authors comments.

• Professor Faramarz Doulati Ardejani and Dr Soroush Maghsoudy, as the supervisors, defined the overall problem together with the PhD student. They assisted in careful reviewing of the paper and proposed various refinements to the draft proposal made by the student. They supervised the findings of this work and helped review and improve the paper.

All authors discussed the results and contributed to the final manuscript.

Corresponding author

Correspondence to Faramarz Doulati Ardejani.

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The authors declare that they have no competing interests as defined by Springer, or other interests that might be perceived to influence the results and/or discussion reported in this paper.

The authors also certify that they have no affiliations with or involvement in any organization or entity with any financial interest (such as honoraria; educational grants; participation in speakers’ bureaus; membership, employment, consultancies, stock ownership, or other equity interest; and expert testimony or patent-licensing arrangements), or non-financial interest (such as personal or professional relationships, affiliations, knowledge or beliefs) in the subject matter or materials discussed in this manuscript.

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Communicated by: H. Babaie

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Safari, M., Doulati Ardejani, F. & Maghsoudy, S. A comparative and coupled study of the application of Dempster-Shafer, fuzzy overlay and FAHP methods for groundwater potential mapping in a fractured medium of a mine site. Earth Sci Inform 16, 1741–1764 (2023). https://doi.org/10.1007/s12145-023-01006-7

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  • DOI: https://doi.org/10.1007/s12145-023-01006-7

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