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http://hdl.handle.net/2122/16283
Authors: | Pisciotta, Antonino* Suozzi, Enrico* Tiwari, Ashwani Kumar* |
Title: | A modified GALDIT-NUTS index to assess Favignana Island aquifer vulnerability | Journal: | Geocarto International | Series/Report no.: | 26/37 (2022) | Publisher: | Taylor and Francis | Issue Date: | 2022 | DOI: | 10.1080/10106049.2022.2060321 | Keywords: | Aquifer vulnerability, landuse impact, validation of index, coastal aquifer management, GIS | Abstract: | he present research aims to assess the role of geogenic and anthropogenic activities in coastal aquifer vulnerability using a modified index. To achieve the objective of the current research, a GIS-based GALDIT-NUTS index has been developed for aquifer vulnerability assessment on Favignana Island, Italy. The GALDIT-NUTS index has been developed by expanding the GALDIT index using three significant parameters of the DRASTIC index and adding the landuse of the area. The GALDITS-NUTS index and the different index weights were validated using a hierarchical analytical process, vulnerability rating (obtained by this application), and field observed aquifer electrical conductivity data. The GALDIT-NUTS showed that approximately 66% of the study area was covered with high to maximum vulnerability zones and followed by medium vulnerability zones (32% of the study area). The present research outcome suggested that the GALDIT-NUTS index helps assess Island aquifer vulnerability because the index considers both human and seawater intrusion impacts. |
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A modified GALDIT-NUTS index to assess Favignana Island aquifer vulnerability.pdf | Restricted Paper | 3.49 MB | Adobe PDF | |
A modified GALDIT-NUTS index to assess Favignana.pdf | 1.49 MB | Adobe PDF | View/Open |
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