[1]. Javadi S, Hashemy SM, Mohammadi K, Howard KWF, Neshat A. Classification of aquifer vulnerability using K-means cluster analysis. Journal of Hydrology. 2017;549:27–37.
[2]. Majandang J, Sarapirome S. Groundwater vulnerability assessment and sensitivity analysis in Nong Rua, Khon Kaen, Thailand, using a GIS-based SINTACS model. Environmental earth sciences. 2013;68(7):2025–39.
[3]. Neshat A, Pradhan B, Pirasteh S, Shafri HZM. Estimating groundwater vulnerability to pollution using a modified DRASTIC model in the Kerman agricultural area. Iran. Environmental Earth Sciences.Doi. 2014;10.
[4]. Neshat A, Pradhan B. An integrated DRASTIC model using frequency ratio and two new hybrid methods for groundwater vulnerability assessment. Nat Hazards. 2015;76(1):543–63.
[5]. Werner AD. A review of seawater intrusion and its management in Australia. Hydrogeology Journal. 2010;18(1):281–5.
[6]. Vrba J, Zaporozec A. Guidebook on mapping groundwater vulnerability. Heise; 1994.
[7]. Samey AA, Gang C. A GIS based DRASTIC Model for the assessment of groundwater vulnerability to pollution in West Mitidja: Blida City, Algeria. J Appl Sci. 2008;3(7):500–7.
[8]. Neshat A, Pradhan B. Evaluation of groundwater vulnerability to pollution using DRASTIC framework and GIS. Arabian Journal of Geosciences. 2017;1;10(22):501.
[9]. Ribeiro L, Pindo JC, Dominguez-Granda L. Assessment of groundwater vulnerability in the Daule aquifer, Ecuador, using the susceptibility index method. Science of The Total Environment. 2017;574:1674–83.
[10]. Javadi S, Kavehkar N, Mousavizadeh MH, Mohammadi K. Modification of DRASTIC model to map groundwater vulnerability to pollution using nitrate measurements in agricultural areas. Journal of Agricultural Science and Technology. 2010;13:239–49.
[11]. Neshat A, Pradhan B, Shafri HZM. An integrated GIS based statistical model to compute groundwater vulnerability index for decision maker in agricultural area. Journal of the Indian Society of Remote Sensing. 2014;42(4):777–88.
[12]. Huan H, Wang J, Teng Y. Assessment and validation of groundwater vulnerability to nitrate based on a modified DRASTIC model: a case study in Jilin City of northeast China. Science of the Total Environment. 2012;440:14–23.
[13]. Bouderbala A, Remini B, Hamoudi AS, Pulido-Bosch A. Assessment of groundwater vulnerability and quality in coastal aquifers: a case study (Tipaza, North Algeria). Arabian Journal of Geosciences. 2016;9(3):181.
[14]. Gontara M, Allouche N, Jmal I, Bouri S. Sensitivity analysis for the GALDIT method based on the assessment of vulnerability to pollution in the northern Sfax coastal aquifer, Tunisia. Arab J Geosci. 2016;9(5):416.
[15]. Gorgij AD, Moghaddam AA. Vulnerability Assessment of saltwater intrusion using simplified GAPDIT method: a case study of Azarshahr Plain Aquifer, East Azerbaijan, Iran. Arabian Journal of Geosciences. 2016;9(2):106.
[16]. Allouche N, Brahim FB, Gontara M, Khanfir H, Bouri S. Validation of two applied methods of groundwater vulnerability mapping: application to the coastal aquifer system of Southern Sfax (Tunisia). Journal of Water Supply: Research and Technology-Aqua. 2015;64(6):719–37.
[17]. Kura NU, Ramli MF, Ibrahim S, Sulaiman WNA, Aris AZ, Tanko AI, et al. Assessment of groundwater vulnerability to anthropogenic pollution and seawater intrusion in a small tropical island using index-based methods. Environmental Science and Pollution Research. 2015;22(2):1512–33.
[18]. Saidi S, Bouri S, Dhia HB. Groundwater management based on GIS techniques, chemical indicators and vulnerability to seawater intrusion modelling: application to the Mahdia–Ksour Essaf aquifer, Tunisia. Environmental earth sciences. 2013;70(4):1551–68.
[19]. Civita MV. Le carte della vulnerabilita ‘degli aquiferi all’inquinamento (Aquifer pollution vulnerability maps). Teor Pract Pitagora Bologna Ital. 1993.
[20]. Al Kuisi M, El-Naqa A, Hammouri N. Vulnerability mapping of shallow groundwater aquifer using SINTACS model in the Jordan Valley area, Jordan. Environ Geol. 2006;50(5):651–67.
[21]. Civita M, De Maio M, Berberi F. Sintacs: un sistema parametrico per la valutazione e la cartografia della vulnerabilità degli acquiferi all’inquinamento: metodologia e automatizzazione. Pitagora Editrice; 1997.
[22]. Chachadi AG, Lobo-Ferreira JP. Sea water intrusion vulnerability mapping of aquifers using GALDIT method. Coastin—A Coast Policy Res Newsl. 2001;4:7–9.
[23]. Chachadi AG. Seawater intrusion mapping using modified GALDIT indicator model—case study in Goa. Jalvigyan Sameeksha. 2005;20:29–45.
[24]. Balakrishnan P, Saleem A, Mallikarjun ND. Groundwater quality mapping using geographic information system (GIS): A case study of Gulbarga City, Karnataka, India. African Journal of Environmental Science and Technology. 2011;5(12):1069–84.
[25]. Hasiniaina F, Zhou J, Guoyi L. Regional assessment of groundwater vulnerability in Tamtsag basin, Mongolia using drastic model. J Am Sci. 2010;6(11):65–78.
[26]. Babiker IS, Mohamed MA, Hiyama T, Kato K. A GIS-based DRASTIC model for assessing aquifer vulnerability in Kakamigahara Heights, Gifu Prefecture, central Japan. Science of the Total Environment. 2005;345(1):127–40.
[27]. Civita M, De Maio M. Assessing and mapping groundwater vulnerability to contamination: the Italian combined approach. Geofísica Int. 2004;43(4):513–32.
[28]. Linsley Jr RK, Kohler MA, Paulhus JL. Hydrology for engineers. 1975.
[29]. Aller L, Lehr JH, Petty R, Bennett T. DRASTIC: a standardized system to evaluate groundwater pollution potential using hydrogeologic settings. National Water Well Association, Worthington, Ohio, United States of America. 1987.
[30]. Bear J, Verruijt A. Modeling Groundwater Flow and Pollution. D. D. Reidel Publication Company, Dodreich, Holland. 1987.
[31]. Badon-Ghyben W. Nota in verband met de voorgenomen putboring nabil Amsterdam. Tijdschr K Inst Ing Hague. 1889;27:1888–9.
[32]. Herzberg A. Die wasserversorgung einiger Nordseebader. J Gasbeleucht Wasserversorg. 1901;44:842–4.
)