1. Ahmed I, Nazzal Y, Zaidi FK, Al-Arifi NSN, Ghrefat H, Naeem M (2015) Hydrogeological vulnerability and pollution risk mapping of the Saq and overlying aquifers using the SINTACS model and GIS techniques, NW Saudi Arabia. Environ Earth Sci 74(2):1303–1318. doi:
10.1007/s12665-015-4120-5
2. Al-Adamat RAN, Foster IDL, Baban SMJ (2003) Groundwater vulnerability and risk mapping for the basaltic aquifer of the Azraq basin of Jordan using GIS, remote sensing and DRASTIC. Appl Geogr 23:303–324. doi:
10.1016/j.apgeog.2003.08.007
3. Allen RG, Pereira LS, Raes D, Smith M (1998) Crop evapotranspiration—guidelines for computing crop water requirements. FAO Irrigation and drainage paper 56. Rome (IT)
4. Aller L, Bennett T, Lehr JH, Petty RJ, Hackett G (1987) DRASTIC: a standardized system for evaluating ground water pollution potential using hydrogeologic settings. EPA-600/2–87-035.7
5. Allocca V, Celico F, Celico P, De Vita P, Fabbrocino S, Mattia C, Monacelli G, Musilli I, Piscopo V, Scalise AR, Summa G, Tranfaglia G (2007) Carta Idrogeologica dell’Italia Meridionale. Istituto Poligrafico e Zecca dello Stato