1. Adiat K, Olayanju G, Ako B (2009) Electromagnetic sounding electrical resistance profile and groundwater in the study of complex- case example of ODA underground city in southwestern Nigeria, Ozean. J Appl Sci 2:333–359
2. Adimalla N, Venkatayogi SJEES (2017) Mechanism of fluoride enrichment in groundwater of hard rock aquifers in Medak, Telangana State South India. Environ Earth Sci 76(1):1–10
3. Ahmadifar R, Mousavi SM, Rahimzadegan M (2017) Mapping the risk of groundwater pollution using GIS (case study: Sarab Plain). J Water Soil Conserv 24(3):1–20
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. US Environmental Protection Agency, Report 600:38–57
5. Arabameri A, Asadi Nalivan O, Chandra Pal S, Chakrabotty R, Saha A, Lee S, Pradhan B, Tien D (2020) Novel machine learning approaches for modelling the gully erosion susceptibility. Remote Sensing 12(2833):1–32