Table 1 Literature review of the theme used to identify groundwater potential zones.

Literature review	GL	G	LULC	R	LD	DD	DEM	S	NDVI	NDWI	LST	DTW	TWI
Ibrahim-Bathis and Ahmed¹⁶	-	+	+	+	+	+	-	+	-	-	-	-	-
Nigussie et al.¹⁷	-	+	+	+	+	+	+	+	-	-	-	-	+
Abdulkerim et al.¹⁸	+	-	+	+	+	+	-	+	-	-	-	-	-
Agarwal et al.¹⁹	+	+	-	-	+	+	-	+	-	-	-	-	-
Abebrese et al.²⁰	+	+	+	-	+	+	-	+	-	-	-	-	-
Doke et al.²¹	+	+	+	+	+	-	-	+	-	-	-	-	-
Magesh et al.²²	+	-	+	+	+	-	-	+	-	-	-	-	-
Senanayake et al.²³	+	+	+	+	+	+	-	+	-	-	-	-	-
Shebl et al.⁶	-	-	+	-	+	+	-	+	+	-	-	-	+
Aju et al.²⁴	+	+	+	+	+	+	+	+	-	-	-	-	-
Hasanuzzaman et al.²⁵	+	+	+	+	+	+	+	+	+	-	-	-	+
Hagos and Andualem²⁶	+	-	+	+	-	+	-	+	-	-	-	-	-
Etikala et al.²⁷	+	+	+	+	+	+	-	+	-	-	-	-	-
Mallick et al.⁷	+	-	+	+	+	+	+	+	+	-	-	-	+
Ghanim et al.²⁸	+	-	+	+	+	+	-	+	-	-	-	-	-

GL geology and lithology, G geomorphology, LULC land use & land cover, R rainfal, LD lineament density, DD drainage density, S slope, NDVI normalized difference vegetation index, NDWI normalized difference water index, LST land surface temperature, TWI topographic wetness index, DTW depth to water table.

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