IWA Publishing

Table 2

Weight and rank of thematic layers for groundwater potential zones

S. no	Category	Weightage	Classification	Rank
1	Geology	8	Stromatolitic dolomitic limestone	6
			Laterite	5
			Limestone and dolomite with sandstone	7
2	Land use land cover	8	Cultivation	6
			Industrial area	1
			Open land	4
			Road network	1
			Settlement	1
			Vegetation	8
			Waterbody	9
3	Drainage density	8	Very low	9
			Low	6
			Medium	5
			High	3
			Very high	2
4	Lineament	7	0–100	8
			100–200	7
			200–300	6
			300–400	4
			400–500	2
5	Resistivity	6	<50	6
			50–100	5
			100–200	3
			>200	2
6	Geomorphology	6	Alluvial pediplain	7
			Pediments	3
			Pediplain moderately weathered	6
			Pediplain shallow weathered	5
7	Rainfall	5	935.24–984.96	5
			984.96–1018.37	6
			1018.37–1050.22	7
			1050.22–1088.29	8
			1088.29–1133.34	9
8	Slope	5	<1	9
			1–3	7
			3–4	5
			4–5	3
			>18	2
9	Groundwater depth	5	<3	9
			3–6	8
			6–9
			9–12	6
			12–18	5
			>18	4
10	Soil type	4	Sandy soil	7
			Ultisol	3
			Vertisol	2

S. no	Category	Weightage	Classification	Rank
1	Geology	8	Stromatolitic dolomitic limestone	6
			Laterite	5
			Limestone and dolomite with sandstone	7
2	Land use land cover	8	Cultivation	6
			Industrial area	1
			Open land	4
			Road network	1
			Settlement	1
			Vegetation	8
			Waterbody	9
3	Drainage density	8	Very low	9
			Low	6
			Medium	5
			High	3
			Very high	2
4	Lineament	7	0–100	8
			100–200	7
			200–300	6
			300–400	4
			400–500	2
5	Resistivity	6	<50	6
			50–100	5
			100–200	3
			>200	2
6	Geomorphology	6	Alluvial pediplain	7
			Pediments	3
			Pediplain moderately weathered	6
			Pediplain shallow weathered	5
7	Rainfall	5	935.24–984.96	5
			984.96–1018.37	6
			1018.37–1050.22	7
			1050.22–1088.29	8
			1088.29–1133.34	9
8	Slope	5	<1	9
			1–3	7
			3–4	5
			4–5	3
			>18	2
9	Groundwater depth	5	<3	9
			3–6	8
			6–9
			9–12	6
			12–18	5
			>18	4
10	Soil type	4	Sandy soil	7
			Ultisol	3
			Vertisol	2