Assessing Land Suitability for Rainwater Harvesting Using Geospatial Techniques: A Case Study of Njoro Catchment, Kenya

Table 2

Weightage and ranking for features.

Layer	Weight	Feature class	Runoff generation rank	Rain water harvesting/storage site
Lineaments	15	Lineaments	1	1
Soil	28	Loam	1	1
		Sandy clay loam	2	2
		Sandy clay	3	3
Slope	27	>30%	4	1
		8–30%	3	2
		2–8%	2	3
		0–2%	1	4
Land use	30	Waterbody	1	1
		Forest	2	2
		Agriculture	3	3
		Bare land	4	4
		Built-up	5	1