Browsing School of Engineering and Technology by Author "THUMBI, GEORGE M."
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Groundwater Mapping of Makueni County, Eastern Kenya Using Remote Sensing and Geographical Information System (GIS) Technologies
NG’ANG’A, STANLEY K.; KIBETU, PURITY M.; THUMBI, GEORGE M.; GEORGE O. OKWADHA; NYADAWA, MAURICE O. (JOURNAL OF INTERNATIONAL ACADEMIC RESEARCH FOR MULTIDISCIPLINARY, 2015-09-08)Occurrence of groundwater in the basement complex terrain of Makueni County, Eastern Kenya is controlled by secondary porosity developed through weathering, fracturing and cracking of the bed rocks. Makueni falls in ... -
Groundwater Quality Assessment and Water Quality Indexing: Case Study of Makueni County, Eastern Kenya
NG’ANGA, STANLEY K.; KIBETU, P. M.; THUMBI, GEORGE M.; OKWADHA, G.O; NYADAWA, Maurice O (2019-04-17)Makueni falls in South Eastern, semi-arid region of Kenya, that is characterised by erratic rainfall and inadequate surface water from a few rivers. One of the options to supply both human and animal population is groundwater. ...