Thesis Open Access
Tesfa Aklilu Afework
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"description": "<p>Water used for different purposes is harvested in the watershed system; largely in the river<br>\nbasin system. To maintain the requirement of these purposes, both quantity and quality of<br>\nwater for ecological, social and economical development could be manage appropriately<br>\nthrough integrated water resource management. However, scarcity and poor water quality are<br>\nthe major challenges of the world due to climate change and water pollutions. These<br>\nchallenges trigger further ecological, economical and public health impacts. In Ethiopia,<br>\nevidence shows that upper Awash River sub-basin is the most impacted river basin that is why<br>\nprotection of both groundwater and surface water resources come to an essential approach<br>\nthrough investigation of hazards, vulnerability and consequences of the water sources. This<br>\nresearch is designed to identify vulnerable and risk of ground water pollutions so as to indicate<br>\nthe requirements of protection of vulnerable aquifer considering seven important factors of<br>\ngroundwater vulnerability as well as land use management. To achieve these objectives,<br>\ndigitized data for parameters and secondary data from concerned sectors have been collected.<br>\nThese collected data and Shape files have been analyzed using ArcGIS 10.2 software and<br>\nSPSS version 24. Sensitive analysis, model validation, vulnerability index and risk index have<br>\nbeen produced. Accordingly, as the difference in percentage (6.48% - 16.77%) of theoretical<br>\nweights and effective weights is not much more differ, theoretical weights are used for<br>\nDRASTIC model analysis and also variation index due to removal of each parameter, the most<br>\nsensitive parameters to groundwater pollution orderly are Impact of Vadose Zone, Depth of<br>\nwater, Aquifer media, Soil type, Topography, Net Recharge and Hydraulic conductivity</p>",
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"title": "GROUNDWATER VULNERABILITY AND POLLUTION RISK ASSESSMNT IN THE CASE OF UPPER AWASH RIVER BASIN",
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