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Development of a Groundwater Resource Assessment Methodology for South Africa: Towards a Holistic Approach
Expanded Title:With growing water demand in South Africa the limit of what surface water can supply is nearly reached, and many experts call for more groundwater use and better groundwater management. However, estimating groundwater that can be safely abstracted from an area or catchment without harming the environment and other water users, is difficult. Over the years, scientists have developed various models to quantify the groundwater resources and these have been standardised in a number of countries. In South Africa there is no standardised approach with which to assess groundwater resources. The purpose of this study is to develop and test (to a limited) a more consistent approach to quantify groundwater resources for South African conditions. The proposed mixing cell model (MCM) takes into account both the physical flow of water in a river, and the changes in natural river water chemistry that can signify groundwater base flow. The method will be considered for incorporation into the existing methods for assessing South Africa's total water resources.
Date Published:01/08/2013
Document Type:Research Report
Document Subjects:Water Resource Management/IWRM - Catchment Management, Water Resource Management/IWRM - Hydrogeology
Document Keywords:Ground Water, Hydrology
Document Format:Report
Document File Type:pdf
Research Report Type:Standard
WRC Report No:2048/1/13
ISBN No:978-4312-0458-8
Authors:Allwright A; Witthueser K; Cobbing J; Mallory S; Sawunyama T
Project No:K5/2048
Originator:WRC
Organizations:University of the Free State; SLR Consulting; IWR Water Resources Pty (Ltd), Pretoria
Document Size:6 076 KB
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