Groundwater management using a GIS case study : Uitenhage Subterranean Government Water Control Area

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dc.contributor.advisorWhittal, Jenniferen_ZA
dc.contributor.advisorButcher, Shirleyen_ZA
dc.contributor.authorBaron, Jane Helenen_ZA
dc.date.accessioned2014-09-25T08:44:38Z
dc.date.available2014-09-25T08:44:38Z
dc.date.issued2000en_ZA
dc.descriptionBibliography: leaves 45-47.en_ZA
dc.description.abstractThe area around Uitenhage in the Eastern Cape forms the centre of one of the biggest artesian groundwater basins in South Africa. The Table Mountain Group quartzitic sandstones are overlain by a thickness of postPalaeozoic sediments giving rise to artesian groundwater. The most wellknown of this manifestation are the springs at Uitenhage which have been used since pre-historic times and are currently a principal source of water for the municipal supply. At the turn of the 20th century, with the introduction of drilling machines into the area a number of boreholes were constructed. The resultant tapping into the artesian supply resulted in the spring-flow lessening and a decline in groundwater levels on introduction of further boreholes. At the request of the local community this special region was proclaimed a groundwater protection area. Over the years the abstraction within the area has risen and is currently at 3.24 million m³/a. However the licensed, legally abstractable, figure stands at 6.15 million m³/a. Groundwater levels have declined although the flow from the boreholes has not. Using GIS aU the available and pertinent information required for the management of the control area and for the estimation of the groundwater resource has been brought together. Using raster modelling techniques the amount of groundwater available within the system and the viability of sustained abstraction were assessed. A site-specific raster model has been designed to visualise and quantify the expected effects of new boreholes in the area.en_ZA
dc.identifier.apacitationBaron, J. H. (2000). <i>Groundwater management using a GIS case study : Uitenhage Subterranean Government Water Control Area</i>. (Thesis). University of Cape Town ,Faculty of Engineering & the Built Environment ,Division of Geomatics. Retrieved from http://hdl.handle.net/11427/7670en_ZA
dc.identifier.chicagocitationBaron, Jane Helen. <i>"Groundwater management using a GIS case study : Uitenhage Subterranean Government Water Control Area."</i> Thesis., University of Cape Town ,Faculty of Engineering & the Built Environment ,Division of Geomatics, 2000. http://hdl.handle.net/11427/7670en_ZA
dc.identifier.citationBaron, J. 2000. Groundwater management using a GIS case study : Uitenhage Subterranean Government Water Control Area. University of Cape Town.en_ZA
dc.identifier.ris TY - Thesis / Dissertation AU - Baron, Jane Helen AB - The area around Uitenhage in the Eastern Cape forms the centre of one of the biggest artesian groundwater basins in South Africa. The Table Mountain Group quartzitic sandstones are overlain by a thickness of postPalaeozoic sediments giving rise to artesian groundwater. The most wellknown of this manifestation are the springs at Uitenhage which have been used since pre-historic times and are currently a principal source of water for the municipal supply. At the turn of the 20th century, with the introduction of drilling machines into the area a number of boreholes were constructed. The resultant tapping into the artesian supply resulted in the spring-flow lessening and a decline in groundwater levels on introduction of further boreholes. At the request of the local community this special region was proclaimed a groundwater protection area. Over the years the abstraction within the area has risen and is currently at 3.24 million m³/a. However the licensed, legally abstractable, figure stands at 6.15 million m³/a. Groundwater levels have declined although the flow from the boreholes has not. Using GIS aU the available and pertinent information required for the management of the control area and for the estimation of the groundwater resource has been brought together. Using raster modelling techniques the amount of groundwater available within the system and the viability of sustained abstraction were assessed. A site-specific raster model has been designed to visualise and quantify the expected effects of new boreholes in the area. DA - 2000 DB - OpenUCT DP - University of Cape Town LK - https://open.uct.ac.za PB - University of Cape Town PY - 2000 T1 - Groundwater management using a GIS case study : Uitenhage Subterranean Government Water Control Area TI - Groundwater management using a GIS case study : Uitenhage Subterranean Government Water Control Area UR - http://hdl.handle.net/11427/7670 ER - en_ZA
dc.identifier.urihttp://hdl.handle.net/11427/7670
dc.identifier.vancouvercitationBaron JH. Groundwater management using a GIS case study : Uitenhage Subterranean Government Water Control Area. [Thesis]. University of Cape Town ,Faculty of Engineering & the Built Environment ,Division of Geomatics, 2000 [cited yyyy month dd]. Available from: http://hdl.handle.net/11427/7670en_ZA
dc.language.isoengen_ZA
dc.publisher.departmentDivision of Geomaticsen_ZA
dc.publisher.facultyFaculty of Engineering and the Built Environment
dc.publisher.institutionUniversity of Cape Town
dc.subject.otherArchitecture, Planning and Geomaticsen_ZA
dc.titleGroundwater management using a GIS case study : Uitenhage Subterranean Government Water Control Areaen_ZA
dc.typeMaster Thesis
dc.type.qualificationlevelMasters
dc.type.qualificationnameMScen_ZA
uct.type.filetypeText
uct.type.filetypeImage
uct.type.publicationResearchen_ZA
uct.type.resourceThesisen_ZA
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