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Hydrochemistry, hydrogen and oxygen isotopes, and radon in waters of the greater Timbavati catchment, South Africa
Dissertation (MSc (Hydrogeology))--University of Pretoria, 2024.
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| Format: | Thesis |
| Language: | English |
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University of Pretoria
2024
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| _version_ | 1867613725052108800 |
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| access_status_str | Open Access |
| author2 | Dippenaar, Matthys Alois |
| author_browse | Dippenaar, Matthys Alois |
| author_facet | Dippenaar, Matthys Alois |
| collection | Thesis |
| dc_rights_str_mv | © 2023 University of Pretoria. All rights reserved. The copyright in this work vests in the University of Pretoria. No part of this work may be reproduced or transmitted in any form or by any means, without the prior written permission of the University of Pretoria. |
| description | Dissertation (MSc (Hydrogeology))--University of Pretoria, 2024. |
| format | Thesis |
| id | oai:repository.up.ac.za:2263/97286 |
| institution | University of Pretoria (South Africa) |
| language | English |
| last_indexed | 2026-06-10T12:40:42.021Z |
| license_str | Other — see source repository |
| provenance_str_mv | Harvested via OAI-PMH from UPSpace — University of Pretoria Institutional Repository |
| publishDate | 2024 |
| publishDateRange | 2024 |
| publishDateSort | 2024 |
| publisher | University of Pretoria |
| publisherStr | University of Pretoria |
| record_format | dspace |
| source_str | UPSpace — University of Pretoria Institutional Repository |
| spelling | oai:repository.up.ac.za:2263/97286 Hydrochemistry, hydrogen and oxygen isotopes, and radon in waters of the greater Timbavati catchment, South Africa Dippenaar, Matthys Alois kirstenraible@gmail.com Diamond, Roger Raible, Kirsten UCTD Sustainable Development Goals (SDGs) Nitrates Environmental isotopes Hydrogeology Basement aquifers Oxygen isotopes Timbavati catchment Dissertation (MSc (Hydrogeology))--University of Pretoria, 2024. A baseline study was conducted to gain a better understanding of the relationship between groundwater, geology, and geography of the Greater Timbavati Area, to advance the knowledge of hydrostratigraphical settings affected by various socioeconomic and environmental factors. Samples were collected from both surface water and groundwater and were taken in both nature reserves and rural communities for comparison. An Aquaread AP-5000 probe was used to measure basic water chemistry parameters as well as nitrates, ammonium, and ammonia in the field. Samples were also taken and analysed for radon using a Durridge RAD7. Rainwater samples were also collected from two sites for hydrogen and oxygen isotope analysis using a Los Gatos Research (LGR) Liquid Water Isotope Analyzer. There are noticeable differences between the surface water and groundwater chemistry and isotopic signatures. Groundwater samples have a mean TDS of 1217 mg/l and pH of 7.5 while surface water samples have a mean TDS of 332 mg/l and pH of 8.3. A close correlation between land use and nitrate concentrations is observed with higher values being found in groundwater in the more developed areas, over 500 mg/l, suggesting human and agricultural contamination. Unfortunately, there also appears to be no relationship between radon concentration and the underlying geology with mean values in groundwater ranging from 188 Bq/m3 to 51400 Bq/m3 . Water Research Commission and the National Nuclear Regulator Geology MSc (Hydrogeology) Unrestricted Faculty of Natural and Agricultural Sciences 2024-07-29T12:44:25Z 2024-07-29T12:44:25Z 2024-09 2024-05-16 Dissertation * S2024 http://hdl.handle.net/2263/97286 10.25403/UPresearchdata.26370307 en © 2023 University of Pretoria. All rights reserved. The copyright in this work vests in the University of Pretoria. No part of this work may be reproduced or transmitted in any form or by any means, without the prior written permission of the University of Pretoria. application/pdf University of Pretoria |
| spellingShingle | UCTD Sustainable Development Goals (SDGs) Nitrates Environmental isotopes Hydrogeology Basement aquifers Oxygen isotopes Timbavati catchment Hydrochemistry, hydrogen and oxygen isotopes, and radon in waters of the greater Timbavati catchment, South Africa |
| title | Hydrochemistry, hydrogen and oxygen isotopes, and radon in waters of the greater Timbavati catchment, South Africa |
| title_full | Hydrochemistry, hydrogen and oxygen isotopes, and radon in waters of the greater Timbavati catchment, South Africa |
| title_fullStr | Hydrochemistry, hydrogen and oxygen isotopes, and radon in waters of the greater Timbavati catchment, South Africa |
| title_full_unstemmed | Hydrochemistry, hydrogen and oxygen isotopes, and radon in waters of the greater Timbavati catchment, South Africa |
| title_short | Hydrochemistry, hydrogen and oxygen isotopes, and radon in waters of the greater Timbavati catchment, South Africa |
| title_sort | hydrochemistry hydrogen and oxygen isotopes and radon in waters of the greater timbavati catchment south africa |
| topic | UCTD Sustainable Development Goals (SDGs) Nitrates Environmental isotopes Hydrogeology Basement aquifers Oxygen isotopes Timbavati catchment |
| url | http://hdl.handle.net/2263/97286 |