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  "authors": [
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    {
            
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      "author_department": "",
            
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      "author_email": "cmusekiwa@geoscience.org.za",
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      "author_email": "cmusekiwa@geoscience.org.za",
            
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      "author_name": "Chiedza",
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      "author_name": "Chiedza",
            
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      "author_organization": "Council for Geoscience",
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      "author_organization": "Council for Geoscience",
            
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      "author_surname": "Musekiwa ",
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      "author_surname": "Musekiwa ",
            
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      "contact_same_as_author": "True"
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      "contact_same_as_author": "True"
            
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      "author_department": "",
            
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      "author_email": "",
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      "author_email": "",
            
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      "author_name": "Kwazikwakhe",
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      "author_name": "Kwazikwakhe",
            
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      "author_organization": "Department of Water Affairs",
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      "author_organization": "Department of Water Affairs",
            
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      "author_surname": "Majola"
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      "author_surname": "Majola"
            
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    }
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    }
            
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  ],
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  ],
            
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  "citation_title": "MUSEKIWA C and MAJOLA K (2013) Groundwater 
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  "citation_title": "MUSEKIWA C and MAJOLA K (2013) Groundwater 
            
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Vulnerability Map for South Africa. South African Journal of Geomatics 
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Vulnerability Map for South Africa. South African Journal of Geomatics 
            
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2 (2) 152-163.",
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2 (2) 152-163.",
            
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      "contact_email": "cmusekiwa@geoscience.org.za",
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      "contact_email": "cmusekiwa@geoscience.org.za",
            
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      "contact_name": "Chiedza",
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      "contact_name": "Chiedza",
            
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      "contact_orgnization": "Council for Geoscience"
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      "contact_orgnization": "Council for Geoscience"
            
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Department of Water Affairs",
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Department of Water Affairs",
            
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  "data_structure_category": "structured",
            
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  "dataset_language": "English",
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  "dataset_language": "English",
            
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  "dataset_license_url": 
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  "dataset_license_url": 
            
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"https://creativecommons.org/licenses/by-sa/4.0/",
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"https://creativecommons.org/licenses/by-sa/4.0/",
            
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  "email": "vanderLaanM@arc.agric.za",
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  "keywords": "groundwater vulnerability, DRASTIC, DSVI, aquifer 
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  "keywords": "groundwater vulnerability, DRASTIC, DSVI, aquifer 
            
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vulnerability, groundwater contamination, land use, GIS, AHP, 
54
vulnerability, groundwater contamination, land use, GIS, AHP, 
            
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hydraulic conductivity, vadose zone, recharge, South Africa",
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hydraulic conductivity, vadose zone, recharge, South Africa",
            
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  "license": "Open (Creative Commons)",
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  "license": "Open (Creative Commons)",
            
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  "license_id": null,
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  "license_id": null,
            
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  "license_title": null,
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  "license_title": null,
            
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  "metadata_modified": "2026-04-06T08:55:46.401326",
            
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    {
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      "maximum_vertical_extent": "3451",
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      "maximum_vertical_extent": "3451",
            
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      "minimum_vertical_extent": "0"
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      "minimum_vertical_extent": "0"
            
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    }
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  ],
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  "name": "groundwater-vulnerability-map-for-south-africa",
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  "name": "groundwater-vulnerability-map-for-south-africa",
            
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  "notes": "This study developed a national groundwater vulnerability 
70
  "notes": "This study developed a national groundwater vulnerability 
            
71
map for South Africa using a modified DRASTIC approach called the 
71
map for South Africa using a modified DRASTIC approach called the 
            
72
DRASTIC Specific Vulnerability Index (DSVI), which incorporates an 
72
DRASTIC Specific Vulnerability Index (DSVI), which incorporates an 
            
73
additional anthropogenic impact parameter (land use). The methodology 
73
additional anthropogenic impact parameter (land use). The methodology 
            
74
combines multiple hydrogeological and environmental layers\u2014depth 
74
combines multiple hydrogeological and environmental layers\u2014depth 
            
75
to groundwater, recharge, aquifer media, soil media, topography 
75
to groundwater, recharge, aquifer media, soil media, topography 
            
76
(slope), vadose zone impact, hydraulic conductivity, and land 
76
(slope), vadose zone impact, hydraulic conductivity, and land 
            
77
use\u2014which are rated and weighted (including use of the Analytical 
77
use\u2014which are rated and weighted (including use of the Analytical 
            
78
Hierarchy Process) and combined in a GIS environment to produce a 
78
Hierarchy Process) and combined in a GIS environment to produce a 
            
79
final vulnerability surface. The resulting national vulnerability 
79
final vulnerability surface. The resulting national vulnerability 
            
80
raster is reported at 150 \u00d7 150 m spatial resolution. The 
80
raster is reported at 150 \u00d7 150 m spatial resolution. The 
            
81
vulnerability classes are compared against groundwater quality 
81
vulnerability classes are compared against groundwater quality 
            
82
indicators including borehole electrical conductivity (EC) from the 
82
indicators including borehole electrical conductivity (EC) from the 
            
83
National Groundwater Database and a nitrate map, showing broad 
83
National Groundwater Database and a nitrate map, showing broad 
            
84
similarities between higher vulnerability zones and poorer groundwater 
84
similarities between higher vulnerability zones and poorer groundwater 
            
85
quality patterns. The published paper emphasises appropriate scale use 
85
quality patterns. The published paper emphasises appropriate scale use 
            
86
(regional planning rather than site-specific interpretation) and 
86
(regional planning rather than site-specific interpretation) and 
            
87
recommends periodic updating and careful communication to reduce 
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recommends periodic updating and careful communication to reduce 
            
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misuse.",
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misuse.",
            
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    "description": "The Council for Geoscience is one of the national 
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    "description": "The Council for Geoscience is one of the national 
            
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science councils of South Africa and is the legal successor of the 
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science councils of South Africa and is the legal successor of the 
            
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Geological Survey of South Africa, which was formed in 1912 by the 
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Geological Survey of South Africa, which was formed in 1912 by the 
            
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amalgamation of three former surveys, the oldest of which \u2014 the 
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amalgamation of three former surveys, the oldest of which \u2014 the 
            
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Geological Commission of the Cape of Good Hope \u2014 was founded in 
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Geological Commission of the Cape of Good Hope \u2014 was founded in 
            
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1895. The Geoscience Act (no. 100 of 1993) established the Council for 
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1895. The Geoscience Act (no. 100 of 1993) established the Council for 
            
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Geoscience in its present form. Today, the Council for Geoscience is a 
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Geoscience in its present form. Today, the Council for Geoscience is a 
            
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modern institution that boasts excellent facilities and expertise, 
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modern institution that boasts excellent facilities and expertise, 
            
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ranking among the best in Africa.\r\n\r\nAs a scientific research 
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ranking among the best in Africa.\r\n\r\nAs a scientific research 
            
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council, the Council for Geoscience is mandated to promote research, 
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council, the Council for Geoscience is mandated to promote research, 
            
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extend knowledge in the field of geoscience and provide specialised 
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extend knowledge in the field of geoscience and provide specialised 
            
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geoscientific services. The Council for Geoscience has a national 
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geoscientific services. The Council for Geoscience has a national 
            
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footprint in South Africa.",
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footprint in South Africa.",
            
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