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  "agreement": "true",
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  "agreement": "true",
            
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  "alternative_identifier": "DOI: 10.5281/zenodo.3996198",
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  "alternative_identifier": "DOI: 10.5281/zenodo.3996198",
            
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  "author": null,
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  "author": null,
            
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  "authors": [
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  "authors": [
            
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    {
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    {
            
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      "author_department": "",
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      "author_department": "",
            
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      "author_email": "Michael.Silberbauer@gmail.com",
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      "author_email": "Michael.Silberbauer@gmail.com",
            
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      "author_name": "Michael",
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      "author_name": "Michael",
            
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      "author_organization": "Department of Water and Sanitation, 
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      "author_organization": "Department of Water and Sanitation, 
            
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Resource Quality Information Services, Pretoria, South Africa / 
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Resource Quality Information Services, Pretoria, South Africa / 
            
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Freshwater Research Unit (FRU), University of Cape Town",
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Freshwater Research Unit (FRU), University of Cape Town",
            
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      "author_surname": "Silberbauer",
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      "author_surname": "Silberbauer",
            
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      "contact_same_as_author": "True"
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      "contact_same_as_author": "True"
            
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    }
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    }
            
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  ],
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  ],
            
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  "citation_title": "SILBERBAUER M (2020) ReScience challenge: 
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  "citation_title": "SILBERBAUER M (2020) ReScience challenge: 
            
19
Geographical trends in the water chemistry of wetlands in the 
19
Geographical trends in the water chemistry of wetlands in the 
            
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South\u2011Western Cape Province, South Africa. ReScience C 6 (1) 
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South\u2011Western Cape Province, South Africa. ReScience C 6 (1) 
            
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Article #13.",
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Article #13.",
            
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  "contact_person": [
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    {
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    {
            
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      "contact_department": "",
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      "contact_department": "",
            
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      "contact_email": "Michael.Silberbauer@gmail.com",
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      "contact_email": "Michael.Silberbauer@gmail.com",
            
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      "contact_name": "Michael",
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      "contact_name": "Michael",
            
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      "contact_orgnization": "Department of Water and Sanitation, 
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      "contact_orgnization": "Department of Water and Sanitation, 
            
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Resource Quality Information Services, Pretoria, South Africa / 
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Resource Quality Information Services, Pretoria, South Africa / 
            
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Freshwater Research Unit (FRU), University of Cape Town"
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Freshwater Research Unit (FRU), University of Cape Town"
            
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    }
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    }
            
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  ],
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  ],
            
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  "creator_user_id": "fa7af5b8-32a7-4df0-90a7-c49fbefb1fbd",
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  "creator_user_id": "fa7af5b8-32a7-4df0-90a7-c49fbefb1fbd",
            
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  "data_classification": "both",
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  "data_classification": "both",
            
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  "data_collection_organization": "University of Cape Town",
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  "data_collection_organization": "University of Cape Town",
            
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  "data_reference_date": [
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  "data_reference_date": [
            
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    {
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    {
            
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      "data_reference_date_from": "1986-01-01",
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      "data_reference_date_from": "1986-01-01",
            
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      "data_reference_date_to": "1989-12-31"
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      "data_reference_date_to": "1989-12-31"
            
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    }
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    }
            
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  ],
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  ],
            
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  "data_structure_category": "structured",
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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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  "did_author_or_contact_organization_collect_the_data": "false",
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  "did_author_or_contact_organization_collect_the_data": "false",
            
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  "email": "vanderLaanM@arc.agric.za",
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  "email": "vanderLaanM@arc.agric.za",
            
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  "groups": [],
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  "groups": [],
            
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  "id": "213018f6-d13c-4743-a1a5-5e20fb6f8f7b",
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  "id": "213018f6-d13c-4743-a1a5-5e20fb6f8f7b",
            
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  "isopen": false,
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  "isopen": false,
            
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  "keywords": "Wetlands, Water chemistry, Major ions, Maucha diagrams, 
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  "keywords": "Wetlands, Water chemistry, Major ions, Maucha diagrams, 
            
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Western Cape, South Africa, Hydrochemistry",
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Western Cape, South Africa, Hydrochemistry",
            
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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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  "maintainer": null,
            
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  "metadata_created": "2025-10-22T11:52:35.675951",
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  "metadata_created": "2025-10-22T11:52:35.675951",
            
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  "metadata_modified": "2026-03-29T13:47:25.773171",
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  "metadata_modified": "2026-04-01T06:54:17.094167",
            
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  "minimum_maximum_extent": [
            
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    {
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    {
            
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      "maximum_vertical_extent": "1500",
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      "maximum_vertical_extent": "1500",
            
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      "minimum_vertical_extent": "0"
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      "minimum_vertical_extent": "0"
            
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  ],
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  "name": 
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  "name": 
            
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l-trends-in-water-chemistry-of-wetlands-in-western-cape-south-africa",
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l-trends-in-water-chemistry-of-wetlands-in-western-cape-south-africa",
            
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  "notes": "The dataset contained major\u2011ion water chemistry data 
67
  "notes": "The dataset contained major\u2011ion water chemistry data 
            
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from wetlands located in the South\u2011Western Cape Province of South 
68
from wetlands located in the South\u2011Western Cape Province of South 
            
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Africa. The data were originally collected during the late 1980s as 
69
Africa. The data were originally collected during the late 1980s as 
            
70
part of a wetlands research project managed by the Freshwater Research 
70
part of a wetlands research project managed by the Freshwater Research 
            
71
Unit at the University of Cape Town. The study investigated whether 
71
Unit at the University of Cape Town. The study investigated whether 
            
72
geographical patterns existed in the major\u2011ion chemistry of 
72
geographical patterns existed in the major\u2011ion chemistry of 
            
73
wetland waters by analysing ionic concentrations and visualising their 
73
wetland waters by analysing ionic concentrations and visualising their 
            
74
relationships using Maucha ionic diagrams.\r\nWater chemistry 
74
relationships using Maucha ionic diagrams.\r\nWater chemistry 
            
75
measurements included major cations and anions, together with 
75
measurements included major cations and anions, together with 
            
76
supporting physicochemical variables such as temperature, 
76
supporting physicochemical variables such as temperature, 
            
77
conductivity, salinity, pH, total dissolved solids and nutrients. The 
77
conductivity, salinity, pH, total dissolved solids and nutrients. The 
            
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dataset was stored in a fixed\u2011width ASCII file (CHEMDATA.DAT) and 
78
dataset was stored in a fixed\u2011width ASCII file (CHEMDATA.DAT) and 
            
79
later re\u2011analysed for reproducibility as part of the ReScience 
79
later re\u2011analysed for reproducibility as part of the ReScience 
            
80
challenge. The reproduced analysis demonstrated the continued 
80
challenge. The reproduced analysis demonstrated the continued 
            
81
usability of historical environmental datasets and illustrated 
81
usability of historical environmental datasets and illustrated 
            
82
long\u2011term value for assessing wetland condition and baseline 
82
long\u2011term value for assessing wetland condition and baseline 
            
83
water chemistry in the Western Cape region.\r\nThe dataset served as a 
83
water chemistry in the Western Cape region.\r\nThe dataset served as a 
            
84
historical baseline for subsequent studies on wetland change and water 
84
historical baseline for subsequent studies on wetland change and water 
            
85
quality trends and supported spatial interpretation of hydrochemical 
85
quality trends and supported spatial interpretation of hydrochemical 
            
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variability across wetlands within the study region.",
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variability across wetlands within the study region.",
            
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    "description": "UCT has a proud tradition of academic excellence 
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    "description": "UCT has a proud tradition of academic excellence 
            
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and is currently the top-rated university in Africa and one of the 
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and is currently the top-rated university in Africa and one of the 
            
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top-rated universities in the world. Our researchers continue to help 
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top-rated universities in the world. Our researchers continue to help 
            
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with the creation of African-based solutions to global problems, 
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with the creation of African-based solutions to global problems, 
            
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including issues relating to climate change, urbanisation, safety and 
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including issues relating to climate change, urbanisation, safety and 
            
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security, education and health, to name just a few. Many UCT 
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security, education and health, to name just a few. Many UCT 
            
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researchers are recognised world leaders in their respective fields, 
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researchers are recognised world leaders in their respective fields, 
            
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which means that if you choose to study with us, you will continually 
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which means that if you choose to study with us, you will continually 
            
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be exposed to the latest scholarly work and research discoveries.",
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be exposed to the latest scholarly work and research discoveries.",
            
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  "publication_date": "2020-08-22",
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  "publication_date": "2020-08-22",
            
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  "tags": [],
            
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  "title": "Geographical Trends In Water Chemistry Of Wetlands In 
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  "title": "Geographical Trends In Water Chemistry Of Wetlands In 
            
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Western Cape South Africa",
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Western Cape South Africa",
            
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}