Changes

              
    

          
          
        
        

            
f
1
{
f
1
{
            
2
  "agreement": "true",
2
  "agreement": "true",
            
3
  "alternative_identifier": "DOI: 10.5281/zenodo.3996198",
3
  "alternative_identifier": "DOI: 10.5281/zenodo.3996198",
            
4
  "author": null,
4
  "author": null,
            
5
  "author_email": null,
5
  "author_email": null,
            
6
  "authors": [
6
  "authors": [
            
7
    {
7
    {
            
8
      "author_department": "",
8
      "author_department": "",
            
9
      "author_email": "Michael.Silberbauer@gmail.com",
9
      "author_email": "Michael.Silberbauer@gmail.com",
            
10
      "author_name": "Michael",
10
      "author_name": "Michael",
            
11
      "author_organization": "Department of Water and Sanitation, 
11
      "author_organization": "Department of Water and Sanitation, 
            
12
Resource Quality Information Services, Pretoria, South Africa / 
12
Resource Quality Information Services, Pretoria, South Africa / 
            
13
Freshwater Research Unit (FRU), University of Cape Town",
13
Freshwater Research Unit (FRU), University of Cape Town",
            
14
      "author_surname": "Silberbauer",
14
      "author_surname": "Silberbauer",
            
15
      "contact_same_as_author": "True"
15
      "contact_same_as_author": "True"
            
16
    }
16
    }
            
17
  ],
17
  ],
            
18
  "citation_title": "SILBERBAUER M (2020) ReScience challenge: 
18
  "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 
            
20
South\u2011Western Cape Province, South Africa. ReScience C 6 (1) 
20
South\u2011Western Cape Province, South Africa. ReScience C 6 (1) 
            
21
Article #13.",
21
Article #13.",
            
22
  "contact_person": [
22
  "contact_person": [
            
23
    {
23
    {
            
24
      "contact_department": "",
24
      "contact_department": "",
            
25
      "contact_email": "Michael.Silberbauer@gmail.com",
25
      "contact_email": "Michael.Silberbauer@gmail.com",
            
26
      "contact_name": "Michael",
26
      "contact_name": "Michael",
            
27
      "contact_orgnization": "Department of Water and Sanitation, 
27
      "contact_orgnization": "Department of Water and Sanitation, 
            
28
Resource Quality Information Services, Pretoria, South Africa / 
28
Resource Quality Information Services, Pretoria, South Africa / 
            
29
Freshwater Research Unit (FRU), University of Cape Town"
29
Freshwater Research Unit (FRU), University of Cape Town"
            
30
    }
30
    }
            
31
  ],
31
  ],
            
32
  "creator_user_id": "fa7af5b8-32a7-4df0-90a7-c49fbefb1fbd",
32
  "creator_user_id": "fa7af5b8-32a7-4df0-90a7-c49fbefb1fbd",
            
33
  "data_classification": "both",
33
  "data_classification": "both",
            
34
  "data_collection_organization": "University of Cape Town",
34
  "data_collection_organization": "University of Cape Town",
            
35
  "data_reference_date": [
35
  "data_reference_date": [
            
36
    {
36
    {
            
37
      "data_reference_date_from": "1986-01-01",
37
      "data_reference_date_from": "1986-01-01",
            
38
      "data_reference_date_to": "1989-12-31"
38
      "data_reference_date_to": "1989-12-31"
            
39
    }
39
    }
            
40
  ],
40
  ],
            
41
  "data_structure_category": "structured",
41
  "data_structure_category": "structured",
            
42
  "dataset_language": "English",
42
  "dataset_language": "English",
            
43
  "dataset_license_url": 
43
  "dataset_license_url": 
            
44
"https://creativecommons.org/licenses/by-sa/4.0/",
44
"https://creativecommons.org/licenses/by-sa/4.0/",
            
45
  "did_author_or_contact_organization_collect_the_data": "false",
45
  "did_author_or_contact_organization_collect_the_data": "false",
            
46
  "email": "vanderLaanM@arc.agric.za",
46
  "email": "vanderLaanM@arc.agric.za",
            
47
  "groups": [],
47
  "groups": [],
            
48
  "id": "213018f6-d13c-4743-a1a5-5e20fb6f8f7b",
48
  "id": "213018f6-d13c-4743-a1a5-5e20fb6f8f7b",
            
49
  "isopen": false,
49
  "isopen": false,
            
50
  "keywords": "Wetlands, Water chemistry, Major ions, Maucha diagrams, 
50
  "keywords": "Wetlands, Water chemistry, Major ions, Maucha diagrams, 
            
51
Western Cape, South Africa, Hydrochemistry",
51
Western Cape, South Africa, Hydrochemistry",
            
52
  "license": "Open (Creative Commons)",
52
  "license": "Open (Creative Commons)",
            
53
  "license_id": null,
53
  "license_id": null,
            
54
  "license_title": null,
54
  "license_title": null,
            
55
  "maintainer": null,
55
  "maintainer": null,
            
56
  "maintainer_email": null,
56
  "maintainer_email": null,
            
57
  "metadata_created": "2025-10-22T11:52:35.675951",
57
  "metadata_created": "2025-10-22T11:52:35.675951",
            
n
58
  "metadata_modified": "2026-07-14T09:45:53.132807",
n
58
  "metadata_modified": "2026-07-27T06:40:23.965308",
            
59
  "minimum_maximum_extent": [
59
  "minimum_maximum_extent": [
            
60
    {
60
    {
            
61
      "maximum_vertical_extent": "1500",
61
      "maximum_vertical_extent": "1500",
            
62
      "minimum_vertical_extent": "0"
62
      "minimum_vertical_extent": "0"
            
63
    }
63
    }
            
64
  ],
64
  ],
            
65
  "name": 
65
  "name": 
            
66
l-trends-in-water-chemistry-of-wetlands-in-western-cape-south-africa",
66
l-trends-in-water-chemistry-of-wetlands-in-western-cape-south-africa",
            
67
  "notes": "The dataset contained major\u2011ion water chemistry data 
67
  "notes": "The dataset contained major\u2011ion water chemistry data 
            
68
from wetlands located in the South\u2011Western Cape Province of South 
68
from wetlands located in the South\u2011Western Cape Province of South 
            
69
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 
            
78
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 
            
86
variability across wetlands within the study region.",
86
variability across wetlands within the study region.",
            
87
  "num_resources": 1,
87
  "num_resources": 1,
            
88
  "num_tags": 0,
88
  "num_tags": 0,
            
89
  "organization": {
89
  "organization": {
            
90
    "approval_status": "approved",
90
    "approval_status": "approved",
            
91
    "created": "2026-02-28T11:26:51.247095",
91
    "created": "2026-02-28T11:26:51.247095",
            
92
    "description": "UCT has a proud tradition of academic excellence 
92
    "description": "UCT has a proud tradition of academic excellence 
            
93
and is currently the top-rated university in Africa and one of the 
93
and is currently the top-rated university in Africa and one of the 
            
94
top-rated universities in the world. Our researchers continue to help 
94
top-rated universities in the world. Our researchers continue to help 
            
95
with the creation of African-based solutions to global problems, 
95
with the creation of African-based solutions to global problems, 
            
96
including issues relating to climate change, urbanisation, safety and 
96
including issues relating to climate change, urbanisation, safety and 
            
97
security, education and health, to name just a few. Many UCT 
97
security, education and health, to name just a few. Many UCT 
            
98
researchers are recognised world leaders in their respective fields, 
98
researchers are recognised world leaders in their respective fields, 
            
99
which means that if you choose to study with us, you will continually 
99
which means that if you choose to study with us, you will continually 
            
100
be exposed to the latest scholarly work and research discoveries.",
100
be exposed to the latest scholarly work and research discoveries.",
            
101
    "id": "6a0bc997-80e8-47b7-8cde-1db2297419a6",
101
    "id": "6a0bc997-80e8-47b7-8cde-1db2297419a6",
            
102
    "image_url": "2026-02-28-112651.235981UCTLogo.jpg",
102
    "image_url": "2026-02-28-112651.235981UCTLogo.jpg",
            
103
    "is_organization": true,
103
    "is_organization": true,
            
104
    "name": "university-of-cape-town",
104
    "name": "university-of-cape-town",
            
105
    "state": "active",
105
    "state": "active",
            
106
    "title": "University of Cape Town",
106
    "title": "University of Cape Town",
            
107
    "type": "organization"
107
    "type": "organization"
            
108
  },
108
  },
            
109
  "owner_org": "6a0bc997-80e8-47b7-8cde-1db2297419a6",
109
  "owner_org": "6a0bc997-80e8-47b7-8cde-1db2297419a6",
            
110
  "private": false,
110
  "private": false,
            
111
  "publication_date": "2020-08-22",
111
  "publication_date": "2020-08-22",
            
112
  "publisher": "ReScience C / Zenodo",
112
  "publisher": "ReScience C / Zenodo",
            
113
  "relationships_as_object": [],
113
  "relationships_as_object": [],
            
114
  "relationships_as_subject": [],
114
  "relationships_as_subject": [],
            
115
  "resources": [
115
  "resources": [
            
116
    {
116
    {
            
117
      "cache_last_updated": null,
117
      "cache_last_updated": null,
            
118
      "cache_url": null,
118
      "cache_url": null,
            
119
      "created": "2025-10-22T11:52:35.968639",
119
      "created": "2025-10-22T11:52:35.968639",
            
120
      "description": null,
120
      "description": null,
            
n
121
      "download_count": 42,
n
121
      "download_count": 43,
            
122
      "format": "xlsx",
122
      "format": "xlsx",
            
123
      "hash": "",
123
      "hash": "",
            
124
      "id": "bd5acd2a-e441-4476-8015-e58351f5e517",
124
      "id": "bd5acd2a-e441-4476-8015-e58351f5e517",
            
125
      "is_data_supplementary": "False",
125
      "is_data_supplementary": "False",
            
126
      "last_modified": "2025-10-22T11:52:35.951126",
126
      "last_modified": "2025-10-22T11:52:35.951126",
            
n
127
      "metadata_modified": "2026-07-14T09:45:53.139784",
n
127
      "metadata_modified": "2026-07-27T06:40:23.972200",
            
128
      "mimetype": 
128
      "mimetype": 
            
129
"application/vnd.openxmlformats-officedocument.spreadsheetml.sheet",
129
"application/vnd.openxmlformats-officedocument.spreadsheetml.sheet",
            
130
      "mimetype_inner": null,
130
      "mimetype_inner": null,
            
131
      "name": 
131
      "name": 
            
132
s_king_silberbauer_1991_id_1ac3ca2c-638d-4f4f-89c0-2088b3de4765.xlsx",
132
s_king_silberbauer_1991_id_1ac3ca2c-638d-4f4f-89c0-2088b3de4765.xlsx",
            
133
      "package_id": "213018f6-d13c-4743-a1a5-5e20fb6f8f7b",
133
      "package_id": "213018f6-d13c-4743-a1a5-5e20fb6f8f7b",
            
134
      "position": 0,
134
      "position": 0,
            
135
      "resource_type": null,
135
      "resource_type": null,
            
136
      "size": 158681,
136
      "size": 158681,
            
137
      "state": "active",
137
      "state": "active",
            
138
      "url": 
138
      "url": 
            
139
s_king_silberbauer_1991_id_1ac3ca2c-638d-4f4f-89c0-2088b3de4765.xlsx",
139
s_king_silberbauer_1991_id_1ac3ca2c-638d-4f4f-89c0-2088b3de4765.xlsx",
            
140
      "url_type": "upload",
140
      "url_type": "upload",
            
141
      "zipped_file": "False"
141
      "zipped_file": "False"
            
142
    }
142
    }
            
143
  ],
143
  ],
            
t
144
  "spatial": "{\"type\": \"Polygon\", \"coordinates\": [[[16.4699, 
t

            
145
-22.1265], [32.8931, -22.1265], [32.8931, -34.8212], [16.4699, 

            
146
-34.8212], [16.4699, -22.1265]]]}",

            
147
  "state": "active",
144
  "state": "active",
            
148
  "tags": [],
145
  "tags": [],
            
149
  "title": "Geographical Trends In Water Chemistry Of Wetlands In 
146
  "title": "Geographical Trends In Water Chemistry Of Wetlands In 
            
150
Western Cape South Africa",
147
Western Cape South Africa",
            
151
  "type": "dataset",
148
  "type": "dataset",
            
152
  "uploader_estimation_of_extent_of_processing": "access",
149
  "uploader_estimation_of_extent_of_processing": "access",
            
153
  "url": null,
150
  "url": null,
            
154
  "version": null,
151
  "version": null,
            
155
  "vertical_extent_datum": "masl",
152
  "vertical_extent_datum": "masl",
            
156
  "wrc_project_number": "Not reported in the publication",
153
  "wrc_project_number": "Not reported in the publication",
            
157
  "wro_theme": "water_quality"
154
  "wro_theme": "water_quality"
            
158
}
155
}