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_structure_category": "structured",
35
  "data_structure_category": "structured",
            
36
  "dataset_language": "English",
36
  "dataset_language": "English",
            
37
  "dataset_license_url": 
37
  "dataset_license_url": 
            
38
"https://creativecommons.org/licenses/by-sa/4.0/",
38
"https://creativecommons.org/licenses/by-sa/4.0/",
            
39
  "did_author_or_contact_organization_collect_the_data": "false",
39
  "did_author_or_contact_organization_collect_the_data": "false",
            
40
  "email": "vanderLaanM@arc.agric.za",
40
  "email": "vanderLaanM@arc.agric.za",
            
41
  "extras": [
41
  "extras": [
            
42
    {
42
    {
            
43
      "key": "data_reference_date_from",
43
      "key": "data_reference_date_from",
            
44
      "value": "1986-01-01"
44
      "value": "1986-01-01"
            
45
    },
45
    },
            
46
    {
46
    {
            
47
      "key": "data_reference_date_to",
47
      "key": "data_reference_date_to",
            
48
      "value": "1989-12-31"
48
      "value": "1989-12-31"
            
49
    }
49
    }
            
50
  ],
50
  ],
            
51
  "groups": [],
51
  "groups": [],
            
52
  "id": "213018f6-d13c-4743-a1a5-5e20fb6f8f7b",
52
  "id": "213018f6-d13c-4743-a1a5-5e20fb6f8f7b",
            
53
  "isopen": false,
53
  "isopen": false,
            
54
  "keywords": "Wetlands, Water chemistry, Major ions, Maucha diagrams, 
54
  "keywords": "Wetlands, Water chemistry, Major ions, Maucha diagrams, 
            
55
Western Cape, South Africa, Hydrochemistry",
55
Western Cape, South Africa, Hydrochemistry",
            
56
  "license": "Open (Creative Commons)",
56
  "license": "Open (Creative Commons)",
            
57
  "license_id": null,
57
  "license_id": null,
            
58
  "license_title": null,
58
  "license_title": null,
            
59
  "maintainer": null,
59
  "maintainer": null,
            
60
  "maintainer_email": null,
60
  "maintainer_email": null,
            
61
  "metadata_created": "2025-10-22T11:52:35.675951",
61
  "metadata_created": "2025-10-22T11:52:35.675951",
            
n
62
  "metadata_modified": "2026-10-11T00:00:40.154898",
n
62
  "metadata_modified": "2026-10-11T00:00:44.123012",
            
63
  "minimum_maximum_extent": [
63
  "minimum_maximum_extent": [
            
64
    {
64
    {
            
65
      "maximum_vertical_extent": "1500",
65
      "maximum_vertical_extent": "1500",
            
66
      "minimum_vertical_extent": "0"
66
      "minimum_vertical_extent": "0"
            
67
    }
67
    }
            
68
  ],
68
  ],
            
69
  "name": 
69
  "name": 
            
70
l-trends-in-water-chemistry-of-wetlands-in-western-cape-south-africa",
70
l-trends-in-water-chemistry-of-wetlands-in-western-cape-south-africa",
            
71
  "notes": "The dataset contained major\u2011ion water chemistry data 
71
  "notes": "The dataset contained major\u2011ion water chemistry data 
            
72
from wetlands located in the South\u2011Western Cape Province of South 
72
from wetlands located in the South\u2011Western Cape Province of South 
            
73
Africa. The data were originally collected during the late 1980s as 
73
Africa. The data were originally collected during the late 1980s as 
            
74
part of a wetlands research project managed by the Freshwater Research 
74
part of a wetlands research project managed by the Freshwater Research 
            
75
Unit at the University of Cape Town. The study investigated whether 
75
Unit at the University of Cape Town. The study investigated whether 
            
76
geographical patterns existed in the major\u2011ion chemistry of 
76
geographical patterns existed in the major\u2011ion chemistry of 
            
77
wetland waters by analysing ionic concentrations and visualising their 
77
wetland waters by analysing ionic concentrations and visualising their 
            
78
relationships using Maucha ionic diagrams.\r\nWater chemistry 
78
relationships using Maucha ionic diagrams.\r\nWater chemistry 
            
79
measurements included major cations and anions, together with 
79
measurements included major cations and anions, together with 
            
80
supporting physicochemical variables such as temperature, 
80
supporting physicochemical variables such as temperature, 
            
81
conductivity, salinity, pH, total dissolved solids and nutrients. The 
81
conductivity, salinity, pH, total dissolved solids and nutrients. The 
            
82
dataset was stored in a fixed\u2011width ASCII file (CHEMDATA.DAT) and 
82
dataset was stored in a fixed\u2011width ASCII file (CHEMDATA.DAT) and 
            
83
later re\u2011analysed for reproducibility as part of the ReScience 
83
later re\u2011analysed for reproducibility as part of the ReScience 
            
84
challenge. The reproduced analysis demonstrated the continued 
84
challenge. The reproduced analysis demonstrated the continued 
            
85
usability of historical environmental datasets and illustrated 
85
usability of historical environmental datasets and illustrated 
            
86
long\u2011term value for assessing wetland condition and baseline 
86
long\u2011term value for assessing wetland condition and baseline 
            
87
water chemistry in the Western Cape region.\r\nThe dataset served as a 
87
water chemistry in the Western Cape region.\r\nThe dataset served as a 
            
88
historical baseline for subsequent studies on wetland change and water 
88
historical baseline for subsequent studies on wetland change and water 
            
89
quality trends and supported spatial interpretation of hydrochemical 
89
quality trends and supported spatial interpretation of hydrochemical 
            
90
variability across wetlands within the study region.",
90
variability across wetlands within the study region.",
            
91
  "num_resources": 1,
91
  "num_resources": 1,
            
92
  "num_tags": 0,
92
  "num_tags": 0,
            
93
  "organization": {
93
  "organization": {
            
94
    "approval_status": "approved",
94
    "approval_status": "approved",
            
95
    "created": "2026-02-28T11:26:51.247095",
95
    "created": "2026-02-28T11:26:51.247095",
            
96
    "description": "UCT has a proud tradition of academic excellence 
96
    "description": "UCT has a proud tradition of academic excellence 
            
97
and is currently the top-rated university in Africa and one of the 
97
and is currently the top-rated university in Africa and one of the 
            
98
top-rated universities in the world. Our researchers continue to help 
98
top-rated universities in the world. Our researchers continue to help 
            
99
with the creation of African-based solutions to global problems, 
99
with the creation of African-based solutions to global problems, 
            
100
including issues relating to climate change, urbanisation, safety and 
100
including issues relating to climate change, urbanisation, safety and 
            
101
security, education and health, to name just a few. Many UCT 
101
security, education and health, to name just a few. Many UCT 
            
102
researchers are recognised world leaders in their respective fields, 
102
researchers are recognised world leaders in their respective fields, 
            
103
which means that if you choose to study with us, you will continually 
103
which means that if you choose to study with us, you will continually 
            
104
be exposed to the latest scholarly work and research discoveries.",
104
be exposed to the latest scholarly work and research discoveries.",
            
105
    "id": "6a0bc997-80e8-47b7-8cde-1db2297419a6",
105
    "id": "6a0bc997-80e8-47b7-8cde-1db2297419a6",
            
106
    "image_url": "2026-02-28-112651.235981UCTLogo.jpg",
106
    "image_url": "2026-02-28-112651.235981UCTLogo.jpg",
            
107
    "is_organization": true,
107
    "is_organization": true,
            
108
    "name": "university-of-cape-town",
108
    "name": "university-of-cape-town",
            
109
    "state": "active",
109
    "state": "active",
            
110
    "title": "University of Cape Town",
110
    "title": "University of Cape Town",
            
111
    "type": "organization"
111
    "type": "organization"
            
112
  },
112
  },
            
113
  "owner_org": "6a0bc997-80e8-47b7-8cde-1db2297419a6",
113
  "owner_org": "6a0bc997-80e8-47b7-8cde-1db2297419a6",
            
114
  "private": false,
114
  "private": false,
            
115
  "publication_date": "2020-08-22",
115
  "publication_date": "2020-08-22",
            
116
  "publisher": "ReScience C / Zenodo",
116
  "publisher": "ReScience C / Zenodo",
            
117
  "relationships_as_object": [],
117
  "relationships_as_object": [],
            
118
  "relationships_as_subject": [],
118
  "relationships_as_subject": [],
            
119
  "resources": [
119
  "resources": [
            
120
    {
120
    {
            
121
      "cache_last_updated": null,
121
      "cache_last_updated": null,
            
122
      "cache_url": null,
122
      "cache_url": null,
            
123
      "created": "2025-10-22T11:52:35.968639",
123
      "created": "2025-10-22T11:52:35.968639",
            
124
      "description": null,
124
      "description": null,
            
n
125
      "download_count": 76,
n
125
      "download_count": 77,
            
126
      "format": "xlsx",
126
      "format": "xlsx",
            
127
      "hash": "",
127
      "hash": "",
            
128
      "id": "bd5acd2a-e441-4476-8015-e58351f5e517",
128
      "id": "bd5acd2a-e441-4476-8015-e58351f5e517",
            
129
      "is_data_supplementary": "False",
129
      "is_data_supplementary": "False",
            
130
      "last_modified": "2025-10-22T11:52:35.951126",
130
      "last_modified": "2025-10-22T11:52:35.951126",
            
n
131
      "metadata_modified": "2026-10-11T00:00:40.162247",
n
131
      "metadata_modified": "2026-10-11T00:00:44.131776",
            
132
      "mimetype": 
132
      "mimetype": 
            
133
"application/vnd.openxmlformats-officedocument.spreadsheetml.sheet",
133
"application/vnd.openxmlformats-officedocument.spreadsheetml.sheet",
            
134
      "mimetype_inner": null,
134
      "mimetype_inner": null,
            
135
      "name": 
135
      "name": 
            
136
s_king_silberbauer_1991_id_1ac3ca2c-638d-4f4f-89c0-2088b3de4765.xlsx",
136
s_king_silberbauer_1991_id_1ac3ca2c-638d-4f4f-89c0-2088b3de4765.xlsx",
            
137
      "package_id": "213018f6-d13c-4743-a1a5-5e20fb6f8f7b",
137
      "package_id": "213018f6-d13c-4743-a1a5-5e20fb6f8f7b",
            
138
      "position": 0,
138
      "position": 0,
            
139
      "resource_type": null,
139
      "resource_type": null,
            
140
      "size": 158681,
140
      "size": 158681,
            
141
      "state": "active",
141
      "state": "active",
            
142
      "url": 
142
      "url": 
            
143
s_king_silberbauer_1991_id_1ac3ca2c-638d-4f4f-89c0-2088b3de4765.xlsx",
143
s_king_silberbauer_1991_id_1ac3ca2c-638d-4f4f-89c0-2088b3de4765.xlsx",
            
144
      "url_type": "upload",
144
      "url_type": "upload",
            
145
      "zipped_file": "False"
145
      "zipped_file": "False"
            
146
    }
146
    }
            
147
  ],
147
  ],
            
t
148
  "spatial": "{\"type\": \"Polygon\", \"coordinates\": [[[16.4699, 
t

            
149
-22.1265], [32.8931, -22.1265], [32.8931, -34.8212], [16.4699, 

            
150
-34.8212], [16.4699, -22.1265]]]}",

            
151
  "state": "active",
148
  "state": "active",
            
152
  "tags": [],
149
  "tags": [],
            
153
  "title": "Geographical Trends In Water Chemistry Of Wetlands In 
150
  "title": "Geographical Trends In Water Chemistry Of Wetlands In 
            
154
Western Cape South Africa",
151
Western Cape South Africa",
            
155
  "type": "dataset",
152
  "type": "dataset",
            
156
  "uploader_estimation_of_extent_of_processing": "access",
153
  "uploader_estimation_of_extent_of_processing": "access",
            
157
  "url": null,
154
  "url": null,
            
158
  "version": null,
155
  "version": null,
            
159
  "vertical_extent_datum": "masl",
156
  "vertical_extent_datum": "masl",
            
160
  "wrc_project_number": "Not reported in the publication",
157
  "wrc_project_number": "Not reported in the publication",
            
161
  "wro_theme": "water_quality"
158
  "wro_theme": "water_quality"
            
162
}
159
}