Veranderingen

              
    

          
          
        
        

            
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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": "warmsenquiries@dws.gov.za",
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      "author_email": "warmsenquiries@dws.gov.za",
            
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      "author_name": "Department of Water and Sanitation",
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      "author_name": "Department of Water and Sanitation",
            
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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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  "citation_title": "",
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  "citation_title": "",
            
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  "contact_person": [
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      "contact_email": "warmsenquiries@dws.gov.za",
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      "contact_email": "warmsenquiries@dws.gov.za",
            
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      "contact_name": "Department of Water and Sanitation",
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      "contact_name": "Department of Water and Sanitation",
            
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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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  ],
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  "creator_user_id": "bc28a33f-dc21-4795-a57f-da7cd1aa23ea",
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  "creator_user_id": "bc28a33f-dc21-4795-a57f-da7cd1aa23ea",
            
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  "data_classification": "static",
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  "data_classification": "static",
            
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  "data_collection_organization": "Department of Water and 
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  "data_collection_organization": "Department of Water and 
            
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Sanitation",
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Sanitation",
            
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  "data_reference_date": [
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  ],
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  ],
            
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  "data_structure_category": "semi-structured",
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  "data_structure_category": "semi-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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  "id": "048ba698-6055-4bdd-9de4-ecb5f898c6fb",
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  "id": "048ba698-6055-4bdd-9de4-ecb5f898c6fb",
            
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  "isopen": false,
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  "isopen": false,
            
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  "keywords": "rivers, streams",
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  "keywords": "rivers, streams",
            
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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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  "maintainer": null,
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  "maintainer": null,
            
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  "maintainer_email": null,
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  "maintainer_email": null,
            
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  "metadata_created": "2026-02-20T11:52:13.788335",
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  "metadata_created": "2026-02-20T11:52:13.788335",
            
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  "metadata_modified": "2026-02-20T11:52:13.788341",
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  "metadata_modified": "2026-02-20T11:55:47.159868",
            
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  "minimum_maximum_extent": [
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      "minimum_vertical_extent": "0"
            
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    }
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    }
            
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  ],
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  ],
            
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  "name": "south-african-rivers",
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  "name": "south-african-rivers",
            
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  "notes": "ZIP file for South African rivers in drainage region ALL 
59
  "notes": "ZIP file for South African rivers in drainage region ALL 
            
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created on 2012-04-16 - 08:06:57\r\nby the Resource Quality Services 
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created on 2012-04-16 - 08:06:57\r\nby the Resource Quality Services 
            
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directorate of the Department of Water Affairs.\r\nThis is the release 
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directorate of the Department of Water Affairs.\r\nThis is the release 
            
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of 2012-04-16 - 08:06:57 and may still contain errors and 
62
of 2012-04-16 - 08:06:57 and may still contain errors and 
            
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inconsistencies.\r\nThe developers would welcome any feedback and 
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inconsistencies.\r\nThe developers would welcome any feedback and 
            
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corrections.",
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corrections.",
            
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  "organization": {
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  "organization": {
            
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    "approval_status": "approved",
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    "approval_status": "approved",
            
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    "created": "2025-12-03T12:47:25.898887",
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    "created": "2025-12-03T12:47:25.898887",
            
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    "description": "The Department of Water and Sanitation is the 
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    "description": "The Department of Water and Sanitation is the 
            
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custodian of South Africa's water resources. It is primarily 
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custodian of South Africa's water resources. It is primarily 
            
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responsible for the formulation and implementation of policy governing 
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responsible for the formulation and implementation of policy governing 
            
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this sector.\r\n\r\nWhile striving to ensure that all South Africans 
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this sector.\r\n\r\nWhile striving to ensure that all South Africans 
            
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gain access to clean water and dignified sanitation, the department 
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gain access to clean water and dignified sanitation, the department 
            
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also promotes effective and efficient water resources management to 
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also promotes effective and efficient water resources management to 
            
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ensure sustainable economic and social development.",
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ensure sustainable economic and social development.",
            
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    "id": "d21c1349-e459-4393-b893-95e35700c6bf",
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    "id": "d21c1349-e459-4393-b893-95e35700c6bf",
            
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    "image_url": "2025-12-03-124725.882101DWS-logo.jpg",
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    "image_url": "2025-12-03-124725.882101DWS-logo.jpg",
            
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    "is_organization": true,
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    "is_organization": true,
            
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    "name": "department-of-water-and-sanitation",
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    "name": "department-of-water-and-sanitation",
            
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    "state": "active",
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    "state": "active",
            
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    "title": "Department of Water and Sanitation",
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    "title": "Department of Water and Sanitation",
            
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    "type": "organization"
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    "type": "organization"
            
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  },
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  },
            
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  "owner_org": "d21c1349-e459-4393-b893-95e35700c6bf",
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  "private": false,
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  "private": false,
            
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  "publication_date": "2012-04-16",
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  "publication_date": "2012-04-16",
            
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  "publisher": "Department of Water and Sanitation",
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  "publisher": "Department of Water and Sanitation",
            
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  "resources": [
            
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  "spatial": "{\"type\": \"Polygon\", \"coordinates\": [[[13.165308, 
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-20.629147], [35.7811468, -20.629147], [35.7811468, -35.2462649], 
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[13.165308, -35.2462649], [13.165308, -20.629147]]]}",
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      "cache_url": null,
            
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      "created": "2026-02-20T11:55:47.174073",
            
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      "dataset_description": "ZIP file for South African rivers in 
            
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drainage region ALL created on 2012-04-16 - 08:06:57\r\nby the 
            
98
Resource Quality Services directorate of the Department of Water 
            
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Affairs.\r\nThis is the release of 2012-04-16 - 08:06:57 and may still 
            
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contain errors and inconsistencies.\r\nThe developers would welcome 
            
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any feedback and corrections.\r\n(Please include river reachcodes when 
            
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reporting errors.)\r\nContact address: 
            
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SilberbauerM@dwa.gov.za\r\n\r\n-----------------\r\nThe files 
            
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are:\r\nWRI_500-GEO.HTM: metadata summary.\r\nWRI_500-GEO.JPG: 
            
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subsidiary file required for correct display of metadata 
            
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summary.\r\nSA.JPG: subsidiary file required for correct display of 
            
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metadata summary.\r\nMETADATA.XML: metadata generated in ESRI xml 
            
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format.\r\nQAT4QAT8.TXT: lookup table for conversion from South 
            
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African to USGS-style quaternary codes.\r\n(mainly of interest to ESA 
            
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BASINS users).\r\nWRIALL500.AVL: legend file for ArcView 3.x - line 
            
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width proportional to Strahler 
            
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order.\r\n-----------------\r\nWRIALL500.PRJ: ESRI projection 
            
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definition file.\r\nWRIALL500.SHP.XML: ESRI metadata 
            
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file.\r\nWRIALL500.SHP, WRIALL500.SHX, WRIALL500.DBF: ESRI shape file 
            
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components.\r\nThe shape file contains the South African 1:500 000 
            
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river coverage\r\nfor drainage region(s) ALL, in the Cape Datum, 
            
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geographical coordinates.\r\n(All editing occurred in Albers Equal 
            
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Area projection for exact tolerance setting.)\r\n(The data is being 
            
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kept in its original datum until a standard datum-shift 
            
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to\r\nHartebeesthoek94 or WGS84 is agreed upon, to avoid inadvertent 
            
121
data corruption.)\r\nThe fields may include:\r\n\r\n.  
            
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---------------\r\n(1) INTERNAL FIELDS (ignore)\r\n.  
            
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===============\r\nSHAPE, FNODE_,TNODE_, LPOLY_, RPOLY_, LENGTH, 
            
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TMPRIV_, TMPRIV_ID.\r\n\r\n(2) ATTRIBUTES (sequence may differ)\r\n.   
            
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==========\r\nNAME: generally, the name assigned to the reach on a 
            
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topographical map\r\n- sometimes the correctness is uncertain.\r\n- 
            
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ALIAS: alternate name or names for the reach, separated by \\.\r\n- 
            
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RIVN_ROOT: For multilingual annotation purposes (prototype): the root 
            
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of the river name.\r\n- RIVN_SUFX: The qualifier of the river name, 
            
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e.g. river, spruit, loop.\r\nCLASS: unreliable indicator of 
            
131
seasonality of river flow. The classes and allocation require 
            
132
review:\r\n- Dry=dry river, Perennial=perennial river, 
            
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Non=non-perennial river,\r\nUnknown=not present in original coverage 
            
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or not transferred from source map.\r\nPRIMARY: primary drainage 
            
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region where the reach occurs.\r\n- a lower-case letter indicates a 
            
136
pseudo drainage region outside South Africa.\r\nORDER: Strahler order, 
            
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starting from source=1.\r\nEND: S=Source, N=iNtermediate, M=Mouth, 
            
138
E=Endorheic.\r\nREACHCODE: 10-character reach code made up as 
            
139
follows:\r\n- 1 to 4: quaternary drainage region in which MOST of the 
            
140
river falls.\r\n(Note that USA programs such as BASINS expect eight 
            
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numerical digits.\r\nThe qat4qat8.txt lookup table contains the 
            
142
appropriate DWA to USA conversions.)\r\n- 5 to 6: arbitrary sequence 
            
143
number of the reaches within a quaternary drainage region.\r\n- 7 to 
            
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10: four zeroes (0000) in the 1:500 000 coverage, intended for later 
            
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use at more detailed scale.\r\nSORTER: internal sorting field - always 
            
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increases downstream in river network\r\nLENGTH_KM:  length of reach 
            
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in kilometres (not to be confused with the meaningless LENGTH 
            
148
field).\r\nRivEX fields:  (see http://www.rivex.co.uk/)\r\n- SEGMENT : 
            
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Channel identifier.\r\n- STRAHLER:  Horton-Strahler order.\r\n- 
            
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SHREVE:  Shreve order.\r\n- US_ACCUM: Accumulated upstream metres at 
            
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the lower node of each arc.\r\n- LINK_TYPE : same idea as the \"END\" 
            
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field, above. E=Exterior, I=Interior, O=Outlet.\r\n- CATCHID:  
            
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Automatically generated ID for each end node (i.e. when END='E' or 
            
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'M').\r\n- DIST2MTH : Distance to the mouth in metres from the upper 
            
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node of each arc.\r\n- MAINCHAN : Main channel identifier.\r\n- 
            
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CATCHID : drainage region identifier.\r\n",
            
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      "id": "b7bb1ffe-3af8-4310-bd87-028f8894dc2d",
            
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      "is_data_supplementary": "False",
            
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      "last_modified": "2026-02-20T11:55:47.128314",
            
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      "metadata_modified": "2026-02-20T11:55:47.169447",
            
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      "mimetype": "application/zip",
            
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      "package_id": "048ba698-6055-4bdd-9de4-ecb5f898c6fb",
            
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      "position": 0,
            
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      "resource_name": "South African rivers",
            
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      "resource_type": null,
            
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      "size": 6929508,
            
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      "state": "active",
            
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      "url": 
            
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af8-4310-bd87-028f8894dc2d/download/southafricanrivers_wriall500.zip",
            
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      "url_type": "upload",
            
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      "zipped_file": "False"
            
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  ],
            
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  "state": "draft",
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  "state": "draft",
            
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  "tags": [],
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  "tags": [],
            
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  "title": "South African rivers",
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  "title": "South African rivers",
            
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  "type": "dataset",
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  "type": "dataset",
            
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  "uploader_estimation_of_extent_of_processing": "access",
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  "uploader_estimation_of_extent_of_processing": "access",
            
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  "url": null,
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  "url": null,
            
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  "version": null,
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  "version": null,
            
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  "vertical_extent_datum": "masl",
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  "vertical_extent_datum": "masl",
            
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  "wrc_project_number": "",
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  "wrc_project_number": "",
            
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  "wro_theme": "streamflow"
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  "wro_theme": "streamflow"
            
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}
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}