Veranderingen

              
    

          
          
        
        

            
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  "agreement": "true",
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  "agreement": "true",
            
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  "alternative_identifier": 
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  "alternative_identifier": 
            
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"https://doi.org/10.17159/wsa/2021.v47.13.11864",
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"https://doi.org/10.17159/wsa/2021.v47.13.11864",
            
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  "author": null,
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  "author": null,
            
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  "author_email": 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": "Department of Plant and Soil Sciences",
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      "author_department": "Department of Plant and Soil Sciences",
            
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      "author_email": "michael.vanderlaan@up.ac.za",
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      "author_email": "michael.vanderlaan@up.ac.za",
            
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      "author_name": "Michael",
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      "author_name": "Michael",
            
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      "author_organization": "University of Pretoria",
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      "author_organization": "University of Pretoria",
            
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      "author_surname": "van der Laan",
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      "author_surname": "van der Laan",
            
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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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      "author_department": "Centre for Development and Environment",
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      "author_department": "Centre for Development and Environment",
            
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      "author_email": "",
            
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      "author_name": "Sandra",
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      "author_name": "Sandra",
            
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      "author_organization": "University of Bern",
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      "author_organization": "University of Bern",
            
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      "author_surname": "Eckert"
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      "author_surname": "Eckert"
            
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    },
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    },
            
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    {
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    {
            
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      "author_department": "Department of Plant and Soil Sciences",
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      "author_department": "Department of Plant and Soil Sciences",
            
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      "author_email": "",
            
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      "author_name": "Maya",
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      "author_name": "Maya",
            
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      "author_organization": "University of Pretoria",
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      "author_organization": "University of Pretoria",
            
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      "author_surname": "da Silva"
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      "author_surname": "da Silva"
            
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    },
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    },
            
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    {
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    {
            
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      "author_department": "Department of Plant and Soil Sciences",
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      "author_department": "Department of Plant and Soil Sciences",
            
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      "author_email": "",
            
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      "author_name": "John",
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      "author_name": "John",
            
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      "author_organization": "University of Pretoria",
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      "author_organization": "University of Pretoria",
            
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      "author_surname": "Annandale"
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      "author_surname": "Annandale"
            
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    }
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    }
            
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  ],
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  ],
            
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  "citation_title": "VAN DER LAAN M, ECKERT S, DA SILVA M and 
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  "citation_title": "VAN DER LAAN M, ECKERT S, DA SILVA M and 
            
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ANNANDALE J (2021) A water footprint approach to guide water resource 
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ANNANDALE J (2021) A water footprint approach to guide water resource 
            
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management in data-scarce regions: A case study for the Upper Ewaso 
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management in data-scarce regions: A case study for the Upper Ewaso 
            
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Ng'iro Basin, Mount Kenya. Water SA 47 (3) 356-366. 
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Ng'iro Basin, Mount Kenya. Water SA 47 (3) 356-366. 
            
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https://doi.org/10.17159/wsa/2021.v47.13.11864",
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https://doi.org/10.17159/wsa/2021.v47.13.11864",
            
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  "contact_person": [
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  "contact_person": [
            
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    {
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    {
            
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      "contact_department": "Department of Plant and Soil Sciences",
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      "contact_department": "Department of Plant and Soil Sciences",
            
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      "contact_email": "michael.vanderlaan@up.ac.za",
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      "contact_email": "michael.vanderlaan@up.ac.za",
            
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      "contact_name": "Michael",
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      "contact_name": "Michael",
            
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      "contact_orgnization": "University of Pretoria"
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      "contact_orgnization": "University of Pretoria"
            
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    }
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    }
            
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  ],
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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": "Both",
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  "data_classification": "both",
            
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  "data_collection_organization": "University of Pretoria",
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  "data_collection_organization": "University of Pretoria",
            
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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": "1960-01-01",
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      "data_reference_date_from": "1960-01-01",
            
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      "data_reference_date_to": "2010-12-31"
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      "data_reference_date_to": "2010-12-31"
            
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    }
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    }
            
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  ],
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  ],
            
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  "data_structure_category": "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/4.0/",
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"https://creativecommons.org/licenses/by/4.0/",
            
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  "did_author_or_contact_organization_collect_the_data": "true",
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  "did_author_or_contact_organization_collect_the_data": "true",
            
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  "email": "michael.vanderlaan@up.ac.za",
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  "email": "michael.vanderlaan@up.ac.za",
            
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  "groups": [],
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  "groups": [],
            
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  "id": "95f13b21-40a0-4854-985a-bdf90ff2430c",
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  "id": "95f13b21-40a0-4854-985a-bdf90ff2430c",
            
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  "isopen": false,
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  "isopen": false,
            
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  "keywords": "irrigation, integrated water resource management, basin 
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  "keywords": "irrigation, integrated water resource management, basin 
            
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water balance, water scarcity, roses",
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water balance, water scarcity, roses",
            
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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": "2026-03-13T11:04:56.157670",
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  "metadata_created": "2026-03-13T11:04:56.157670",
            
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  "metadata_modified": "2026-03-13T11:04:56.157677",
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  "metadata_modified": "2026-03-13T11:07:52.199366",
            
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  "minimum_maximum_extent": [
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  "minimum_maximum_extent": [
            
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    {
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    {
            
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      "maximum_vertical_extent": "5199",
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      "maximum_vertical_extent": "5199",
            
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      "minimum_vertical_extent": "800"
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      "minimum_vertical_extent": "800"
            
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    }
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    }
            
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  ],
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  ],
            
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  "name": 
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  "name": 
            
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t-and-resource-management-in-the-upper-ewaso-ngiro-basin-mount-kenya",
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t-and-resource-management-in-the-upper-ewaso-ngiro-basin-mount-kenya",
            
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  "notes": "Researchers estimated blue and green water availability 
86
  "notes": "Researchers estimated blue and green water availability 
            
84
and consumption for various land uses in the Upper Ewaso Ng'iro Basin 
87
and consumption for various land uses in the Upper Ewaso Ng'iro Basin 
            
85
using water footprint accounting. The study used a pragmatic approach 
88
using water footprint accounting. The study used a pragmatic approach 
            
86
with simple assumptions and available hydrometeorological data to 
89
with simple assumptions and available hydrometeorological data to 
            
87
address water scarcity challenges. It was determined that small-scale 
90
address water scarcity challenges. It was determined that small-scale 
            
88
irrigation consumed the largest portion of blue water, while 
91
irrigation consumed the largest portion of blue water, while 
            
89
greenhouse flower production accounted for a relatively small 
92
greenhouse flower production accounted for a relatively small 
            
90
percentage. Evaporative losses from irrigation dams were found to be 
93
percentage. Evaporative losses from irrigation dams were found to be 
            
91
comparable to greenhouse water consumption. The study also evaluated 
94
comparable to greenhouse water consumption. The study also evaluated 
            
92
water productivity and labor opportunities for roses versus maize.",
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water productivity and labor opportunities for roses versus maize.",
            
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  "num_resources": 0,
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  "num_resources": 0,
            
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  "num_tags": 0,
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  "num_tags": 0,
            
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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": "2026-02-19T10:16:04.079269",
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    "created": "2026-02-19T10:16:04.079269",
            
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    "description": "The University of Pretoria (UP) is one of 
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    "description": "The University of Pretoria (UP) is one of 
            
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Africa\u2019s top universities and the largest contact university in 
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Africa\u2019s top universities and the largest contact university in 
            
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South Africa. We produce socially impactful research to find solutions 
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South Africa. We produce socially impactful research to find solutions 
            
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for the world\u2019s most pressing issues. We have a high quality of 
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for the world\u2019s most pressing issues. We have a high quality of 
            
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teaching and learning in the classroom, online, or in communities. We 
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teaching and learning in the classroom, online, or in communities. We 
            
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have support in place for our students to graduate on time as 
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have support in place for our students to graduate on time as 
            
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well-rounded, responsible citizens fully prepared for the world beyond 
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well-rounded, responsible citizens fully prepared for the world beyond 
            
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university.",
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university.",
            
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    "id": "149918e1-73c3-463f-a6fe-401915e67e0f",
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    "id": "149918e1-73c3-463f-a6fe-401915e67e0f",
            
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    "image_url": "2026-02-19-101604.068497UPlogo.jpg",
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    "image_url": "2026-02-19-101604.068497UPlogo.jpg",
            
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    "is_organization": true,
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    "is_organization": true,
            
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    "name": "university-of-pretoria",
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    "name": "university-of-pretoria",
            
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    "state": "active",
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    "state": "active",
            
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    "title": "University of Pretoria",
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    "title": "University of Pretoria",
            
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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": "149918e1-73c3-463f-a6fe-401915e67e0f",
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  "owner_org": "149918e1-73c3-463f-a6fe-401915e67e0f",
            
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  "private": false,
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  "private": false,
            
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  "publication_date": "2021-07-01",
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  "publication_date": "2021-07-01",
            
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  "publisher": "Water Research Commission",
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  "publisher": "Water Research Commission",
            
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  "relationships_as_object": [],
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  "relationships_as_object": [],
            
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  "relationships_as_subject": [],
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  "relationships_as_subject": [],
            
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  "resources": [],
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  "resources": [],
            
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  "spatial": "{\"type\": \"Polygon\", \"coordinates\": [[[-0.5, 
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  "spatial": "{\"type\": \"Polygon\", \"coordinates\": [[[16.4699, 
            
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36.3333], [1.0, 36.3333], [1.0, 38.0], [-0.5, 38.0], [-0.5, 
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-22.1265], [32.8931, -22.1265], [32.8931, -34.8212], [16.4699, 
            
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36.3333]]]}",
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-34.8212], [16.4699, -22.1265]]]}",
            
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  "state": "active",
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  "state": "active",
            
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  "tags": [],
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  "tags": [],
            
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  "title": "Water Footprint and Resource Management in the Upper Ewaso 
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  "title": "Water Footprint and Resource Management in the Upper Ewaso 
            
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Ng'iro Basin, Mount Kenya",
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Ng'iro Basin, Mount Kenya",
            
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  "type": "dataset",
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  "type": "dataset",
            
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  "uploader_estimation_of_extent_of_processing": "refined",
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  "uploader_estimation_of_extent_of_processing": "refined",
            
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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": "to-be-confirmed",
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  "wrc_project_number": "to-be-confirmed",
            
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  "wro_theme": "Water scarcity"
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  "wro_theme": "agriculture"
            
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}
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}