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  "agreement": "true",
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  "agreement": "true",
            
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  "alternative_identifier": "ISBN 978-1-4312-0100-6",
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  "alternative_identifier": "ISBN 978-1-4312-0100-6",
            
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  "author": null,
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  "author": null,
            
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  "author_email": 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": "Admin",
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      "author_department": "Admin",
            
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      "author_email": "psvh@mweb.co.za",
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      "author_email": "psvh@mweb.co.za",
            
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      "author_name": "Pieter ",
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      "author_name": "Pieter ",
            
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      "author_organization": "University of the Free State",
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      "author_organization": "University of the Free State",
            
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      "author_surname": "van Heerden",
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      "author_surname": "van Heerden",
            
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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": "Van Heerden, P.S. & Crosby, C.T. (2011). 
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  "citation_title": "Van Heerden, P.S. & Crosby, C.T. (2011). 
            
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Technology Transfer of SAPWAT3, Verifying Correctness of Program 
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Technology Transfer of SAPWAT3, Verifying Correctness of Program 
            
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Output and Evaluation of its Adoption Potential. Report to the Water 
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Output and Evaluation of its Adoption Potential. Report to the Water 
            
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Research Commission. WRC Report No. KV 271/11. ISBN 978-1-4312-0100-6. 
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Research Commission. WRC Report No. KV 271/11. ISBN 978-1-4312-0100-6. 
            
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Pretoria, South Africa.",
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Pretoria, South Africa.",
            
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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": "School of Bioresources Engineering and 
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      "contact_department": "Admin",
            
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Environmental Hydrology (formerly Department of Agricultural 

            
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Engineering)",

            
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      "contact_email": "psvh@mweb.co.za",
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      "contact_email": "psvh@mweb.co.za",
            
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      "contact_name": "Pieter ",
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      "contact_name": "Pieter ",
            
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      "contact_orgnization": "University of the Free State"
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      "contact_orgnization": "University of the Free State"
            
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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": "Water Research Observatory",
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  "data_collection_organization": "Water Research Observatory",
            
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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": "1950-01-01",
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      "data_reference_date_from": "1950-01-01",
            
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      "data_reference_date_to": "2025-12-31"
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      "data_reference_date_to": "2025-12-31"
            
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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": "bbc95095-d6e5-4c38-87d8-7fc0a4a6c66b",
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  "id": "bbc95095-d6e5-4c38-87d8-7fc0a4a6c66b",
            
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  "isopen": false,
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  "isopen": false,
            
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  "keywords": "SAPWAT3, irrigation planning, crop water requirements, 
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  "keywords": "SAPWAT3, irrigation planning, crop water requirements, 
            
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evapotranspiration, Penman\u2013Monteith, crop coefficients, 
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evapotranspiration, Penman\u2013Monteith, crop coefficients, 
            
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irrigation scheduling, technology transfer, adoption potential, 
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irrigation scheduling, technology transfer, adoption potential, 
            
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Technology Acceptance Model (TAM), diffusion of innovations",
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Technology Acceptance Model (TAM), diffusion of innovations",
            
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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": "2025-10-22T11:55:32.040408",
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  "metadata_created": "2025-10-22T11:55:32.040408",
            
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  "metadata_modified": "2026-02-19T09:02:06.395185",
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  "metadata_modified": "2026-02-19T09:07:55.090312",
            
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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": "3451",
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      "maximum_vertical_extent": "3451",
            
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      "minimum_vertical_extent": "0"
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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": "sapwat3",
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  "name": "sapwat3",
            
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  "notes": "This publication reports on a WRC project focused on 
65
  "notes": "This publication reports on a WRC project focused on 
            
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technology transfer and evaluation of SAPWAT3, an irrigation water 
66
technology transfer and evaluation of SAPWAT3, an irrigation water 
            
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requirement estimation and planning tool. It aims to (i) verify 
67
requirement estimation and planning tool. It aims to (i) verify 
            
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SAPWAT3 program outputs, (ii) demonstrate SAPWAT3 to potential users, 
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SAPWAT3 program outputs, (ii) demonstrate SAPWAT3 to potential users, 
            
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and (iii) evaluate adoption potential using innovation adoption theory 
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and (iii) evaluate adoption potential using innovation adoption theory 
            
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(Rogers) and the Technology Acceptance Model (TAM). It describes the 
70
(Rogers) and the Technology Acceptance Model (TAM). It describes the 
            
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background and rationale for disseminating SAPWAT3 widely, given its 
71
background and rationale for disseminating SAPWAT3 widely, given its 
            
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development over many years of WRC-funded research and its use in 
72
development over many years of WRC-funded research and its use in 
            
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irrigation planning and licensing contexts. The report also documents 
73
irrigation planning and licensing contexts. The report also documents 
            
76
enhancements such as a module to import crop data \u201cen masse\u201d 
74
enhancements such as a module to import crop data \u201cen masse\u201d 
            
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and a module to compare SAPWAT3 estimated daily evapotranspiration 
75
and a module to compare SAPWAT3 estimated daily evapotranspiration 
            
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against field-measured data to improve credibility and support 
76
against field-measured data to improve credibility and support 
            
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refinement of crop coefficients and growth stage parameters. It 
77
refinement of crop coefficients and growth stage parameters. It 
            
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includes methodology, example outputs (graphs/correlations), and 
78
includes methodology, example outputs (graphs/correlations), and 
            
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survey results on user acceptance, usefulness, ease of use, barriers, 
79
survey results on user acceptance, usefulness, ease of use, barriers, 
            
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and preferred support mechanisms.",
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and preferred support mechanisms.",
            
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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": "2025-10-13T09:33:45.492986",
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    "created": "2026-02-19T09:07:16.459554",
            
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    "description": "",
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    "description": "The University of the Free State (UFS) creates 
            
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    "id": "5bb446d5-d272-4b69-9a6d-79733926291a",
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opportunities and growth through leading learning and teaching, 
            
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    "image_url": "2025-11-17-153438.690384CWR-square.JPG",
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focused research, and impactful engagement with society. Situated in 
            
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the heart of South Africa, our character of caring and diversity 
            
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translates into an outstanding university experience.",
            
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    "id": "3bffff9c-62e4-458d-a28f-e7f9631a01a4",
            
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    "image_url": "2026-02-19-090716.413954UFS-logo.jpg",
            
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    "is_organization": true,
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    "is_organization": true,
            
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    "name": "wro",
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    "name": "university-of-the-free-state",
            
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    "state": "active",
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    "state": "active",
            
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    "title": "Water Research Observatory",
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    "title": "University of the Free State",
            
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    "type": "organization"
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    "type": "organization"
            
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  },
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  },
            
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  "private": false,
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  "private": false,
            
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  "publication_date": "2011-04-01",
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  "publication_date": "2011-04-01",
            
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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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  "resources": [],
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  "resources": [],
            
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  "spatial": "{\"type\": \"Polygon\", \"coordinates\": [[[13.165308, 
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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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-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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  "state": "active",
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  "state": "active",
            
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  "tags": [],
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  "tags": [],
            
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  "title": "SAPWAT3",
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  "title": "SAPWAT3",
            
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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": "WRC Project No. K8/879//4",
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  "wrc_project_number": "WRC Project No. K8/879//4",
            
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  "wro_theme": "agriculture"
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  "wro_theme": "agriculture"
            
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}
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}