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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 
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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 
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against field-measured data to improve credibility and support 
            
79
refinement of crop coefficients and growth stage parameters. It 
77
refinement of crop coefficients and growth stage parameters. It 
            
80
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_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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  "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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  "resources": [],
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  "resources": [],
            
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  "spatial": "{\"type\": \"Polygon\", \"coordinates\": [[[13.165308, 
            
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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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}