{"id":{"repo_id":"uiuc","oai_identifier":"oai:www.ideals.illinois.edu:2142/114097"},"canonical_url":"https://search.dev.ndltd.org/etd/uiuc/oai:www.ideals.illinois.edu:2142/114097","repository":{"repo_id":"uiuc","name":"University of Illinois - Urbana-Champaign","base_url":"https://www.ideals.illinois.edu/oai-pmh"},"display":{"title":"Development of safety and sustainability metrics for greenhouses and analysis of selected greenhouse sites in North America","abstract":"Submission published under a 24 month embargo labeled 'Closed Access', the embargo will last until 2023-12-01","abstract_html":"Submission published under a 24 month embargo labeled 'Closed Access', the embargo will last until 2023-12-01","abstract_has_math":false,"creators":["Thissen, Jaime"],"institution":"University of Illinois at Urbana-Champaign","degree_name":"Ph.D.","degree_level":"Dissertation","degree_discipline":"Agricultural & Biological Engr","degree_department":null,"school":null,"contributors":["Davidson, Paul C","Kalita, Prasanta","Ellison, Brenna","Aherin, Bob A"],"advisors":[],"committee_chairs":[],"committee_members":[],"year":2022,"date_issued":"2022-04-29T21:58:36Z","date_published":"2022-04-29T21:58:36Z","updated_at":"2026-07-22T22:24:54Z","subjects":["Engineering"],"languages":["en","eng"],"rights":["Copyright Jaime Thissen 2020"],"rights_urls":[],"identifier_entries":[]},"links":{"outbound_url":"http://hdl.handle.net/2142/114097","outbound_label":"Handle","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor","label":"Contributor","values":["Davidson, Paul C","Kalita, Prasanta","Ellison, Brenna","Aherin, Bob A"]},{"key":"dc:creator","label":"Author","values":["Thissen, Jaime"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date","label":"Dc Date","values":["2022-04-29T21:58:36Z","2024-04-29T21:58:46Z","2021-12","2021-12-03"]},{"key":"dc:type","label":"Dc Type","values":["text","Thesis"]},{"key":"thesis:degree_discipline","label":"Discipline","values":["Agricultural & Biological Engr"]},{"key":"thesis:degree_level","label":"Degree Level","values":["Dissertation"]},{"key":"thesis:degree_name","label":"Degree Name","values":["Ph.D."]},{"key":"thesis:institution_name","label":"Thesis Institution Name","values":["University of Illinois at Urbana-Champaign"]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["Engineering"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language","label":"Dc Language","values":["en","eng"]},{"key":"dc:rights","label":"Dc Rights","values":["Copyright Jaime Thissen 2020"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier","label":"Identifier","values":["http://hdl.handle.net/2142/114097"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description","label":"Description","values":["Submission published under a 24 month embargo labeled 'Closed Access', the embargo will last until 2023-12-01","The student, Jaime Thissen, accepted the attached license on 2021-12-02 at 14:10.","The student, Jaime Thissen, submitted this Dissertation for approval on 2021-12-02 at 14:20.","This Dissertation was approved for publication on 2021-12-03 at 16:46.","DSpace SAF Submission Ingestion Package generated from Vireo submission #17345 on 2022-04-29 at 16:10:22","Made available in DSpace on 2022-04-29T21:58:36Z (GMT). No. of bitstreams: 3 THISSEN-DISSERTATION-2021.pdf: 2227706 bytes, checksum: b4f6e181e312ba3a32d435588cc41be5 (MD5) Jaime Thissen Thesis PhD deposit corrections - PCD (1).docx: 1289242 bytes, checksum: da19f81d843a09a1709638a7bb4a1c0a (MD5) LICENSE.txt: 4210 bytes, checksum: 94c68d7f9304f70cd23beb00e1f32ccc (MD5) Previous issue date: 2021-12-03","Embargo set by: Seth Robbins for item 123462 Lift date: 2024-04-29T21:58:46Z Reason: Author requested closed access (OA after 2yrs) in Vireo ETD system","Author requested closed access (OA after 2yrs) in Vireo ETD system","Limited","Greenhouse crop production is increasing as consumer demand increases, specifically in areas where the natural climate is more hostile to the desired production. However, no assessment of the sustainability (namely safety dimensions) of existing facilities currently exists, and there is sufficient consumer demand for assessing this from seed to shelf. The purpose of this study is to assess the sustainability of current greenhouse systems in North America. Twenty-four greenhouse facilities in the private sector volunteered to provide data for the development of sustainability metrics. Additionally, facilities with either or both vegetable and ornamental production participated in this study. Each facility was assigned a region: Florida, Northeast, Midwest, Michigan and Southwest. Sustainability was assessed through the development of individual categorical sustainability equations. The final value was an “S-score” for each facility with a range of zero to ten, with zero as the worst or lowest value and ten as the best or highest value. Key parameters were organized according to five general categories based on economic, energy, environmental, social and safety aspects as well as applied techniques. Descriptive statistics were analyzed to determine parameter dominance and statistical significance while an exploratory factor analysis was used to determine relevancy of the parameters. The facilities ranged in size from a small, seasonal greenhouse to large facilities ranking in the top 100 in the U.S. in terms of size. The S- scores ranged from 4 – 8 with an overall average environmental score of 6.5. Larger facilities tended to have higher S-scores; regionally, the Southwest performed the best. These results are due to better overall management of the organization, which typically included more rigorous, organized operational training procedures. 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Descriptive statistics were analyzed to determine parameter dominance and statistical significance while an exploratory factor analysis was used to determine relevancy of the parameters. The facilities ranged in size from a small, seasonal greenhouse to large facilities ranking in the top 100 in the U.S. in terms of size. The S- scores ranged from 4 – 8 with an overall average environmental score of 6.5. Larger facilities tended to have higher S-scores; regionally, the Southwest performed the best. These results are due to better overall management of the organization, which typically included more rigorous, organized operational training procedures. 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