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The Relationship between Perceptions and Objective Measures of Greenness.
Hart, Joy L; Yeager, Ray A; Riggs, Daniel W; Fleischer, Daniel; Owolabi, Ugochukwu; Walker, Kandi L; Bhatnagar, Aruni; Keith, Rachel J.
Afiliación
  • Hart JL; Department of Communication, College of Arts and Sciences, University of Louisville, Louisville, KY 40292, USA.
  • Yeager RA; Christina Lee Brown Envirome Institute, University of Louisville, Louisville, KY 40202, USA.
  • Riggs DW; Christina Lee Brown Envirome Institute, University of Louisville, Louisville, KY 40202, USA.
  • Fleischer D; Division of Environmental Medicine, School of Medicine, University of Louisville, Louisville, KY 40202, USA.
  • Owolabi U; Christina Lee Brown Envirome Institute, University of Louisville, Louisville, KY 40202, USA.
  • Walker KL; Hyphae Design Laboratory, Oakland, CA 94607, USA.
  • Bhatnagar A; Christina Lee Brown Envirome Institute, University of Louisville, Louisville, KY 40202, USA.
  • Keith RJ; Department of Communication, College of Arts and Sciences, University of Louisville, Louisville, KY 40292, USA.
Int J Environ Res Public Health ; 19(23)2022 Dec 06.
Article en En | MEDLINE | ID: mdl-36498387
Exposure to greenness has been studied through objective measures of remote visualization of greenspace; however, the link to how individuals interpret spaces as green is missing. We examined the associations between three objective greenspace measures with perceptions of greenness. We used a subsample (n = 175; 2018-2019) from an environmental cardiovascular risk cohort to investigate perceptions of residential greenness. Participants completed a 17-item survey electronically. Objective measurements of greenness within 300 m buffer around participants home included normalized difference vegetation index (NDVI), tree canopy and leaf area index. Principal component analysis reduced the perceived greenspaces to three dimensions reflecting natural vegetation, tree cover and built greenspace such as parks. Our results suggest significant positive associations between NDVI, tree canopy and leaf area and perceived greenness reflecting playgrounds; also, associations between tree canopy and perceived greenness reflecting tree cover. These findings indicate that the most used objective greenness measure, NDVI, as well as tree canopy and leaf area may most align with perceptions of parks, whereas tree canopy alone captures individuals' perceptions of tree cover. This highlights the need for research to understand the complexity of green metrics and careful interpretation of data based on the use of subjective or objective measures of greenness.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Árboles / Parques Recreativos Límite: Humans Idioma: En Revista: Int J Environ Res Public Health Año: 2022 Tipo del documento: Article País de afiliación: Estados Unidos Pais de publicación: Suiza
Texto completo
Añadir a Mi BVS
Imprimir
XML
PubMed Links
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Árboles / Parques Recreativos Límite: Humans Idioma: En Revista: Int J Environ Res Public Health Año: 2022 Tipo del documento: Article País de afiliación: Estados Unidos Pais de publicación: Suiza