| Thermal comfort modelling of body temperature and psychological variations of a human exercising in an outdoor environment. | |
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MedLine Citation:
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PMID: 21188424 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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Human thermal comfort assessments pertaining to exercise while in outdoor environments can improve urban and recreational planning. The current study applied a simple four-segment skin temperature approach to the COMFA (COMfort FormulA) outdoor energy balance model. Comparative results of measured mean skin temperature ([Formula: see text]) with predicted [Formula: see text] indicate that the model accurately predicted [Formula: see text], showing significantly strong agreement (r = 0.859, P < 0.01) during outdoor exercise (cycling and running). The combined 5-min mean variation of the [Formula: see text] RMSE was 1.5°C, with separate cycling and running giving RMSE of 1.4°C and 1.6°C, respectively, and no significant difference in residuals. Subjects' actual thermal sensation (ATS) votes displayed significant strong rank correlation with budget scores calculated using both measured and predicted [Formula: see text] (r ( s ) = 0.507 and 0.517, respectively, P < 0.01). These results show improved predictive strength of ATS of subjects as compared to the original and updated COMFA models. This psychological improvement, plus [Formula: see text] and T (c) validations, enables better application to a variety of outdoor spaces. This model can be used in future research studying linkages between thermal discomfort, subsequent decreases in physical activity, and negative health trends. |
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Authors:
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Jennifer K Vanos; Jon S Warland; Terry J Gillespie; Natasha A Kenny |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2010-12-25 |
Journal Detail:
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Title: International journal of biometeorology Volume: - ISSN: 1432-1254 ISO Abbreviation: - Publication Date: 2010 Dec |
Date Detail:
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Created Date: 2010-12-28 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 0374716 Medline TA: Int J Biometeorol Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Affiliation:
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School of Environmental Sciences, University of Guelph, 50 Stone Road East, Guelph, ON, N1G 2W1, Canada, vanosj@uoguelph.ca. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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