Constructing a map of physiological equivalent temperature by spatial analysis techniques

Poh Chin LAI, Pui Yun, Paulina WONG, Wei CHENG, Thuan Quoc THACH, Crystal CHOI, Man Sing WONG, Alexander KRÄMER, Chit Ming WONG

Research output: Book Chapters | Papers in Conference ProceedingsBook ChapterResearchpeer-review

Abstract

Physiological equivalent temperature (PET) is a measure of thermal comfort estimated by considering the integral effects of meteorological parameters and other personal conditions related to heat exchange between the human body and its environment. Warmer average global temperatures as a result of climate change are expected to augment the risks of heat stress and heat-related illnesses. Our ability to quantify geographic variation in heat vulnerability can better assess the relationships between human heat-balance and health outcomes. This article describes a method to construct a PET map by spatial analysis techniques. The method involves an application of the RayMan model based on four widely available meteorological parameters (i.e., temperature, relative humidity, wind velocity, and mean radiant temperature). This approach makes possible the creation of baseline maps to enable paired longitudinal comparisons of health outcomes between spatial thermal groups, even when other suitable data such as land uses or topography were missing or not collected in the past. The resultant PET map comprising of 100 × 100 m 2 units offers a means to examine thermal stress level at sufficient spatial resolution without compromising personal data privacy.
Original languageEnglish
Title of host publicationComprehensive Geographic Information Systems
PublisherElsevier
Pages389-401
Number of pages13
DOIs
Publication statusPublished - 1 Jan 2018
Externally publishedYes

Fingerprint

spatial analysis
temperature
heat balance
geographical variation
relative humidity
vulnerability
spatial resolution
wind velocity
topography
land use
climate change

Keywords

  • Meteorological parameters
  • Physiological equivalent temperature (PET)
  • Raster map/image; RayMan model
  • Spatial analysis
  • Thermal comfort
  • Urban climatic map
  • Weather variables

Cite this

LAI, P. C., WONG, P. Y. P., CHENG, W., THACH, T. Q., CHOI, C., WONG, M. S., ... WONG, C. M. (2018). Constructing a map of physiological equivalent temperature by spatial analysis techniques. In Comprehensive Geographic Information Systems (pp. 389-401). Elsevier. https://doi.org/10.1016/B978-0-12-409548-9.09660-3
LAI, Poh Chin ; WONG, Pui Yun, Paulina ; CHENG, Wei ; THACH, Thuan Quoc ; CHOI, Crystal ; WONG, Man Sing ; KRÄMER, Alexander ; WONG, Chit Ming. / Constructing a map of physiological equivalent temperature by spatial analysis techniques. Comprehensive Geographic Information Systems. Elsevier, 2018. pp. 389-401
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LAI, PC, WONG, PYP, CHENG, W, THACH, TQ, CHOI, C, WONG, MS, KRÄMER, A & WONG, CM 2018, Constructing a map of physiological equivalent temperature by spatial analysis techniques. in Comprehensive Geographic Information Systems. Elsevier, pp. 389-401. https://doi.org/10.1016/B978-0-12-409548-9.09660-3

Constructing a map of physiological equivalent temperature by spatial analysis techniques. / LAI, Poh Chin; WONG, Pui Yun, Paulina; CHENG, Wei; THACH, Thuan Quoc; CHOI, Crystal; WONG, Man Sing; KRÄMER, Alexander; WONG, Chit Ming.

Comprehensive Geographic Information Systems. Elsevier, 2018. p. 389-401.

Research output: Book Chapters | Papers in Conference ProceedingsBook ChapterResearchpeer-review

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AU - WONG, Man Sing

AU - KRÄMER, Alexander

AU - WONG, Chit Ming

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AB - Physiological equivalent temperature (PET) is a measure of thermal comfort estimated by considering the integral effects of meteorological parameters and other personal conditions related to heat exchange between the human body and its environment. Warmer average global temperatures as a result of climate change are expected to augment the risks of heat stress and heat-related illnesses. Our ability to quantify geographic variation in heat vulnerability can better assess the relationships between human heat-balance and health outcomes. This article describes a method to construct a PET map by spatial analysis techniques. The method involves an application of the RayMan model based on four widely available meteorological parameters (i.e., temperature, relative humidity, wind velocity, and mean radiant temperature). This approach makes possible the creation of baseline maps to enable paired longitudinal comparisons of health outcomes between spatial thermal groups, even when other suitable data such as land uses or topography were missing or not collected in the past. The resultant PET map comprising of 100 × 100 m 2 units offers a means to examine thermal stress level at sufficient spatial resolution without compromising personal data privacy.

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LAI PC, WONG PYP, CHENG W, THACH TQ, CHOI C, WONG MS et al. Constructing a map of physiological equivalent temperature by spatial analysis techniques. In Comprehensive Geographic Information Systems. Elsevier. 2018. p. 389-401 https://doi.org/10.1016/B978-0-12-409548-9.09660-3