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Pedestrian Heat Exposure Assessment Using the Wbgt Exceedance Integral

Year: 2026

Type: article

Abstract: Urban thermal environments vary in space and time, and pedestrian heat exposure depends on the overlap between thermal conditions and walking behavior. We propose an exposure assessment approach based on the integrated exceedance of Wet Bulb Globe Temperature (WBGT) above a threshold at the urban block scale. WBGT fields from CFD are combined with pedestrian mobility data in Nishi-Shinjuku, Tokyo. Results show how exposure accumulation varies with time, space, and behavior. The indicator does not assess individual health risks, but provides a descriptive framework for characterizing exposure.

Source: Journal of Environmental Engineering (Transactions of AIJ)

DOI: 10.3130/aije.91.335

Authors: Kazumi NISHIMURA, Ikusei MISAKA

Institutions: National Institute of Advanced Industrial Science and Technology, Musashino University

Language: English

Topic: Urban Heat Island Mitigation

Subfield: Environmental Engineering

Field: Environmental Science

Domain: Physical Sciences

SDGs: Sustainable cities and communities, Good health and well-being

Open Access status: bronze

OpenAlex ID: W7162954977

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