Abstract

Access to air conditioned space is critical for protecting urban populations from the adverse effects of heat exposure. Yet there remains fairly limited knowledge of the penetration of private (home air conditioning) and distribution of public (cooling centers and commercial space) cooled space across cities. Furthermore, the deployment of government-sponsored cooling centers is likely to be inadequately informed with respect to the location of existing cooling resources (residential air conditioning and air conditioned public space), raising questions of the equitability of access to heat refuges. We explore the distribution of private and public cooling resources and access inequities at the household level in two major US urban areas: Los Angeles County, California and Maricopa County, Arizona (whose county seat is Phoenix). We evaluate the presence of in-home air conditioning and develop a walking-based accessibility measure to air conditioned public space using a combined cumulative opportunities-gravity approach. We find significant variations in the distribution of residential air conditioning across both regions which are largely attributable to building age and inter/intra-regional climate differences. There are also regional disparities in walkable access to public cooled space. At average walking speeds, we find that official cooling centers are only accessible to a small fraction of households (3% in Los Angeles, 2% in Maricopa) while a significantly higher number of households (80% in Los Angeles, 39% in Maricopa) have access to at least one other type of public cooling resource such as a library or commercial establishment. Aggregated to a neighborhood level, we find that there are areas within each region where access to cooled space (either public or private) is limited which may increase heat-related health risks.

Original languageEnglish (US)
Pages (from-to)1036-1055
Number of pages20
JournalEnvironment and Planning B: Urban Analytics and City Science
Volume44
Issue number6
DOIs
StatePublished - Nov 1 2017

Fingerprint

air conditioning
public space
conditioning
Air conditioning
accessibility
refuge
heat
air
Cooling
cooling
walking
resource
Air
resources
private home
Health risks
urban population
Seats
regional climate
health risk

Keywords

  • Accessibility
  • climate change
  • extreme heat
  • walkability

ASJC Scopus subject areas

  • Geography, Planning and Development
  • Architecture
  • Environmental Science(all)
  • Urban Studies
  • Nature and Landscape Conservation
  • Management, Monitoring, Policy and Law

Cite this

Household accessibility to heat refuges : Residential air conditioning, public cooled space, and walkability. / Fraser, Andrew; Chester, Mikhail; Eisenman, David; Hondula, David; Pincetl, Stephanie S.; English, Paul; Bondank, Emily.

In: Environment and Planning B: Urban Analytics and City Science, Vol. 44, No. 6, 01.11.2017, p. 1036-1055.

Research output: Contribution to journalArticle

Fraser, Andrew ; Chester, Mikhail ; Eisenman, David ; Hondula, David ; Pincetl, Stephanie S. ; English, Paul ; Bondank, Emily. / Household accessibility to heat refuges : Residential air conditioning, public cooled space, and walkability. In: Environment and Planning B: Urban Analytics and City Science. 2017 ; Vol. 44, No. 6. pp. 1036-1055.
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