Climatic Change

, Volume 124, Issue 1, pp 105–117

Probabilistic spatial risk assessment of heat impacts and adaptations for London

Authors

    • Environmental Change Institute (ECI)University of Oxford
    • Environmental Change Institute (ECI), School of Geography and the Environment and Tyndall Centre for Climate Change ResearchUniversity of Oxford
  • Jim Hall
    • Environmental Change Institute (ECI)University of Oxford
  • Vassilis Glenis
    • School of Civil Engineering and GeosciencesNewcastle University
  • Chris Kilsby
    • School of Civil Engineering and GeosciencesNewcastle University
  • Mark McCarthy
    • Met Office, Hadley Centre
  • Clare Goodess
    • Climatic Research Unit, School of Environmental SciencesUniversity of East Anglia
  • Duncan Smith
    • LSE Cities, London School of Economics and Political Science
  • Nick Malleson
    • School of GeographyUniversity of Leeds
  • Mark Birkin
    • School of GeographyUniversity of Leeds
Article

DOI: 10.1007/s10584-014-1105-4

Cite this article as:
Jenkins, K., Hall, J., Glenis, V. et al. Climatic Change (2014) 124: 105. doi:10.1007/s10584-014-1105-4

Abstract

High temperatures and heatwaves can cause large societal impacts by increasing health risks, mortality rates, and personal discomfort. These impacts are exacerbated in cities because of the Urban Heat Island (UHI) effect, and the high and increasing concentrations of people, assets and economic activities. Risks from high temperatures are now widely recognised but motivation and implementation of proportionate policy responses is inhibited by inadequate quantification of the benefits of adaptation options, and associated uncertainties. This study utilises high spatial resolution probabilistic projections of urban temperatures along with projections of demographic change, to provide a probabilistic risk assessment of heat impacts on urban society. The study focuses on Greater London and the surrounding region, assessing mortality risk, thermal discomfort in residential buildings, and adaptation options within an integrated framework. Climate change is projected to increase future heat-related mortality and residential discomfort. However, adjusting the temperature response function by 1–2 °C, to simulate adaptation and acclimatisation, reduced annual heat related mortality by 32–69 % across the scenarios tested, relative to a no adaptation scenario. Similar benefits of adaptation were seen for residential discomfort. The study also highlights additional benefits in terms of reduced mortality and residential discomfort that mitigating the urban heat island, by reducing albedo and anthropogenic heat emissions, could have.

Supplementary material

10584_2014_1105_MOESM1_ESM.docx (20 kb)
ESM 1(DOCX 19 kb)

Copyright information

© Springer Science+Business Media Dordrecht 2014