Journal
CLIMATIC CHANGE
Volume 102, Issue 3-4, Pages 539-553Publisher
SPRINGER
DOI: 10.1007/s10584-009-9774-0
Keywords
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Funding
- Joint DECC, Defra and MoD Integrated Climate Programme-DECC/Defra [GA01101]
- MoD [CBC/2B/0417_Annex C5]
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Cold related mortality among people aged over 50 in England and Wales has decreased at a rate of 85 deaths per million population per year over the period 1976-2005. This trend is two orders of magnitude higher than the increase in heat-related mortality observed after 1976. Long term changes in temperature-related mortality may be linked to human activity, natural climatic forcings, or to adaptation of the population to a wider range of temperatures. Here we employ optimal detection, a formal statistical methodology, to carry out an end to end attribution analysis. We find that adaptation is a major influence on changing mortality rates. We also find that adaptation has prevented a significant increase in heat-related mortality and considerably enhanced a significant decrease in cold-related mortality. Our analysis suggests that in the absence of adaptation, the human influence on climate would have been the main contributor to increases in heat-related mortality and decreases in cold-related mortality.
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