Cited by 461Climate variability and modelsMeteorological Phenomena and SimulationsClimate Change and Environmental Impact

Reconciling two approaches to attribution of the 2010 Russian heat wave

Otto, F. E. L., Massey, N., van Oldenborgh, G. J., Jones, R. G., Allen, M. R.·2012·Geophysical Research Letters

Abstract

In the summer 2010 Western Russia was hit by an extraordinary heat wave, with the region experiencing by far the warmest July since records began. Whether and to what extent this event is attributable to anthropogenic climate change is controversial. Dole et al. (2011) report the 2010 Russian heat wave was “mainly natural in origin” whereas Rahmstorf and Coumou (2011) write that with a probability of 80% “the 2010 July heat record would not have occurred” without the large‐scale climate warming since 1980, most of which has been attributed to the anthropogenic increase in greenhouse gas concentrations. The latter explicitly state that their results “contradict those of Dole et al. (2011).” Here we use the results from a large ensemble simulation experiment with an atmospheric general circulation model to show that there is no substantive contradiction between these two papers, in that the same event can be both mostly internally‐generated in terms of magnitude and mostly externally‐driven in terms of occurrence‐probability. The difference in conclusion between these two papers illustrates the importance of specifying precisely what question is being asked in addressing the issue of attribution of individual weather events to external drivers of climate.

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Crossref · 10.1029/2011gl050422

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  • Because of climate change, extreme weather is more generally on the rise, making extreme weather events more frequent, intense, and complex.

    “we do know that because of climate change, extreme weather is more generally on the rise, making extreme weather events more frequent, intense, and complex.”
  • It cannot be said with certainty that any one specific extreme weather event is directly caused by climate change.

    “while we cannot say with certainty that any one specific extreme weather event is directly caused by climate change”
  • There is an increasingly strong body of literature highlighting causal linkages between climate change and extreme weather events.

    “There is now an increasingly strong body of literature which highlights the causal linkages between climate change and extreme weather events (see [45–50]).”

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Authors
Otto, F. E. L., Massey, N., van Oldenborgh, G. J., Jones, R. G., & Allen, M. R.
Affiliations
  • University of Oxford (GB)
  • Met Office (GB)
Venue
Geophysical Research Letters
Published
2012-02
Volume
39
Issue
4
ISSN
  • 0094-8276 (ISSN-L)
  • 1944-8007
OpenAlex
W1497571021
Cited by
461
References
2
Citations by year
2026: 13 · 2025: 22 · 2024: 37 · 2023: 33 · 2022: 39 · 2021: 57 · 2020: 58 · 2019: 25 · 2018: 39 · 2017: 27 · 2016: 31 · 2015: 30 · 2014: 24 · 2013: 19 · 2012: 6
FWCI
21.01
Type
journal article
Language
en
Open access
closed
Locations
Geophysical Research Letters (publishedVersion)
Funders
Natural Environment Research Council (NE/H003525/1)
Topics
  • Physical Sciences › Environmental Science › Global and Planetary Change › Climate variability and models
  • Physical Sciences › Earth and Planetary Sciences › Atmospheric Science › Meteorological Phenomena and Simulations
  • Physical Sciences › Environmental Science › Global and Planetary Change › Climate Change and Environmental Impact
Keywords
anthropogenic climate change, natural climate variability, large ensemble simulations, atmospheric general circulation model, probability of occurrence, greenhouse gas forcing

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