Cited by 331Climate variability and modelsClimate Change Policy and EconomicsClimate Change Communication and Perception

Storyline approach to the construction of regional climate change information

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Shepherd, Theodore G.·2019·Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences

Abstract

Climate science seeks to make statements of confidence about what has happened, and what will happen (conditional on scenario). The approach is effective for the global, thermodynamic aspects of climate change, but is ineffective when it comes to aspects of climate change related to atmospheric circulation, which are highly uncertain. Yet, atmospheric circulation strongly mediates climate impacts at the regional scale. In this way, the confidence framework, which focuses on avoiding type 1 errors (false alarms), raises the prospect of committing type 2 errors (missed warnings). This has ethical implications. At the regional scale, however, where information on climate change has to be combined with many other factors affecting vulnerability and exposure—most of which are highly uncertain—the societally relevant question is not ‘What will happen?’ but rather ‘What is the impact of particular actions under an uncertain regional climate change?’ This reframing of the question can cut the Gordian knot of regional climate change information, provided one distinguishes between epistemic and aleatoric uncertainties—something that is generally not done in climate projections. It is argued that the storyline approach to climate change—the identification of physically self-consistent, plausible pathways—has the potential to accomplish precisely this.

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  • Identifying a robust climate change driver in systems subject to other anthropogenic interference requires careful assessment of other socio-economic factors.

    “In the case of systems subject to other anthropogenic interference such as the global biosphere, managed systems such as agriculture, or human systems themselves, identifying a robust climate change driver requires careful assessment of other socio-economic factors 41,42 , adding additional levels of complexity 43 .”

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  1. [2]IPCC. 2014 Climate change 2013: the physical science basis. In Contribution of Working Group I to the Fifth Assessment Report of the Intergovernmental Panel on Climate Change (eds Stocker TF et al.). Cambridge, UK: Cambridge University Press.
  2. [17]IPCC. 2014 Climate change 2014: impacts, adaptation, and vulnerability. In Contribution of Working Group II to the Fifth Assessment Report of the Intergovernmental Panel on Climate Change (eds Field CB et al.). Cambridge, UK: Cambridge University Press.
  3. [48]Pearl J 2009 Causality, 2nd edn Cambridge, UK: Cambridge University Press.

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Authors
Shepherd, T. G.
Affiliations
University of Reading (GB)
Corresponding author
Shepherd, Theodore G.
Venue
Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences
Published
2019-05
Volume
475
Issue
2225
Pages
20190013
ISSN
  • 1364-5021 (ISSN-L)
  • 1471-2946
OpenAlex
W2945570949
Cited by
331
References
68
Citations by year
2026: 29 · 2025: 30 · 2024: 59 · 2023: 58 · 2022: 68 · 2021: 62 · 2020: 23 · 2019: 2
FWCI
20.07
Type
journal article
Language
en
Open access
Locations
  • Proceedings of the Royal Society A Mathematical Physical and Engineering Sciences (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • CentAUR (University of Reading) (submittedVersion)
Funders
H2020 European Research Council (ACRCC, 339390)
Topics
  • Physical Sciences › Environmental Science › Global and Planetary Change › Climate variability and models
  • Social Sciences › Economics, Econometrics and Finance › Economics and Econometrics › Climate Change Policy and Economics
  • Social Sciences › Sociology and Political Science › Climate Change Communication and Perception
Keywords
storyline approach, climate change projections, epistemic uncertainty, aleatoric uncertainty, type II error, climate impact assessment, climate ethics, confidence statements

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