4.5 Article

A temperature binning approach for multi-sector climate impact analysis

Journal

CLIMATIC CHANGE
Volume 165, Issue 1-2, Pages -

Publisher

SPRINGER
DOI: 10.1007/s10584-021-03048-6

Keywords

Climate; Impacts; Adaptation; Projections; Temperature; Damages

Funding

  1. EPA [EP-D-14-032]

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This study aims to characterize future risks of climate change using temperature binning to analyze sector-specific impacts based on downscaled climate projections from six global models. Results show estimated damages for nine climate impact sectors within the contiguous United States at different levels of warming, and demonstrate potential for adaptive measures to decrease damages, with significant differences in damages across adaptation response scenarios within some sectors.
Characterizing the future risks of climate change is a key goal of climate impacts analysis. Temperature binning provides a framework for analyzing sector-specific impacts by degree of warming as an alternative or complement to traditional scenario-based approaches in order to improve communication of results, comparability between studies, and flexibility to facilitate scenario analysis. In this study, we estimate damages for nine climate impact sectors within the contiguous United States (US) using downscaled climate projections from six global climate models, at integer degrees of US national warming. Each sector is analyzed based on socioeconomic conditions for both the beginning and the end of the century. The potential for adaptive measures to decrease damages is also demonstrated for select sectors; differences in damages across adaptation response scenarios within some sectors can be as much as an order of magnitude. Estimated national damages from these sectors based on a reactive adaptation assumption and 2010 socioeconomic conditions range from $600 million annually per degree of national warming for winter recreation to $8 billion annually per degree of national warming for labor impacts. Results are also estimated per degree of global temperature change and for 2090 socioeconomic conditions.

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