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WIREs Clim Change
Impact Factor: 7.057

Climate vulnerability mapping: A systematic review and future prospects

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Abstract Maps synthesizing climate, biophysical and socioeconomic data have become part of the standard tool‐kit for communicating the risks of climate change to society. Vulnerability maps are used to direct attention to geographic areas where impacts on society are expected to be greatest and that may therefore require adaptation interventions. Under the Green Climate Fund and other bilateral climate adaptation funding mechanisms, donors are investing billions of dollars of adaptation funds, often with guidance from modeling results, visualized and communicated through maps and spatial decision support tools. This paper presents the results of a systematic review of 84 studies that map social vulnerability to climate impacts. These assessments are compiled by interdisciplinary teams of researchers, span many regions, range in scale from local to global, and vary in terms of frameworks, data, methods, and thematic foci. The goal is to identify common approaches to mapping, evaluate their strengths and limitations, and offer recommendations and future directions for the field. The systematic review finds some convergence around common frameworks developed by the Intergovernmental Panel on Climate Change, frequent use of linear index aggregation, and common approaches to the selection and use of climate and socioeconomic data. Further, it identifies limitations such as a lack of future climate and socioeconomic projections in many studies, insufficient characterization of uncertainty, challenges in map validation, and insufficient engagement with policy audiences for those studies that purport to be policy relevant. Finally, it provides recommendations for addressing the identified shortcomings. This article is categorized under: Vulnerability and Adaptation to Climate Change > Values‐Based Approach to Vulnerability and Adaptation
Studies by continent, level of analysis, and discipline
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Studies selection criteria for the vulnerability mapping systematic review
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Examples of vulnerability maps at different scales and for different purposes
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Example of a sequential color scheme combined with one way of representing uncertainty from Reprinted with permission from Retchless and Brewer (). Copyright 2016 Wiley
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Diagram from Kienberger et al., illustrating the elements contributing to an agricultural vulnerability index, including weighting of the variables and components
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Types of color schemes (adapted from ColorBrewer)
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Summary of the studies, clockwise from upper left, in terms of (a) timeframes of analysis (%), (b) temporal nature of the climate parameters considered (%), (c) spatial data layers or parameters considered (no.), and (d) climate‐related phenomena or parameters considered (no.)
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Summary of the studies in terms of (a) method of spatial analysis, (b) valued attribute, and (c) aggregation method
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Vulnerability and Adaptation to Climate Change > Values-Based Approach to Vulnerability and Adaptation

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