Towards a comprehensive climate impacts assessment of solar geoengineering.

Irvine, Peter J., Kravitz, Ben, Lawrence, Mark G., Gerten, Dieter, Caminade, Cyril, Gosling, Simon N., Hendy, Erica, Kassie, Belay, Kissling, W. Daniel, Muri, Helene, Oschlies, Andreas and Smith, Steven J. (2017) Towards a comprehensive climate impacts assessment of solar geoengineering. Open Access Earth's Future, 5 (1). pp. 93-106. DOI 10.1002/2016EF000389.

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Abstract

Despite a growing literature on the climate response to solar geoengineering – proposals to cool the planet by increasing the planetary albedo – there has been little published on the impacts of solar geoengineering on natural and human systems such as agriculture, health, water resources, and ecosystems. An understanding of the impacts of different scenarios of solar geoengineering deployment will be crucial for informing decisions on whether and how to deploy it. Here we review the current state of knowledge about impacts of a solar geoengineered climate and identify major research gaps. We suggest that a thorough assessment of the climate impacts of a range of scenarios of solar geoengineering deployment is needed and can build upon existing frameworks. However, solar geoengineering poses a novel challenge for climate impacts research as the manner of deployment could be tailored to pursue different objectives making possible a wide range of climate outcomes. We present a number of ideas for approaches to extend the survey of climate impacts beyond standard scenarios of solar geoengineering deployment to address this challenge. Reducing the impacts of climate change is the fundamental motivator for emissions reductions and for considering whether and how to deploy solar geoengineering. This means that the active engagement of the climate impacts research community will be important for improving the overall understanding of the opportunities, challenges and risks presented by solar geoengineering.

Document Type: Article
Keywords: climate impacts;climate change; geoengineering; climate engineering; solar radiation management; ISI-MIP
Research affiliation: OceanRep > GEOMAR > FB2 Marine Biogeochemistry > FB2-BM Biogeochemical Modeling
OceanRep > The Future Ocean - Cluster of Excellence > FO-R05
OceanRep > The Future Ocean - Cluster of Excellence
Refereed: Yes
Open Access Journal?: Yes
DOI etc.: 10.1002/2016EF000389
ISSN: 2328-4277
Projects: SPP 1689, Future Ocean
Date Deposited: 16 Jan 2017 08:25
Last Modified: 01 Feb 2019 15:10
URI: http://oceanrep.geomar.de/id/eprint/35665

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