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Towards a comprehensive climate impacts assessment of solar geoengineering

Journal Article · · Earth's Future
DOI:https://doi.org/10.1002/2016ef000389· OSTI ID:1343941
 [1];  [2];  [3];  [4];  [5];  [6];  [7];  [8];  [9];  [10];  [11];  [12]
  1. Inst. for Advanced Sustainability Studies, Potsdam (Germany); Harvard Univ., Cambridge, MA (United States). John A. Paulson School of Engineering and Applied Sciences
  2. Pacific Northwest National Lab. (PNNL), Richland, WA (United States). Atmospheric Sciences and Global Change Division
  3. Inst. for Advanced Sustainability Studies, Potsdam (Germany)
  4. Potsdam Inst. for Climate Impact Research, Potsdam (Germany). Research Domain of Earth System Analysis; Humboldt Univ. of Berlin (Germany). Geography Dept.
  5. Univ. of Liverpool (United Kingdom). Inst. of Infection and Global Health
  6. Univ. of Nottingham (United Kingdom). School of Geography
  7. Univ. of Bristol (United Kingdom). School of Earth Sciences
  8. Univ. of Florida, Gainesville, FL (United States). Dept. of Agricultural and Biological Engineering
  9. Univ. of Amsterdam (Netherlands). Inst. for Biodiversity and Ecosystem Dynamics
  10. Univ. of Oslo (Norway). Dept. of Geosciences
  11. GEOMAR Helmholtz Centre for Ocean Research Kiel (Germany)
  12. Pacific Northwest National Lab. (PNNL), College Park, MD (United States). Joint Global Change Research Inst.

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 the 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 be built 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.

Research Organization:
Pacific Northwest National Lab. (PNNL), Richland, WA (United States); Univ. of Liverpool (United Kingdom); Univ. of Oslo (Norway); GEOMAR Helmholtz Centre for Ocean Research Kiel (Germany)
Sponsoring Organization:
USDOE; Medical Research Council (MRC) (United Kingdom); Norwegian Research Council (Norway); German Research Foundation (DFG) (Germany)
Contributing Organization:
Univ. of Nottingham (United Kingdom); Univ. of Bristol (United Kingdom); Univ. of Amsterdam (Netherlands); Inst. for Advanced Sustainability Studies, Potsdam (Germany); Harvard Univ., Cambridge, MA (United States); Potsdam Inst. for Climate Impact Research, Potsdam (Germany); Humboldt Univ. of Berlin (Germany); Univ. of Florida, Gainesville, FL (United States)
Grant/Contract Number:
AC05-76RL01830
OSTI ID:
1343941
Alternate ID(s):
OSTI ID: 1346282
Report Number(s):
PNNL-SA--115412
Journal Information:
Earth's Future, Journal Name: Earth's Future Journal Issue: 1 Vol. 5; ISSN 2328-4277
Publisher:
American Geophysical Union (AGU)Copyright Statement
Country of Publication:
United States
Language:
English

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Cited By (12)

Quantifying and Comparing Effects of Climate Engineering Methods on the Earth System journal February 2018
Climate engineering–induced changes in correlations between Earth system variables—implications for appropriate indicator selection journal February 2019
Evoking equity as a rationale for solar geoengineering research? Scrutinizing emerging expert visions of equity journal September 2017
Coral reef aerosol emissions in response to irradiance stress in the Great Barrier Reef, Australia journal February 2018
Holistic Assessment of SO 2 Injections Using CESM1(WACCM): Introduction to the Special Issue journal January 2019
Evaluating climate geoengineering proposals in the context of the Paris Agreement temperature goals journal September 2018
Potentially dangerous consequences for biodiversity of solar geoengineering implementation and termination journal January 2018
How do we overcome abrupt degradation of marine ecosystems and meet the challenge of heat waves and climate extremes? journal December 2019
Climate, ecosystems, and planetary futures: The challenge to predict life in Earth system models journal February 2018
Estimating the Impact of Artificially Injected Stratospheric Aerosols on the Global Mean Surface Temperature in the 21th Century journal October 2018
Climate engineering and the ocean: effects on biogeochemistry and primary production journal January 2017
Complementing CO2 emission reduction by solar radiation management might strongly enhance future welfare journal January 2019

Figures / Tables (3)


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