Articles | Volume 11, issue 3
https://doi.org/10.5194/esd-11-579-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/esd-11-579-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
14 Jul 2020
Research article |
| 14 Jul 2020
| 14 Jul 2020
Reaching 1.5 and 2.0 °C global surface temperature targets using stratospheric aerosol geoengineering
Atmospheric Chemistry, Observations, and Modeling Laboratory, National Center for Atmospheric Research, Boulder, CO, USA
Douglas G. MacMartin
Mechanical and Aerospace Engineering, Cornell University, Ithaca, NY, USA
Jan T. M. Lenaerts
Department of Atmospheric and Oceanic Sciences, University of Colorado, Boulder, CO, USA
Leo van Kampenhout
Institute for Marine and Atmospheric Research, Utrecht University, Utrecht, the Netherlands
Laura Muntjewerf
Department of Geoscience and Remote Sensing, Delft University of Technology, Delft, the Netherlands
Department of Environmental Sciences, Rutgers University, New Brunswick, NJ, USA
Cheryl S. Harrison
School of Earth, Environmental, and Marine Sciences, University of Texas Rio Grande Valley, Port Isabel, TX, USA
Kristen M. Krumhardt
Climate Global Dynamics Laboratory, National Center for Atmospheric Research, Boulder, CO, USA
Michael J. Mills
Atmospheric Chemistry, Observations, and Modeling Laboratory, National Center for Atmospheric Research, Boulder, CO, USA
Ben Kravitz
Department of Earth and Atmospheric Sciences, Indiana University, Bloomington, IN, USA
Atmospheric Sciences and Global Change Division, Pacific Northwest National Laboratory, Richland, WA, USA
Alan Robock
Department of Environmental Sciences, Rutgers University, New Brunswick, NJ, USA
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Latest update: 30 May 2025
Short summary
This paper introduces new geoengineering model experiments as part of a larger model intercomparison effort, using reflective particles to block some of the incoming solar radiation to reach surface temperature targets. Outcomes of these applications are contrasted based on a high greenhouse gas emission pathway and a pathway with strong mitigation and negative emissions after 2040. We compare quantities that matter for societal and ecosystem impacts between the different scenarios.
This paper introduces new geoengineering model experiments as part of a larger model...
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