GC31I:
Multidisciplinary Assessments of Radiation Management Geoengineering II

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Session ID#: 15644

Session Description:
Geoengineering (also known as climate engineering) is receiving increasing amounts of attention and may become an important part of the discussion about how society will address climate change. There are numerous proposed ideas that fall under the umbrella of Radiation Management Geoengineering (abbreviated geoengineering here), including idealized solar reduction, stratospheric aerosols, marine cloud brightening, surface albedo modification, and cirrus cloud thinning. In this session, we explore the latest discoveries in geoengineering research, as well as the broader context of geoengineering as a potential means of addressing climate change. Example topics could include
(1) Climate model simulations of geoengineering
(2) Integrated assessment modeling of potential roles of geoengineering
(3) How geoengineering could affect vulnerability and resilience to climate change
(4) Impacts assessment studies of geoengineering
(5) Engineering assessments of the potentials, limitations, and feasibility of geoengineering
(6) Analogues of geoengineering
(7) Roles of field experiments and their potential designs
(8) Social, political, and ethical assessments of geoengineering
Primary Convener:  Ben Kravitz, Indiana University, Bloomington, United States
Conveners:  Trude Storelvmo, Yale University, New Haven, CT, United States, Alan Robock, Rutgers University, Department of Environmental Sciences, New Brunswick, United States and Simone Tilmes, NSF National Center for Atmospheric Research, Atmospheric Chemistry Observations and Modeling Laboratory, Boulder, United States
Chairs:  Alan Robock, Rutgers University, Department of Environmental Sciences, New Brunswick, United States, Ben Kravitz, Indiana University, Bloomington, United States and Simone Tilmes, NSF National Center for Atmospheric Research, Atmospheric Chemistry Observations and Modeling Laboratory, Boulder, United States
OSPA Liaison:  Ben Kravitz, Indiana University, Bloomington, United States

Cross-Listed:
  • A - Atmospheric Sciences
  • PA - Public Affairs
Index Terms:

1622 Earth system modeling [GLOBAL CHANGE]
1630 Impacts of global change [GLOBAL CHANGE]
3305 Climate change and variability [ATMOSPHERIC PROCESSES]
6304 Benefit-cost analysis [POLICY SCIENCES]

Abstracts Submitted to this Session:

Simulated transition from RCP8.5 to RCP4.5 through three different Radiation Management techniques (Invited) (129045)
Jon Egill Kristjansson, University of Oslo, Oslo, Norway, Muralidhar Adakudlu, Uni Research, Bergen, Norway, Alf Grini, Norwegian Meteorological Institute, Oslo, Norway, Siv Lauvset, Uni Research, Uni Climate, Bergen, Norway, Helene Muri, University of Oslo, Department of Geosciences, Oslo, Norway, Odd Helge Otterå, Norwegian Research Center - NORCE, and Bjerknes Centre for Climate Research, Bergen, Norway, Michael Schulz, Norwegian Meteorological Institute, Climate and Air Pollution Section, Oslo, Norway and Jerry F Tjiputra, NORCE Climate, Bjerknes Centre for Climate Research, Bergen, Norway
Limits of cirrus cloud seeding (160147)
Blaž Gasparini, University of Washington, Seattle, WA, United States, Steffen Münch, ETH Swiss Federal Institute of Technology Zurich, Zurich, Switzerland and Ulrike Lohmann, ETH Zurich, Institute for Atmospheric and Climate Science, Zurich, Switzerland
Impacts of Solar Radiation Management on Surface Ozone (149689)
Lili Xia, Rutgers University New Brunswick, Department of Environmental Sciences, New Brunswick, United States, Peer Johannes Nowack, University of Cambridge, Chemistry, Cambridge, United Kingdom, Simone Tilmes, NSF National Center for Atmospheric Research, Atmospheric Chemistry Observations and Modeling Laboratory, Boulder, United States and Alan Robock, Rutgers University, Department of Environmental Sciences, New Brunswick, United States
Dangerous Climate Velocities from Geoengineering Termination: Potential Biodiversity Impacts (183249)
Christopher Trisos, University of Cape Town, African Climate and Development Initiative, Cape Town, South Africa, Jessica Gurevitch, Purdue University, West Lafayette, IN, United States, Brian Zambri, Rutgers University New Brunswick, New Brunswick, NJ, United States, Lili Xia, Rutgers University New Brunswick, Department of Environmental Sciences, New Brunswick, United States, Giuseppe Amatulli, South Dakota State University, Brookings, United States; Yale University, School of the Environment, New Haven, United States and Alan Robock, Rutgers University, Department of Environmental Sciences, New Brunswick, United States
The G4Foam Experiment: Global Climate Impacts of Regional Ocean Albedo Modification (158657)
Corey John Gabriel, Rutgers University New Brunswick, New Brunswick, NJ, United States and Alan Robock, Rutgers University, Department of Environmental Sciences, New Brunswick, United States
Precipitation response to solar geoengineering in a high-resolution tropical-cyclone permitting coupled general circulation model (195791)
David Keith1, John A Dykema1, Gabriel Andres Vecchi2, Peter James Irvine3 and Larry Wayne Horowitz4, (1)Harvard University, School of Engineering and Applied Sciences, Cambridge, MA, United States, (2)Geophysical Fluid Dynamics Laboratory, Princeton, NJ, United States, (3)Harvard University, Cambridge, MA, United States, (4)NOAA Geophysical Fluid Dynamics Laboratory, Princeton, United States
Climate Impacts of Geoengineering in a Delayed Mitigation Scenario (139320)
Simone Tilmes, NSF National Center for Atmospheric Research, Atmospheric Chemistry Observations and Modeling Laboratory, Boulder, United States, Benjamin M Sanderson, Center for International Climate and Environmental Research Oslo, Oslo, Norway and Brian C O'Neill, National Center for Atmospheric Research, Boulder, CO, United States
Solar Geoengineering Effects on Stratospheric Dynamics, QBO and Transport (173887)
Ulrike Niemeier, Max Planck Institute for Meteorology, Hamburg, Germany
Changes to the quasi-biennial oscillation due to tropical SO2 injections (162912)
Jadwiga Richter, U. S. National Science Foundation National Center for Atmospheric Research, Boulder, United States, Simone Tilmes, NSF National Center for Atmospheric Research, Atmospheric Chemistry Observations and Modeling Laboratory, Boulder, United States, Michael J Mills, National Center for Atmospheric Research, Atmospheric Chemistry, Observations, and Modeling Laboratory, Boulder, CO, United States, Ben Kravitz, Indiana University, Bloomington, United States and Douglas G MacMartin, California Institute of Technology, Pasadena, CA, United States
Sensitivity of Global Mortality to Sulfate Geoengineering (136142)
Sebastian David Eastham1, Debra Weisenstein1, David Keith2 and Steven R H Barrett3, (1)Harvard University, Cambridge, MA, United States, (2)Harvard University, School of Engineering and Applied Sciences, Cambridge, MA, United States, (3)Massachusetts Institute of Technology, Laboratory for Aviation and the Environment, Cambridge, United States

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