CESM1(WACCM) Stratospheric Aerosol Geoengineering Large Ensemble Project

Tilmes, Simone; Richter, Jadwiga H.; Kravitz, Ben; MacMartin, Douglas G.; Mills, Michael J.; Simpson, Isla R.; Glanville, Anne S.; Fasullo, John T.; Phillips, Adam S.; Lamarque, Jean -Francois; Tribbia, Joseph; Edwards, Jim; Mickelson, Sheri; Ghosh, Siddhartha

doi:10.1175/BAMS-D-17-0267.1

CESM1(WACCM) Stratospheric Aerosol Geoengineering Large Ensemble Project

Journal Article · Wed Dec 12 00:00:00 EST 2018 · Bulletin of the American Meteorological Society

DOI:https://doi.org/10.1175/BAMS-D-17-0267.1· OSTI ID:1497049

Tilmes, Simone ^[1]; Richter, Jadwiga H. ^[1]; Kravitz, Ben ^[2]; MacMartin, Douglas G. ^[3]; Mills, Michael J. ^[1]; Simpson, Isla R. ^[1]; Glanville, Anne S. ^[1]; Fasullo, John T. ^[1]; Phillips, Adam S. ^[1]; Lamarque, Jean -Francois ^[1]; Tribbia, Joseph ^[1]; Edwards, Jim ^[1]; Mickelson, Sheri ^[1]; Ghosh, Siddhartha ^[1]

National Center for Atmospheric Research, Boulder, CO (United States)
Pacific Northwest National Lab. (PNNL), Richland, WA (United States)
Cornell Univ., Ithaca, NY (United States); California Inst. of Technology (CalTech), Pasadena, CA (United States)

This paper describes the stratospheric aerosol geoengineering large ensemble (GLENS) project, which promotes the use of an unique model dataset, performed with Community Earth System Model, using the Whole Atmosphere Community Climate Model as its atmospheric component (CESM1(WACCM)), to investigate global and regional impacts of geoengineering. The performed simulations target multiple simultaneous climate goals unlike many earlier studies that targeted globally averaged surface temperature. This strategic approach is expected to reduce some of the previously found adverse effects of stratospheric aerosol geoengineering, including uneven cooling between the poles and equator and shifts in tropical precipitation. An ensemble of 20 members allows the identification of forced changes in global and regional climate variables in the coupled atmosphere, land, sea-ice, and ocean system in the presence of internal variability. Here, we invite the broader community to perform in-depth analysis of climate related impacts and to identify processes that lead to changes in the climate system as the result of a strategic application of stratospheric aerosol geoengineering. (Capsule Summary) A community project that enables analysis of robust global and regional changes resulting from strategic stratospheric aerosol geoengineering in the presence of internal climate variability.

View Accepted Manuscript (DOE)

Research Organization:: Pacific Northwest National Laboratory (PNNL), Richland, WA (United States)

Sponsoring Organization:: USDOE

Grant/Contract Number:: AC05-76RL01830

OSTI ID:: 1497049

Report Number(s):: PNNL-SA--132201

Journal Information:: Bulletin of the American Meteorological Society, Journal Name: Bulletin of the American Meteorological Society Journal Issue: 11 Vol. 99; ISSN 0003-0007

Publisher:: American Meteorological SocietyCopyright Statement

Country of Publication:: United States

Language:: English

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Holistic Assessment of SO ₂ Injections Using CESM1(WACCM): Introduction to the Special Issue Kravitz, Ben; MacMartin, Douglas G.; Tilmes, Simone Journal of Geophysical Research: Atmospheres, Vol. 124, Issue 2 https://doi.org/10.1029/2018jd029293	journal	January 2019
Soil Moisture and Other Hydrological Changes in a Stratospheric Aerosol Geoengineering Large Ensemble Cheng, Wei; MacMartin, Douglas G.; Dagon, Katherine Journal of Geophysical Research: Atmospheres, Vol. 124, Issue 23 https://doi.org/10.1029/2018jd030237	journal	December 2019
Seasonal Injection Strategies for Stratospheric Aerosol Geoengineering Visioni, Daniele; MacMartin, Douglas G.; Kravitz, Ben Geophysical Research Letters, Vol. 46, Issue 13 https://doi.org/10.1029/2019gl083680	journal	July 2019
Comparing Surface and Stratospheric Impacts of Geoengineering With Different SO ₂ Injection Strategies Kravitz, Ben; MacMartin, Douglas G.; Tilmes, Simone Journal of Geophysical Research: Atmospheres, Vol. 124, Issue 14 https://doi.org/10.1029/2019jd030329	journal	July 2019
The Regional Hydroclimate Response to Stratospheric Sulfate Geoengineering and the Role of Stratospheric Heating Simpson, I. R.; Tilmes, S.; Richter, J. H. Journal of Geophysical Research: Atmospheres, Vol. 124, Issue 23 https://doi.org/10.1029/2019jd031093	journal	December 2019
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Complementing CO₂ emission reduction by solar radiation management might strongly enhance future welfare Helwegen, Koen G.; Wieners, Claudia E.; Frank, Jason E. Earth System Dynamics, Vol. 10, Issue 3 https://doi.org/10.5194/esd-10-453-2019	journal	January 2019
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