Abstract:
Stratospheric Aerosol Geoengineering experiments have been produced by CESM2 (WACCM6). Two experiments have been performed following the CMIP6 WACCM6 SSP5-34-OS experiment as a baseline scenario with stratospheric sulfur injections to limit global warming to 1.5C or 2.0C above 1850-1900 conditions, called Geo SSP5-34-OS 1.5 and Geo SSP5-34-OS 2.0, respectively. A third experiment has been performed that follows CMIP6 WACCM6 SSP5-85 as a baseline and to limit global warming to 1.5 degrees C, called Geo SSP5-85 1.5. Sulfur injections were applied at four predefined latitudes, 30N, 15N, 15S, and 30S, to reach three surface temperature targets: global mean temperature, and inter-hemispheric and pole-to-equator temperature gradients using a feedback algorithm. All experiments have two ensemble members. More details can be found in the reference paper.
Temporal Range:
2020-01 to 2100-12
Data Contributors:
UCAR/NCAR/CGD
Climate and Global Dynamics Division, National Center for Atmospheric Research, University Corporation for Atmospheric Research
Publications:
Tilmes, S., D. G. MacMartin, J. T. M. Lenaerts, L. van Kampenhout, L. Muntjewerf, L. Xia, C. S. Harrison, K. M. Krumhardt, M. J. Mills, B. Kravitz, and A. Robock, 2020:
Reaching 1.5 and 2.0 °C global surface temperature targets using stratospheric aerosol geoengineering.
Earth Syst. Dyn.,
11, 579-601 (DOI: 10.5194/esd-11-579-2020).
Metadata Record:
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