期刊
GEOPHYSICAL RESEARCH LETTERS
卷 47, 期 2, 页码 -出版社
AMER GEOPHYSICAL UNION
DOI: 10.1029/2019GL086047
关键词
Africa; SRM; impact; extreme; climate
资金
- DECIMALS fund of the Solar Radiation Management Governance Initiative
- Environmental Defense Fund
- The World Academy of Sciences (TWAS)
- Open Philanthropy Project
- National Science Foundation
Anthropogenic warming is projected to increase the magnitude and frequency of extreme events, whose impacts are already being felt in vulnerable regions in sub-Saharan Africa. Solar radiation management (SRM) has been proposed as an interim measure to offset warming while emissions are reduced; however, the impact of stratospheric SRM on regional climate extremes have not yet been explored, particularly in the Paris agreement context. We investigate the potential impact of SRM on temperature and rainfall means and extremes over sub-Saharan Africa using simulations from the Geoengineering Large Ensemble. We found SRM significantly reduces temperature means and extremes; however, the effect on precipitation is not as linear. The results should be interpreted with caution as they are particular to this approach of SRM and this modelling experiment.
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