title: Potential negative consequences of geoengineering on crop production: A study of Indian groundnut.
abstract: Geoengineering has been proposed to stabilize global temperature, but its impacts on crop production and stability are not fully understood. A few case studies suggest that certain crops are likely to benefit from solar dimming geoengineering, yet we show that geoengineering is projected to have detrimental effects for groundnut. Using an ensemble of crop-climate model simulations, we illustrate that groundnut yields in India undergo a statistically significant decrease of up to 20% as a result of solar dimming geoengineering relative to RCP4.5. It is somewhat reassuring, however, to find that after a sustained period of 50 years of geoengineering crop yields return to the nongeoengineered values within a few years once the intervention is ceased.
authors.affiliation: CMA Key Laboratory for Aerosol-Cloud-Precipitation Nanjing University of Information Science and Technology Nanjing China; ICAS School of Earth and Environment, University of Leeds Leeds UK.
authors.forename: Huiyi
authors.identifier: 0000-0002-8725-7102
authors.initials: H
authors.lastname: Yang
authors.affiliation: ICAS School of Earth and Environment, University of Leeds Leeds UK.
authors.forename: Steven
authors.identifier: 0000-0001-8474-176X
authors.initials: S
authors.lastname: Dobbie
authors.affiliation: ICAS School of Earth and Environment, University of Leeds Leeds UK; International Center for Tropical Agriculture Cali Colombia; CGIAR Research Program on Climate Change Agriculture and Food Security Cali Colombia.
authors.forename: Julian
authors.identifier: 0000-0002-8044-583X
authors.initials: J
authors.lastname: Ramirez-Villegas
authors.affiliation: Department of Geographical Sciences University of Maryland College Park Maryland USA.
authors.forename: Kuishuang
authors.identifier: 0000-0001-5139-444X
authors.initials: K
authors.lastname: Feng
authors.affiliation: ICAS School of Earth and Environment, University of Leeds Leeds UK; CGIAR Research Program on Climate Change Agriculture and Food Security Cali Colombia.
authors.forename: Andrew J
authors.identifier: 0000-0002-8551-6617
authors.initials: AJ
authors.lastname: Challinor
authors.affiliation: State Key Laboratory of Remote Sensing Science Institute of Remote Sensing and Digital Earth, Chinese Academy of Sciences Beijing China.
authors.forename: Bing
authors.identifier: 0000-0002-8577-849X
authors.initials: B
authors.lastname: Chen
authors.affiliation: Climate Research Unit Finnish Meteorological Institute Helsinki Finland.
authors.forename: Yao
authors.identifier: 0000-0002-7619-7829
authors.initials: Y
authors.lastname: Gao
authors.affiliation: ICAS School of Earth and Environment, University of Leeds Leeds UK.
authors.forename: Lindsay
authors.identifier: 0000-0002-8029-6328
authors.initials: L
authors.lastname: Lee
authors.affiliation: CMA Key Laboratory for Aerosol-Cloud-Precipitation Nanjing University of Information Science and Technology Nanjing China.
authors.forename: Yan
authors.initials: Y
authors.lastname: Yin
authors.affiliation: Department of Geographical Sciences University of Maryland College Park Maryland USA; Department of Financial and Management Studies University of London London UK; International Institute for Applied Systems Analysis Vienna Austria.
authors.forename: Laixiang
authors.identifier: 0000-0002-7784-7942
authors.initials: L
authors.lastname: Sun
authors.affiliation: Queensland Alliance for Agriculture and Food Innovation University of Queensland Brisbane Queensland Australia.
authors.forename: James
authors.initials: J
authors.lastname: Watson
authors.affiliation: ICAS School of Earth and Environment, University of Leeds Leeds UK.
authors.forename: Ann-Kristin
authors.identifier: 0000-0002-1059-8056
authors.initials: AK
authors.lastname: Koehler
authors.affiliation: National Marine Environmental Forecasting Center Beijing China.
authors.forename: Tingting
authors.initials: T
authors.lastname: Fan
authors.affiliation: School of Mechanical and Building Science Vellore Institute of Technology Vellore India.
authors.forename: Sat
authors.identifier: 0000-0002-1643-006X
authors.initials: S
authors.lastname: Ghosh
keywords: GLAM; agriculture; climate change; geoengineering; groundnut