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Asymmetric forcing from stratospheric aerosols impacts Sahelian rainfall

Author

Listed:
  • Jim M. Haywood

    (Met Office Hadley Centre
    CEMPS, University of Exeter)

  • Andy Jones

    (Met Office Hadley Centre)

  • Nicolas Bellouin

    (Met Office Hadley Centre
    Present address: Department of Meteorology, University of Reading, Reading RG6 6BB, UK)

  • David Stephenson

    (CEMPS, University of Exeter)

Abstract

Sahelian drought is investigated by analysing de-trended observations between 1900 and 2010, which show that substantial Northern Hemisphere volcanic eruptions preceded three of the four driest summers. Modelling both episodic volcanic eruptions and geoengineering by continuous deliberate stratospheric injection shows that large asymmetric aerosol loadings in the Northern Hemisphere are a precursor of Sahelian drought, whereas if the aerosol loadings are concentrated in the Southern Hemisphere greening of the Sahel is induced.

Suggested Citation

  • Jim M. Haywood & Andy Jones & Nicolas Bellouin & David Stephenson, 2013. "Asymmetric forcing from stratospheric aerosols impacts Sahelian rainfall," Nature Climate Change, Nature, vol. 3(7), pages 660-665, July.
    • Handle: RePEc:nat:natcli:v:3:y:2013:i:7:d:10.1038_nclimate1857
    DOI: 10.1038/nclimate1857
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    Cited by:

    1. Zhixin Hao & Mengxin Bai & Danyang Xiong & Yang Liu & Jingyun Zheng, 2021. "The severe drought of 1876–1878 in North China and possible causes," Climatic Change, Springer, vol. 167(1), pages 1-17, July.
    2. Johannes Emmerling & Massimo Tavoni, 2013. "Geoengineering and Abatement: A “flat” Relationship under Uncertainty," Working Papers 2013.31, Fondazione Eni Enrico Mattei.
    3. Johannes Emmerling & Massimo Tavoni, 2017. "Quantifying Non-cooperative Climate Engineering," Working Papers 2017.58, Fondazione Eni Enrico Mattei.
    4. Yongxiang Zhang & Hongli Wang & Xuemei Shao & Jinbao Li & Guoyu Ren, 2022. "Extreme drought events diagnosed along the Yellow River and the adjacent area," Climatic Change, Springer, vol. 173(3), pages 1-16, August.
    5. Beckage, Brian & Lacasse, Katherine & Raimi, Kaitlin T. & Visioni, Daniele, 2023. "Integrating Risk Perception with Climate Models to Understand the Potential Deployment of Solar Radiation Modification to Mitigate Climate Change," RFF Working Paper Series 23-22, Resources for the Future.
    6. Gabrielle R. Leung & Susan C. van den Heever, 2023. "Aerosol breezes drive cloud and precipitation increases," Nature Communications, Nature, vol. 14(1), pages 1-8, December.
    7. Alessandra Giannini & Alexey Kaplan, 2019. "The role of aerosols and greenhouse gases in Sahel drought and recovery," Climatic Change, Springer, vol. 152(3), pages 449-466, March.
    8. Dipu, Sudhakar & Quaas, Johannes & Quaas, Martin & Rickels, Wilfried & Mülmenstädt, Johannes & Boucher, Olivier, 2021. "Substantial Climate Response outside the Target Area in an Idealized Experiment of Regional Radiation Management," Open Access Publications from Kiel Institute for the World Economy 240193, Kiel Institute for the World Economy (IfW Kiel).
    9. Johannes Emmerling & Massimo Tavoni, 2018. "Climate Engineering and Abatement: A ‘flat’ Relationship Under Uncertainty," Environmental & Resource Economics, Springer;European Association of Environmental and Resource Economists, vol. 69(2), pages 395-415, February.
    10. Zhixin Hao & Danyang Xiong & Jingyun Zheng, 2021. "How ancient China dealt with summer droughts—a case study of the whole process of the 1751 drought in the Qing dynasty," Climatic Change, Springer, vol. 165(1), pages 1-22, March.
    11. Raphaël Rousseau-Rizzi & Kerry Emanuel, 2022. "Natural and anthropogenic contributions to the hurricane drought of the 1970s–1980s," Nature Communications, Nature, vol. 13(1), pages 1-10, December.
    12. MacMartin, Douglas G. & Kravitz, Ben & Keith, David, 2014. "Geoengineering: The world's largest control problem," Scholarly Articles 23936193, Harvard Kennedy School of Government.

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