globalchange  > 气候变化与战略
DOI: 10.1073/pnas.1919807117
论文题名:
Reconciling the climate and ozone response to the 1257 CE Mount Samalas eruption
作者: Wade D.C.; Vidal C.M.; Luke Abraham N.; Dhomse S.; Griffiths P.T.; Keeble J.; Mann G.; Marshall L.; Schmidt A.; Archibald A.T.
刊名: Proceedings of the National Academy of Sciences of the United States of America
ISSN: 0027-8424
出版年: 2020
卷: 117, 期:43
起始页码: 26651
结束页码: 26659
语种: 英语
英文关键词: Climate ; Modeling volcanic impacts ; Ozone ; Samalas
Scopus关键词: halogen ; sulfate ; sulfur ; aerosol ; air temperature ; Article ; chemical composition ; chemistry ; climate ; environmental impact ; Indonesia ; ozone layer ; priority journal ; simulation ; stratosphere ; temperature measurement ; volcano
英文摘要: The 1257 CE eruption of Mount Samalas (Indonesia) is the source of the largest stratospheric injection of volcanic gases in the Common Era. Sulfur dioxide emissions produced sulfate aerosols that cooled Earth’s climate with a range of impacts on society. The coemission of halogenated species has also been speculated to have led to wide-scale ozone depletion. Here we present simulations from HadGEM3-ES, a fully coupled Earth system model, with interactive atmospheric chemistry and a microphysical treatment of sulfate aerosol, used to assess the chemical and climate impacts from the injection of sulfur and halogen species into the stratosphere as a result of the Mt. Samalas eruption. While our model simulations support a surface air temperature response to the eruption of the order of −1◦C, performing well against multiple reconstructions of surface temperature from tree-ring records, we find little evidence to support significant injections of halogens into the stratosphere. Including modest fractions of the halogen emissions reported from Mt. Samalas leads to significant impacts on the composition of the atmosphere and on surface temperature. As little as 20% of the halogen inventory from Mt. Samalas reaching the stratosphere would result in catastrophic ozone depletion, extending the surface cooling caused by the eruption. However, based on available proxy records of surface temperature changes, our model results support only very minor fractions (1%) of the halogen inventory reaching the stratosphere and suggest that further constraints are needed to fully resolve the issue. © 2020 National Academy of Sciences. All rights reserved.
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/163974
Appears in Collections:气候变化与战略

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作者单位: Wade, D.C., Centre for Atmospheric Science, Department of Chemistry, University of Cambridge, Cambridge, CB2 1EW, United Kingdom; Vidal, C.M., Department of Geography, University of Cambridge, Cambridge, CB2 3EN, United Kingdom; Luke Abraham, N., Centre for Atmospheric Science, Department of Chemistry, University of Cambridge, Cambridge, CB2 1EW, United Kingdom, National Centre for Atmospheric Science, Department of Chemistry, University of Cambridge, Cambridge, CB2 1EW, United Kingdom; Dhomse, S., School of Earth and Environment, University of Leeds, Leeds, LS2 9JT, United Kingdom; Griffiths, P.T., Centre for Atmospheric Science, Department of Chemistry, University of Cambridge, Cambridge, CB2 1EW, United Kingdom, National Centre for Atmospheric Science, Department of Chemistry, University of Cambridge, Cambridge, CB2 1EW, United Kingdom; Keeble, J., Centre for Atmospheric Science, Department of Chemistry, University of Cambridge, Cambridge, CB2 1EW, United Kingdom, National Centre for Atmospheric Science, Department of Chemistry, University of Cambridge, Cambridge, CB2 1EW, United Kingdom; Mann, G., School of Earth and Environment, University of Leeds, Leeds, LS2 9JT, United Kingdom; Marshall, L., Centre for Atmospheric Science, Department of Chemistry, University of Cambridge, Cambridge, CB2 1EW, United Kingdom; Schmidt, A., Centre for Atmospheric Science, Department of Chemistry, University of Cambridge, Cambridge, CB2 1EW, United Kingdom, Department of Geography, University of Cambridge, Cambridge, CB2 3EN, United Kingdom; Archibald, A.T., Centre for Atmospheric Science, Department of Chemistry, University of Cambridge, Cambridge, CB2 1EW, United Kingdom, National Centre for Atmospheric Science, Department of Chemistry, University of Cambridge, Cambridge, CB2 1EW, United Kingdom

Recommended Citation:
Wade D.C.,Vidal C.M.,Luke Abraham N.,et al. Reconciling the climate and ozone response to the 1257 CE Mount Samalas eruption[J]. Proceedings of the National Academy of Sciences of the United States of America,2020-01-01,117(43)
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