Winter warming and summer monsoon reduction after volcanic eruptions in Coupled Model Intercomparison Project 5 (CMIP5) simulations

Brian Zambri; Alan Robock

doi:10.1002/2016gl070460

journal article Oct 22, 2016

Winter warming and summer monsoon reduction after volcanic eruptions in Coupled Model Intercomparison Project 5 (CMIP5) simulations

Brian Zambri

Alan Robock

Geophysical Research Letters Vol. 43 No. 20 · American Geophysical Union (AGU)

View at Publisher Save 10.1002/2016gl070460

Abstract

AbstractThough previous studies have shown that state‐of‐the‐art climate models are rather imperfect in their simulations of the climate response to large volcanic eruptions, the results depend on how the analyses were done. Observations show that all recent large tropical eruptions were followed by winter warming in the first Northern Hemisphere (NH) winter after the eruption, with little such response in the second winter, yet a number of the evaluations have combined the first and second winters. We have looked at just the first winter after large eruptions since 1850 in the Coupled Model Intercomparison Project 5 historical simulations and find that most models do produce a winter warming signal, with warmer temperatures over NH continents and a stronger polar vortex in the lower stratosphere. We also examined NH summer precipitation responses in the first year after these large volcanic eruptions and find clear reductions of summer monsoon rainfall.

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Metrics

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References

Details

Published: Oct 22, 2016
Vol/Issue: 43(20)
License: View

Authors

B

Brian Zambri

Department of Environmental Sciences Rutgers University New Brunswick New Jersey USA

A

Alan Robock

Department of Environmental Sciences Rutgers University New Brunswick New Jersey USA

Funding

Iran National Science Foundation Award: AGS‐1430051

Cite This Article

Brian Zambri, Alan Robock (2016). Winter warming and summer monsoon reduction after volcanic eruptions in Coupled Model Intercomparison Project 5 (CMIP5) simulations. Geophysical Research Letters, 43(20). https://doi.org/10.1002/2016gl070460

Winter warming and summer monsoon reduction after volcanic eruptions in Coupled Model Intercomparison Project 5 (CMIP5) simulations

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