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the claim

Volcanic eruptions cool the Earth's surface by injecting aerosols that reflect solar radiation.

the verdict
SUPPORTED
the evidence backs this
Recorded sources
6 sources for · 0 against

Counts group repeated records of the same source within each side. They do not measure evidence strength or source independence.

Is it true that volcanic eruptions cool the Earth's surface by injecting aerosols that reflect solar radiation?

Yes. Multiple studies consistently demonstrate that volcanic eruptions inject aerosols into the atmosphere, which reflect solar radiation and lead to significant surface cooling.

Verdict: SUPPORTED · 6 sources for, 0 against · Last checked

The analysis

The retrieved papers provide robust support for the claim that volcanic eruptions cool the Earth's surface through the injection of aerosols that reflect solar radiation (or increase cloud reflectivity). Papers [0], [1], [3], [5], [7], and [9] explicitly discuss the surface cooling and radiative forcing mechanisms resulting from volcanic aerosols. None of the provided papers refute the core claim.

Evidence for · 6
Small global-mean cooling due to volcanic radiative forcing
2016
Volcanic aerosol following explosive eruptions causes sudden global-mean cooling.
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Gregory, J. M., Gregory, J. M., Andrews, T., Good, P., Mauritsen, T., & Forster, P. (2016). Small global-mean cooling due to volcanic radiative forcing. doi.org. https://doi.org/10.1007/s00382-016-3055-1

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More for · 5
Climate change modulates the stratospheric volcanic sulfate aerosol lifecycle and radiative forcing from tropical eruptions
2021
Large-magnitude tropical eruptions result in surface cooling driven by stratospheric volcanic sulfate aerosols.
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Aubry, T., Staunton-Sykes, J., Marshall, L. R., Haywood, J., Abraham, N., & Schmidt, A. (2021). Climate change modulates the stratospheric volcanic sulfate aerosol lifecycle and radiative forcing from tropical eruptions. doi.org. https://doi.org/10.1038/s41467-021-24943-7

Substantial cooling effect from aerosol-induced increase in tropical marine cloud cover
2024
Volcanic eruptions inject aerosols that enhance cloud reflectivity and produce a substantial cooling effect.
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Chen, Y., Haywood, J., Wang, Y., Malavelle, F., Jordan, G., Peace, A., Partridge, D., Cho, N., Oreopoulos, L., Grosvenor, D. P., Field, P., Allan, R., & Lohmann, U. (2024). Substantial cooling effect from aerosol-induced increase in tropical marine cloud cover. doi.org. https://doi.org/10.1038/s41561-024-01427-z

Volcano-induced regime shifts in millennial tree-ring chronologies from northeastern North America.
2014
Succession of strong volcanic eruptions forced abrupt surface cooling and the onset of the Little Ice Age.
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F, G., D, A., A, N., L, P., & Y, B. (2014). Volcano-induced regime shifts in millennial tree-ring chronologies from northeastern North America.. doi.org. https://doi.org/10.1073/pnas.1324220111

Volcanic forcing of high-latitude Northern Hemisphere eruptions
2024
High-latitude explosive volcanic eruptions can cause substantial hemispheric cooling via aerosol radiative forcing.
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Fuglestvedt, H. F., Zhuo, Z., Toohey, M., & Krüger, K. (2024). Volcanic forcing of high-latitude Northern Hemisphere eruptions. doi.org. https://doi.org/10.1038/s41612-023-00539-4

Climate feedback to stratospheric aerosol forcing: the key role of the pattern effect
2022
Stratospheric sulfate aerosol forcing causes a temperature cooling response.
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Günther, M., Schmidt, H., Timmreck, C., & Toohey, M. (2022). Climate feedback to stratospheric aerosol forcing: the key role of the pattern effect. doi.org. https://doi.org/10.1175/jcli-d-22-0306.1

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Receipt History
first checked05 Aug 2026
judged → SUPPORTED · 8605 Aug 2026
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