Articles | Volume 21, issue 8
Atmos. Chem. Phys., 21, 6565–6591, 2021
https://doi.org/10.5194/acp-21-6565-2021

Special issue: The Model Intercomparison Project on the climatic response...

Atmos. Chem. Phys., 21, 6565–6591, 2021
https://doi.org/10.5194/acp-21-6565-2021

Research article 01 May 2021

Research article | 01 May 2021

The impact of volcanic eruptions of different magnitude on stratospheric water vapor in the tropics

Clarissa Alicia Kroll et al.

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Cited articles

Angell, J. K.: Stratospheric warming due to Agung, El Chichón, and Pinatubo taking into account the quasi-biennial oscillation, J. Geophys. Res.-Atmos., 102, 9479–9485, https://doi.org/10.1029/96JD03588, 1997. a
Azoulay, A., Schmidt, H., and Timmreck, C.: The Arctic polar vortex response to volcanic forcing of different strengths, J. Geophys. Res., submitted, further information available at: http://hdl.handle.net/21.11116/0000-0007-8B38-E (last access: 20 November 2020), 2021 (primary data available at: https://pure.mpg.de/pubman/item/item_3270673_8/component/file_3314921/JGR-D_Azoulay-2021.tar.gz?mode=download, last access: 13 September 2019). a, b, c, d
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Boucher, O., Kleinschmitt, C., and Myhre, G.: Quasi-Additivity of the Radiative Effects of Marine Cloud Brightening and Stratospheric Sulfate Aerosol Injection, Geophys. Res. Lett., 44, 11158–11165, https://doi.org/10.1002/2017GL074647, 2017. a
Brewer, A. W.: Evidence for a world circulation provided by the measurements of helium and water vapour distribution in the stratosphere, Q. J. Roy. Meteor. Soc., 75, 351–363, https://doi.org/10.1002/qj.49707532603, 1949. a
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Volcanic forcing is counteracted by stratospheric water vapor (SWV) entering the stratosphere as a consequence of aerosol-induced cold-point warming. We find that depending on the emission strength, aerosol profile height and season of the eruption, up to 4 % of the tropical aerosol forcing can be counterbalanced. A power function relationship between cold-point warming/SWV forcing and AOD in the yearly average is found, allowing us to estimate the SWV forcing for comparable eruptions.
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