Rapid ozone depletion after humidification of the stratosphere by the Hunga Tonga Eruption-Reference-Cited by-同舟云学术

Rapid ozone depletion after humidification of the stratosphere by the Hunga Tonga Eruption

Published:2023-10-20 Issue:6668 Volume:382 Page:
ISSN:0036-8075
Container-title:Science
language:en
Short-container-title:Science

Author:

Evan Stephanie¹^ORCID,Brioude Jerome¹^ORCID,Rosenlof Karen H.²^ORCID,Gao Ru-Shan²^ORCID,Portmann Robert W.²^ORCID,Zhu Yunqian²³^ORCID,Volkamer Rainer⁴^ORCID,Lee Christopher F.⁴^ORCID,Metzger Jean-Marc⁵^ORCID,Lamy Kevin¹^ORCID,Walter Paul⁶^ORCID,Alvarez Sergio L.⁷^ORCID,Flynn James H.⁷^ORCID,Asher Elizabeth²³^ORCID,Todt Michael⁸^ORCID,Davis Sean M.²^ORCID,Thornberry Troy²^ORCID,Vömel Holger⁹^ORCID,Wienhold Frank G.¹⁰,Stauffer Ryan M.¹¹^ORCID,Millán Luis¹²^ORCID,Santee Michelle L.¹²^ORCID,Froidevaux Lucien¹²^ORCID,Read William G.¹²^ORCID

Affiliation:

1. Laboratoire de l’Atmosphère et des Cyclones (LACy), UMR8105, CNRS, Université de La Réunion, Météo-France, Saint-Denis, France.

2. NOAA Chemical Sciences Laboratory, Boulder, CO, USA.

3. Cooperative Institute for Research in Environmental Sciences, University of Colorado, Boulder, CO, USA.

4. Department of Chemistry and Cooperative Institute for Research in Environmental Sciences, University of Colorado, Boulder, CO, USA.

5. Observatoire des Sciences de l’Univers de la Réunion, UAR 3365 (CNRS, Université de la Réunion, Météo-France), Saint-Denis, France.

6. St. Edward’s University, Austin, TX, USA.

7. University of Houston, Houston, TX, USA.

8. Finnish Meteorological Institute, Helsinki, Finland.

9. National Center for Atmospheric Research, Boulder, CO, USA.

10. Swiss Federal Institute of Technology (ETH), Zurich, Switzerland.

11. Atmospheric Chemistry and Dynamics Laboratory, NASA Goddard Space Flight Center, Greenbelt, MD, USA.

12. Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA, USA.

Abstract

The eruption of the Hunga Tonga–Hunga Ha’apai volcano on 15 January 2022 offered a good opportunity to explore the early impacts of tropical volcanic eruptions on stratospheric composition. Balloon-borne observations near Réunion Island revealed the unprecedented amount of water vapor injected by the volcano. The enhanced stratospheric humidity, radiative cooling, and expanded aerosol surface area in the volcanic plume created the ideal conditions for swift ozone depletion of 5% in the tropical stratosphere in just 1 week. The decrease in hydrogen chloride by 0.4 parts per million by volume (ppbv) and the increase in chlorine monoxide by 0.4 ppbv provided compelling evidence for chlorine activation within the volcanic plume. This study enhances our understanding of the effect of this unusual volcanic eruption on stratospheric chemistry and provides insights into possible chemistry changes that may occur in a changing climate.

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

Link

https://www.science.org/doi/pdf/10.1126/science.adg2551

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