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

被引：21

作者：

Evan, Stephanie ^{[1
]}

Brioude, Jerome ^{[1
]}

Rosenlof, Karen H. ^{[2
]}

Gao, Ru-Shan ^{[2
]}

Portmann, Robert W. ^{[2
]}

Zhu, Yunqian ^{[2
,3
]}

Volkamer, Rainer ^{[4
,5
]}

Lee, Christopher F. ^{[4
,5
]}

Metzger, Jean-Marc ^{[6
]}

Lamy, Kevin ^{[1
]}

Walter, Paul ^{[7
]}

Alvarez, Sergio L. ^{[8
]}

Flynn, James H. ^{[8
]}

Asher, Elizabeth ^{[2
,3
]}

Todt, Michael ^{[9
]}

Davis, Sean M. ^{[2
]}

Thornberry, Troy ^{[2
]}

Voemel, Holger ^{[10
]}

Wienhold, Frank G. ^{[11
]}

Stauffer, Ryan M. ^{[12
]}

Millan, Luis ^{[13
]}

Santee, Michelle L. ^{[13
]}

Froidevaux, Lucien ^{[13
]}

Read, William G. ^{[13
]}

机构：

[1] Univ La Reunion, Meteo France, CNRS, Lab Atmosphere & Cyclones LACy,UMR8105, St Denis, France

[2] NOAA, Chem Sci Lab, Boulder, CO USA

[3] Univ Colorado, Cooperat Inst Res Environm Sci, Boulder, CO USA

[4] Univ Colorado, Dept Chem, Boulder, CO 80309 USA

[5] Univ Colorado, Cooperat Inst Res Environm, Boulder, CO 80309 USA

[6] Univ Reunion, CNRS, Meteo France, Observ Sci Univers Reunion,UAR 3365, St Denis, France

[7] St Edwards Univ, Austin, TX 78704 USA

[8] Univ Houston, Houston, TX USA

[9] Finnish Meteorol Inst, Helsinki, Finland

[10] Natl Ctr Atmospher Res, POB 3000, Boulder, CO 80307 USA

[11] Swiss Fed Inst Technol, Zurich, Switzerland

[12] NASA, Goddard Space Flight Ctr, Atmospher Chem & Dynam Lab, Greenbelt, MD USA

[13] CALTECH, Jet Prop Lab, Pasadena, CA USA

来源：

SCIENCE | 2023年 / 382卷 / 6668期

基金：

美国国家航空航天局; 美国国家科学基金会;

关键词：

HETEROGENEOUS CHEMISTRY; VOLCANIC-ERUPTIONS; MT-PINATUBO; EL-CHICHON; CHLORINE; AEROSOL; SUMMER; IMPACT; DESTRUCTION; TEMPERATURE;

D O I：

10.1126/science.adg2551

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

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 Reunion 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.

引用

页数：8

共 53 条

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