GSTDTAP  > 气候变化
DOI10.1029/2018JD028974
Stratospheric Aerosols, Polar Stratospheric Clouds, and Polar Ozone Depletion After the Mount Calbuco Eruption in 2015
Zhu, Yunqian1; Toon, Owen Brian1,2; Kinnison, Douglas3; Harvey, V. Lynn1; Mills, Michael J.3; Bardeen, Charles G.3; Pitts, Michael4; Begue, Nelson5; Renard, Jean-Baptiste6; Berthet, Gwenael6; Jegou, Fabrice6
2018-11-16
发表期刊JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES
ISSN2169-897X
EISSN2169-8996
出版年2018
卷号123期号:21页码:12308-12331
文章类型Article
语种英语
国家USA; France
英文摘要

We investigate the impact of the 2015 Mount Calbuco eruption and previous eruptions on stratospheric aerosols, polar stratospheric clouds, and ozone depletion using the Community Earth System Model coupled with the Community Aerosol and Radiation Model for Atmospheres compared with several satellite and balloon observations. The modeled volcanic sulfate aerosol size distribution agrees with the Light Optical Aerosol Counter observation at the Reunion Island site (21 degrees S, 55 degrees E) on 19 August at 20 km within estimated 0.1- to 1-mu m radius error bars. Both the observed and simulated backscatter and extinction show that volcanic sulfate aerosol from the Mount Calbuco eruption was transported from midlatitude toward the Antarctic and slowly descended during transport. They also indicate that the SO2 emission into the stratosphere from Mount Calbuco is 0.2-0.4 Tg. The modeled number density indicates that the volcanic sulfate aerosol from the Mount Calbuco eruption penetrated into the Antarctic polar vortex in May and thereafter and reduced the polar stratospheric clouds effective radius. In the simulations, the Antarctic stratosphere denitrified too early and by too much compared with Microwave Limb Sounder observations. Heterogeneous nucleation of nitric acid trihydrate or sophisticated gravity wave representations may be required to simulate nitric acid trihydrate particles with smaller falling velocity. The volcanic sulfate aerosol increases the ozone depletion in September especially around 100 hPa and 70 degrees S, relative to a case without any volcanic eruptions. The simulated surface area density, earlier ozone loss, and larger area of the ozone hole are consistent with the presence of volcanic sulfate layers observed at 16 km as well as previous studies.


领域气候变化
收录类别SCI-E
WOS记录号WOS:000452001400031
WOS关键词SIZE DISTRIBUTION MEASUREMENTS ; PINATUBO VOLCANIC AEROSOL ; IN-SITU ; MICROPHYSICAL SIMULATIONS ; ATMOSPHERIC PARTICLES ; OPTICAL COUNTER/SIZER ; BALLOON MEASUREMENTS ; ANTARCTIC OZONE ; NITRIC-ACID ; CN LAYER
WOS类目Meteorology & Atmospheric Sciences
WOS研究方向Meteorology & Atmospheric Sciences
引用统计
文献类型期刊论文
条目标识符http://119.78.100.173/C666/handle/2XK7JSWQ/32279
专题气候变化
作者单位1.Univ Colorado, Lab Atmospher & Space Phys, Boulder, CO 80309 USA;
2.Univ Colorado, Dept Atmospher & Ocean Sci, Boulder, CO 80309 USA;
3.Natl Ctr Atmospher Res, Atmospher Chem Observat & Modeling Lab, POB 3000, Boulder, CO 80307 USA;
4.Langley Res Ctr, Hampton, VA USA;
5.Univ Reunion, CNRS, Lab Atmosphere & Cyclones, UMR 8105, St Denis, France;
6.Univ Orleans, Lab Phys & Chim Environm & Espace, Orleans, France
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Zhu, Yunqian,Toon, Owen Brian,Kinnison, Douglas,et al. Stratospheric Aerosols, Polar Stratospheric Clouds, and Polar Ozone Depletion After the Mount Calbuco Eruption in 2015[J]. JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES,2018,123(21):12308-12331.
APA Zhu, Yunqian.,Toon, Owen Brian.,Kinnison, Douglas.,Harvey, V. Lynn.,Mills, Michael J..,...&Jegou, Fabrice.(2018).Stratospheric Aerosols, Polar Stratospheric Clouds, and Polar Ozone Depletion After the Mount Calbuco Eruption in 2015.JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES,123(21),12308-12331.
MLA Zhu, Yunqian,et al."Stratospheric Aerosols, Polar Stratospheric Clouds, and Polar Ozone Depletion After the Mount Calbuco Eruption in 2015".JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES 123.21(2018):12308-12331.
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