The Increasing Surface Ozone and Tropospheric Ozone in Antarctica and Their Possible Drivers

被引：16

作者：

Kumar, Pankaj ^{[1
]}

Kuttippurath, Jayanarayanan ^{[1
]}

von Der Gathen, Peter ^{[2
]}

Petropavlovskikh, Irina ^{[3
,4
]}

Johnson, Bryan ^{[4
]}

McClure-Begley, Audra ^{[3
,4
]}

Cristofanelli, Paolo ^{[5
]}

Bonasoni, Paolo ^{[5
]}

Barlasina, Maria Elena ^{[6
]}

Sanchez, Ricardo ^{[6
]}

机构：

[1] Indian Inst Technol Kharagpur, CORAL, Kharagpur 721302, W Bengal, India

[2] Helmholtz Ctr Polar & Marine Res, Alfred Wegener Inst, D-14473 Potsdam, Germany

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

[4] NOAA, ESRL Global Monitoring Lab, Boulder, CO 80305 USA

[5] Natl Res Council Italy, Inst Atmospher Sci & Climate, I-40129 Bologna, Italy

[6] Serv Meteorol Nacl, Vigilancia Atmosfera & Geofis, RA-4019 Buenos Aires, DF, Argentina

来源：

ENVIRONMENTAL SCIENCE & TECHNOLOGY | 2021年 / 55卷 / 13期

关键词：

antarctica; tropospheric ozone; tropopause; MLR; DLM; trajectory; clustering; SOUTHERN-HEMISPHERE; INTERANNUAL VARIABILITY; CLIMATE-CHANGE; TRENDS; TROPOPAUSE; TRANSPORT; MODEL; STRATOSPHERE; CHEMISTRY; CONCORDIA;

D O I：

10.1021/acs.est.0c08491

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

A comprehensive analysis of the temporal evolution of tropospheric ozone in Antarctica using more than 25 years of surface ozone and ozonesonde measurements reveals significant changes in tropospheric ozone there. It shows a positive trend in ozone at the surface and lower and mid-troposphere, but a negative trend in the upper troposphere. We also find significant links between different climate modes and tropospheric ozone in Antarctica and observe that changes in residual overturning circulation, the strength of the polar vortex, and stratosphere-troposphere exchange make noticeable variability in tropospheric ozone. Therefore, this study alerts of increasing ozone concentration in Antarctica, which would have a profound impact on the future climate of the region as tropospheric ozone has warming feedback to the Earth's climate.

引用

页码：8542 / 8553

页数：12

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