globalchange  > 影响、适应和脆弱性
DOI: 10.1088/1748-9326/10/9/094003
论文题名:
On the surface impact of Arctic stratospheric ozone extremes
作者: N Calvo; L M Polvani; S Solomon
刊名: Environmental Research Letters
ISSN: 1748-9326
出版年: 2015
发表日期: 2015-09-01
卷: 10, 期:9
语种: 英语
英文摘要:

A comprehensive stratosphere-resolving atmospheric model, with interactive stratospheric ozone chemistry, coupled to ocean, sea ice and land components is used to explore the tropospheric and surface impacts of large springtime ozone anomalies in the Arctic stratosphere. Coupling between the Antarctic ozone hole and Southern Hemisphere climate has been identified in numerous studies, but connections of Arctic ozone loss to surface climate have been more difficult to elucidate. Analyzing an ensemble of historical integrations with all known natural and anthropogenic forcings specified over the period 1955–2005, we find that extremely low stratospheric ozone changes are able to produce large and robust anomalies in tropospheric wind, temperature and precipitation in April and May over large portions of the Northern Hemisphere (most notably over the North Atlantic and Eurasia). Further, these ozone-induced surface anomalies are obtained only in the last two decades of the 20th century, when high concentrations of ozone depleting substances generate sufficiently strong stratospheric temperature anomalies to impact the surface climate. Our findings suggest that coupling between chemistry and dynamics is essential for a complete representation of surface climate variability and climate change not only in Antarctica but also in the Arctic.

URL: http://iopscience.iop.org/article/10.1088/1748-9326/10/9/094003
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/14283
Appears in Collections:影响、适应和脆弱性
气候减缓与适应

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作者单位: Departamento de Fisica de la Tierra II, Facultad de Ciencias Fisicas, Universidad Complutense de Madrid, Madrid, Spain;Department of Applied Physics and Applied Mathematics, Department of Earth and Environmental Sciences, and Lamont Doherty Earth Observatory, Columbia University, New York, NY, USA;Department of Earth, Atmospheric, and Planetary Sciences, Massachusetts Institute of Technology, Cambridge, MA, USA

Recommended Citation:
N Calvo,L M Polvani,S Solomon. On the surface impact of Arctic stratospheric ozone extremes[J]. Environmental Research Letters,2015-01-01,10(9)
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