GSTDTAP  > 气候变化
DOI10.1175/JCLI-D-16-0842.1
Large Increase in Incident Shortwave Radiation due to the Ozone Hole Offset by High Climatological Albedo over Antarctica
Chiodo, G.1; Polvani, L. M.2,3; Previdi, M.3
2017-07-01
发表期刊JOURNAL OF CLIMATE
ISSN0894-8755
EISSN1520-0442
出版年2017
卷号30期号:13
文章类型Article
语种英语
国家USA
英文摘要

Despite increasing scientific scrutiny in recent years, the direct impact of the ozone hole on surface temperatures over Antarctica remains uncertain. Here, this question is explored by using the Community Earth System Model-Whole Atmosphere Community Climate Model (CESM-WACCM), contrasting two ensembles of runs with and without stratospheric ozone depletion. It is found that, during austral spring, the ozone hole leads to a surprisingly large increase in surface downwelling shortwave (SW) radiation over Antarctica of 3.8W m(-2) in clear sky and 1.8 W m(-2) in all sky. However, despite this large increase in incident SW radiation, no ozone-induced surface warming is seen in the model. It is shown that the lack of a surface temperature response is due to reflection of most of the increased downward SW, resulting in an insignificant change to the net SW radiative heating. To first order, this reflection is simply due to the high climatological surface albedo of the Antarctic snow (97% in visible SW), resulting in a net zero ozone-induced surface SW forcing. In addition, it is shown that stratospheric ozone depletion has a negligible effect on longwave (LW) radiation and other components of the surface energy budget. These results suggest a minimal role for ozone depletion in forcing Antarctic surface temperature trends on a continental scale.


领域气候变化
收录类别SCI-E
WOS记录号WOS:000402380900004
WOS关键词STRATOSPHERIC OZONE ; SOLAR-RADIATION ; CLIMATE ; ABSORPTION ; SURFACE ; BALANCE ; SNOW
WOS类目Meteorology & Atmospheric Sciences
WOS研究方向Meteorology & Atmospheric Sciences
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文献类型期刊论文
条目标识符http://119.78.100.173/C666/handle/2XK7JSWQ/20741
专题气候变化
作者单位1.Columbia Univ, Dept Appl Phys & Appl Math, New York, NY 10027 USA;
2.Columbia Univ, Dept Appl Phys & Appl Math, Dept Earth & Environm Sci, New York, NY USA;
3.Columbia Univ, Lamont Doherty Earth Observ, New York, NY USA
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Chiodo, G.,Polvani, L. M.,Previdi, M.. Large Increase in Incident Shortwave Radiation due to the Ozone Hole Offset by High Climatological Albedo over Antarctica[J]. JOURNAL OF CLIMATE,2017,30(13).
APA Chiodo, G.,Polvani, L. M.,&Previdi, M..(2017).Large Increase in Incident Shortwave Radiation due to the Ozone Hole Offset by High Climatological Albedo over Antarctica.JOURNAL OF CLIMATE,30(13).
MLA Chiodo, G.,et al."Large Increase in Incident Shortwave Radiation due to the Ozone Hole Offset by High Climatological Albedo over Antarctica".JOURNAL OF CLIMATE 30.13(2017).
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