GSTDTAP  > 地球科学
DOI10.5194/acp-17-3279-2017
Causes of interannual variability over the southern hemispheric tropospheric ozone maximum
Liu, Junhua1,2; Rodriguez, Jose M.2; Steenrod, Stephen D.1,2; Douglass, Anne R.2; Logan, Jennifer A.3; Olsen, Mark A.2,4; Wargan, Krzysztof2,5; Ziemke, Jerald R.2,4
2017-03-07
发表期刊ATMOSPHERIC CHEMISTRY AND PHYSICS
ISSN1680-7316
EISSN1680-7324
出版年2017
卷号17期号:5
文章类型Article
语种英语
国家USA
英文摘要

We examine the relative contribution of processes controlling the interannual variability (IAV) of tropospheric ozone over four sub-regions of the southern hemispheric tropospheric ozone maximum (SHTOM) over a 20-year period. Our study is based on hindcast simulations from the National Aeronautics and Space Administration Global Modeling Initiative chemistry transport model (NASA GMI-CTM) of tropospheric and stratospheric chemistry, driven by assimilated Modern Era Retrospective Analysis for Research and Applications (MERRA) meteorological fields. Our analysis shows that over SHTOM region, the IAV of the stratospheric contribution is the most important factor driving the IAV of upper tropospheric ozone (270 hPa), where ozone has a strong radiative effect. Over the South Atlantic region, the contribution from surface emissions to the IAV of ozone exceeds that from stratospheric input at and below 430 hPa. Over the South Indian Ocean, the IAV of stratospheric ozone makes the largest contribution to the IAV of ozone with little or no influence from surface emissions at 270 and 430 hPa in austral winter. Over the tropical South Atlantic region, the contribution from IAV of stratospheric input dominates in austral winter at 270 hPa and drops to less than half but is still significant at 430 hPa. Emission contributions are not significant at these two levels. The IAV of lightning over this region also contributes to the IAV of ozone in September and December. Over the tropical southeastern Pacific, the contribution of the IAV of stratospheric input is significant at 270 and 430 hPa in austral winter, and emissions have little influence.


领域地球科学
收录类别SCI-E
WOS记录号WOS:000396128600002
WOS关键词TROPICAL UPPER TROPOSPHERE ; BIOMASS BURNING EMISSIONS ; 1997-1998 EL-NINO ; SATELLITE MEASUREMENTS ; COLUMN OZONE ; ATMOSPHERIC CHEMISTRY ; DEEP CONVECTION ; TRANSPORT MODEL ; FIRE EMISSIONS ; ATLANTIC
WOS类目Environmental Sciences ; Meteorology & Atmospheric Sciences
WOS研究方向Environmental Sciences & Ecology ; 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/20557
专题地球科学
作者单位1.Univ Space Res Assoc, GESTAR, Columbia, MD 21044 USA;
2.NASA, Goddard Space Flight Ctr, Greenbelt, MD 20771 USA;
3.Harvard Univ, Sch Engn & Appl Sci, Cambridge, MA 02138 USA;
4.Morgan State Univ, Baltimore, MD 21239 USA;
5.Sci Syst & Applicat Inc, Lanham, MD USA
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GB/T 7714
Liu, Junhua,Rodriguez, Jose M.,Steenrod, Stephen D.,et al. Causes of interannual variability over the southern hemispheric tropospheric ozone maximum[J]. ATMOSPHERIC CHEMISTRY AND PHYSICS,2017,17(5).
APA Liu, Junhua.,Rodriguez, Jose M..,Steenrod, Stephen D..,Douglass, Anne R..,Logan, Jennifer A..,...&Ziemke, Jerald R..(2017).Causes of interannual variability over the southern hemispheric tropospheric ozone maximum.ATMOSPHERIC CHEMISTRY AND PHYSICS,17(5).
MLA Liu, Junhua,et al."Causes of interannual variability over the southern hemispheric tropospheric ozone maximum".ATMOSPHERIC CHEMISTRY AND PHYSICS 17.5(2017).
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