globalchange  > 影响、适应和脆弱性
DOI: 10.1029/2012JD0177092013
论文题名:
The effect of zonal asymmetries in the Brewer-Dobson circulation on ozone and water vapor distributions in the northern middle atmosphere
作者: Bari D.D.; Gabriel A.; Körnich H.; Peters D.W.H.
刊名: Journal of Geophysical Research Atmospheres
ISSN: 21698996
出版年: 2013
卷: 118, 期:9
起始页码: 3447
结束页码: 3466
语种: 英语
Scopus关键词: Atmospherics ; Ozone layer ; Vapors ; Wind ; Atmospheric trace gas ; Atmospheric water vapor ; Brewer-Dobson circulation ; General circulation model ; General circulation model simulations ; Longitudinal variations ; Threedimensional (3-d) ; Water vapor distribution ; Atmospheric chemistry ; asymmetry ; atmospheric transport ; general circulation model ; ozone ; satellite data ; three-dimensional modeling ; trace gas ; water vapor
英文摘要: The longitudinal variations in the time-mean transport by the Brewer-Dobson circulation are studied using a three-dimensional (3-D) residual circulation approach to analyze the effects on zonal asymmetries in stratospheric ozone (O3) and middle atmospheric water vapor (H2O). For January, the monthly mean residual winds, including both the Eulerian flow and the eddy-induced time-mean flow, were derived from general circulation model simulations with interactive chemistry (HAMMONIA), reanalysis (ERA-Interim), and satellite data (Aura/MLS). Extending the picture of the zonal mean two-dimensional Brewer-Dobson circulation, we find a 3-D circulation structure in relation to the zonal wave one in the middle atmosphere, including northward and downward residual winds over northern Europe/Asia with the downwelling directed toward the center of the polar vortex over northern Siberia, as well as southward and upward residual winds over the northern Pacific/Aleutians, and a pronounced cross-polar transport from Asia to North America in the middle stratosphere. The residual advection of O3 and H2O shows that the observed wave one patterns in O3 and H2O are produced by the zonal asymmetries in the residual mass transport in which Eulerian and eddy time-mean transports are largely counteracting. In comparison to observations, the model underestimates the effects of planetary waves but overestimates those of transient waves in configuring the stationary waves in O3 and H2O. Overall, the 3-D residual circulation approach provides a useful diagnostic for understanding regional differences in middle atmospheric trace gas distributions and for validating general circulation models with interactive chemistry. © 2012. American Geophysical Union. All Rights Reserved.
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/63463
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: Faculty of Aeronautics and Astronautics, Department of Meteorological Engineering, Istanbul Technical University, 34469, Istanbul, Turkey; Leibniz-Institute for Atmospheric Physics, University of Rostock, 18225, Kühlungsborn, Germany; Department of Meteorology, Stockholm University, 106 91, Stockholm, Sweden

Recommended Citation:
Bari D.D.,Gabriel A.,Körnich H.,et al. The effect of zonal asymmetries in the Brewer-Dobson circulation on ozone and water vapor distributions in the northern middle atmosphere[J]. Journal of Geophysical Research Atmospheres,2013-01-01,118(9)
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