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Effects of planetary wave‐breaking on the seasonal variation of total column ozone
Author(s) -
Nathan Terrence R.,
Cordero Eugene C.,
Li Long,
Wuebbles Donald J.
Publication year - 2000
Publication title -
geophysical research letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.007
H-Index - 273
eISSN - 1944-8007
pISSN - 0094-8276
DOI - 10.1029/1999gl010891
Subject(s) - stratosphere , atmospheric sciences , northern hemisphere , ozone , zonal and meridional , southern hemisphere , atmosphere (unit) , latitude , climatology , environmental science , middle latitudes , radiative transfer , mixing ratio , seasonality , breaking wave , geology , physics , meteorology , wave propagation , statistics , mathematics , geodesy , quantum mechanics
The effects of planetary wave breaking on the seasonal variation of total column ozone are investigated using a zonally averaged chemical‐radiative‐transport model of the atmosphere. The planetary wave breaking effects of zonal wavenumbers k =1 and k =2 are significant in the middle latitude stratosphere during Northern Hemisphere (NH) winter, whereas only wave k =1 is important during Southern Hemisphere (SH) winter. The mixing and induced meridional circulation due to the planetary wave breaking increases the seasonal variation of total column ozone in NH (SH) middle latitudes by ∼20% (∼10%).
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