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Intraseasonal variations of the tropical total ozone and their connection to the Madden-Julian Oscillation

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dc.contributor.author Tian, B.
dc.contributor.author Yung, Y. L.
dc.contributor.author Waliser, D. E.
dc.contributor.author Tyranowski, T.
dc.contributor.author Kuai, L.
dc.contributor.author Fetzer, E. J.
dc.contributor.author Irion, F. W.
dc.date.accessioned 2008-10-21T20:41:17Z
dc.date.available 2008-10-21T20:41:17Z
dc.date.issued 2007-04-21
dc.identifier.citation Geophysical Research Letters, Vol. 34, L08704, 2007, doi:10.1029/2007GL029451 en_US
dc.identifier.clearanceno 06-3752
dc.identifier.uri http://hdl.handle.net/2014/40986
dc.description.abstract We investigate the intraseasonal (30–90 day) variations in satellite-observed tropical total ozone (O3) and their connection to the Madden-Julian Oscillation (MJO). Tropical total O3 intraseasonal variations are large (~±10 DU) and comparable to those in annual and interannual time scales. These O3 anomalies are mainly evident in the subtropics over the Pacific and eastern; hemisphere and propagate slowly eastward (~5 m s-1). The subtropical negative (positive) O3 anomalies are typically collocated with the subtropical upper troposphere anticyclones (cyclones) generated by equatorial MJO convection and flank or lie to the west of the equatorial enhanced (suppressed) MJO convection. The subtropical O3 are anticorrelated with geopotential height anomalies near the tropopause and thus mainly associated with the O3 variability in the stratosphere rather the troposphere. Over the equatorial regions, total O3 anomalies are small. en_US
dc.description.sponsorship NASA/JPL en_US
dc.language.iso en_US en_US
dc.publisher American Geophysical Union. en_US
dc.subject large-scale oscillations en_US
dc.subject atmospheric composition en_US
dc.subject Atmospheric Infrared Sounder (AIRS)
dc.subject ozone
dc.title Intraseasonal variations of the tropical total ozone and their connection to the Madden-Julian Oscillation en_US
dc.type Article en_US


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