000279613 001__ 279613 000279613 005__ 20240712100853.0 000279613 0247_ $$2doi$$a10.5194/acp-15-13699-2015 000279613 0247_ $$2ISSN$$a1680-7316 000279613 0247_ $$2ISSN$$a1680-7324 000279613 0247_ $$2Handle$$a2128/9579 000279613 0247_ $$2WOS$$aWOS:000367189600026 000279613 037__ $$aFZJ-2015-07497 000279613 082__ $$a550 000279613 1001_ $$0P:(DE-Juel1)129164$$aVogel, B.$$b0$$eCorresponding author$$ufzj 000279613 245__ $$aImpact of different Asian source regions on the composition of the Asian monsoon anticyclone and of the extratropical lowermost stratosphere 000279613 260__ $$aKatlenburg-Lindau$$bEGU$$c2015 000279613 3367_ $$0PUB:(DE-HGF)16$$2PUB:(DE-HGF)$$aJournal Article$$bjournal$$mjournal$$s1450082509_20497 000279613 3367_ $$2DataCite$$aOutput Types/Journal article 000279613 3367_ $$00$$2EndNote$$aJournal Article 000279613 3367_ $$2BibTeX$$aARTICLE 000279613 3367_ $$2ORCID$$aJOURNAL_ARTICLE 000279613 3367_ $$2DRIVER$$aarticle 000279613 520__ $$aThe impact of different boundary layer source regions in Asia on the chemical composition of the Asian monsoon anticyclone, considering its intraseasonal variability in 2012, is analysed by simulations of the Chemical Lagrangian Model of the Stratosphere (CLaMS) using artificial emission tracers. The horizontal distribution of simulated CO, O3, and artificial emission tracers for India/China are in good agreement with patterns found in satellite measurements of O3 and CO by the Aura Microwave Limb Sounder (MLS). Using in addition, correlations of artificial emission tracers with potential vorticity demonstrates that the emission tracer for India/China is a very good proxy for spatial distribution of trace gases within the Asian monsoon anticyclone. The Asian monsoon anticyclone constitutes a horizontal transport barrier for emission tracers and is highly variable in location and shape. From the end of June to early August, a northward movement of the anticyclone and, during September, a strong broadening of the spatial distribution of the emission tracer for India/China towards the tropics are found. In addition to the change of the location of the anticyclone, the contribution of different boundary source regions to the composition of the Asian monsoon anticyclone in the upper troposphere strongly depends on its intraseasonal variability and is therefore more complex than hitherto believed. The largest contributions to the composition of the air mass in the anticyclone are found from northern India and Southeast Asia at a potential temperature of 380 K. In the early (mid-June to mid-July) and late (September) period of the 2012 monsoon season, contributions of emissions from Southeast Asia are highest; in the intervening period (early August), emissions from northern India have the largest impact. Our findings show that the temporal variation of the contribution of different convective regions is imprinted in the chemical composition of the Asian monsoon anticyclone.Air masses originating in Southeast Asia are found both within and outside of the Asian monsoon anticyclone because these air masses experience, in addition to transport within the anticyclone, upward transport at the southeastern flank of the anticyclone and in the tropics. Subsequently, isentropic poleward transport of these air masses occurs at around 380 K with the result that the extratropical lowermost stratosphere in the Northern Hemisphere is flooded by the end of September with air masses originating in Southeast Asia. Even after the breakup of the anticyclonic circulation (around the end of September), significant contributions of air masses originating in India/China are still found in the upper troposphere over Asia. Our results demonstrate that emissions from India, China, and Southeast Asia have a significant impact on the chemical composition of the lowermost stratosphere of the Northern Hemisphere, in particular at the end of the monsoon season in September/October 2012. 000279613 536__ $$0G:(DE-HGF)POF3-244$$a244 - Composition and dynamics of the upper troposphere and middle atmosphere (POF3-244)$$cPOF3-244$$fPOF III$$x0 000279613 588__ $$aDataset connected to CrossRef 000279613 7001_ $$0P:(DE-Juel1)129123$$aGünther, G.$$b1$$ufzj 000279613 7001_ $$0P:(DE-Juel1)129138$$aMüller, Rolf$$b2$$ufzj 000279613 7001_ $$0P:(DE-Juel1)129122$$aGrooss, Jens-Uwe$$b3$$ufzj 000279613 7001_ $$0P:(DE-Juel1)129145$$aRiese, M.$$b4$$ufzj 000279613 773__ $$0PERI:(DE-600)2069847-1$$a10.5194/acp-15-13699-2015$$gVol. 15, no. 23, p. 13699 - 13716$$n23$$p13699 - 13716$$tAtmospheric chemistry and physics$$v15$$x1680-7324$$y2015 000279613 8564_ $$uhttps://juser.fz-juelich.de/record/279613/files/acp-15-13699-2015.pdf$$yOpenAccess 000279613 8564_ $$uhttps://juser.fz-juelich.de/record/279613/files/acp-15-13699-2015.gif?subformat=icon$$xicon$$yOpenAccess 000279613 8564_ $$uhttps://juser.fz-juelich.de/record/279613/files/acp-15-13699-2015.jpg?subformat=icon-1440$$xicon-1440$$yOpenAccess 000279613 8564_ $$uhttps://juser.fz-juelich.de/record/279613/files/acp-15-13699-2015.jpg?subformat=icon-180$$xicon-180$$yOpenAccess 000279613 8564_ $$uhttps://juser.fz-juelich.de/record/279613/files/acp-15-13699-2015.jpg?subformat=icon-640$$xicon-640$$yOpenAccess 000279613 8564_ $$uhttps://juser.fz-juelich.de/record/279613/files/acp-15-13699-2015.pdf?subformat=pdfa$$xpdfa$$yOpenAccess 000279613 909CO $$ooai:juser.fz-juelich.de:279613$$pdnbdelivery$$pVDB$$pVDB:Earth_Environment$$pdriver$$popen_access$$popenaire 000279613 9141_ $$y2015 000279613 915__ $$0LIC:(DE-HGF)CCBY3$$2HGFVOC$$aCreative Commons Attribution CC BY 3.0 000279613 915__ $$0StatID:(DE-HGF)0200$$2StatID$$aDBCoverage$$bSCOPUS 000279613 915__ $$0StatID:(DE-HGF)1150$$2StatID$$aDBCoverage$$bCurrent Contents - Physical, Chemical and Earth Sciences 000279613 915__ $$0StatID:(DE-HGF)0500$$2StatID$$aDBCoverage$$bDOAJ 000279613 915__ $$0StatID:(DE-HGF)0110$$2StatID$$aWoS$$bScience Citation Index 000279613 915__ $$0StatID:(DE-HGF)0111$$2StatID$$aWoS$$bScience Citation Index Expanded 000279613 915__ $$0StatID:(DE-HGF)0150$$2StatID$$aDBCoverage$$bWeb of Science Core Collection 000279613 915__ $$0StatID:(DE-HGF)0510$$2StatID$$aOpenAccess 000279613 915__ $$0StatID:(DE-HGF)9905$$2StatID$$aIF >= 5$$bATMOS CHEM PHYS : 2014 000279613 915__ $$0StatID:(DE-HGF)0310$$2StatID$$aDBCoverage$$bNCBI Molecular Biology Database 000279613 915__ $$0StatID:(DE-HGF)0100$$2StatID$$aJCR$$bATMOS CHEM PHYS : 2014 000279613 915__ $$0StatID:(DE-HGF)0300$$2StatID$$aDBCoverage$$bMedline 000279613 915__ $$0StatID:(DE-HGF)0199$$2StatID$$aDBCoverage$$bThomson Reuters Master Journal List 000279613 9101_ $$0I:(DE-588b)5008462-8$$6P:(DE-Juel1)129164$$aForschungszentrum Jülich GmbH$$b0$$kFZJ 000279613 9101_ $$0I:(DE-588b)5008462-8$$6P:(DE-Juel1)129123$$aForschungszentrum Jülich GmbH$$b1$$kFZJ 000279613 9101_ $$0I:(DE-588b)5008462-8$$6P:(DE-Juel1)129138$$aForschungszentrum Jülich GmbH$$b2$$kFZJ 000279613 9101_ $$0I:(DE-588b)5008462-8$$6P:(DE-Juel1)129122$$aForschungszentrum Jülich GmbH$$b3$$kFZJ 000279613 9101_ $$0I:(DE-588b)5008462-8$$6P:(DE-Juel1)129145$$aForschungszentrum Jülich GmbH$$b4$$kFZJ 000279613 9131_ $$0G:(DE-HGF)POF3-244$$1G:(DE-HGF)POF3-240$$2G:(DE-HGF)POF3-200$$3G:(DE-HGF)POF3$$4G:(DE-HGF)POF$$aDE-HGF$$bErde und Umwelt$$lAtmosphäre und Klima$$vComposition and dynamics of the upper troposphere and middle atmosphere$$x0 000279613 9201_ $$0I:(DE-Juel1)IEK-7-20101013$$kIEK-7$$lStratosphäre$$x0 000279613 9801_ $$aUNRESTRICTED 000279613 9801_ $$aFullTexts 000279613 980__ $$ajournal 000279613 980__ $$aVDB 000279613 980__ $$aUNRESTRICTED 000279613 980__ $$aI:(DE-Juel1)IEK-7-20101013 000279613 981__ $$aI:(DE-Juel1)ICE-4-20101013