Prominent Midlatitude Circulation Signature in High Asia's Surface Climate During Monsoon

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dc.contributor.authorMölg, Thomas
dc.contributor.authorMaussion, Fabien
dc.contributor.authorCollier, Emily
dc.contributor.authorChiang, John H. C.
dc.contributor.authorScherer, Dieter
dc.date.accessioned2019-12-12T12:32:01Z
dc.date.available2019-12-12T12:32:01Z
dc.date.issued2017-11-18
dc.description©2017. American Geophysical Unionen
dc.description.abstractHigh Asia has experienced strong environmental changes in recent decades, as evident in records of glaciers, lakes, tree rings, and vegetation. The multiscale understanding of the climatic drivers, however, is still incomplete. In particular, few systematic assessments have evaluated to what degree, if at all, the midlatitude westerly circulation modifies local surface climates in the reach of the Indian Summer Monsoon. This paper shows that a southward shift of the upper‐tropospheric westerlies contributes significantly to climate variability in the core monsoon season (July–September) by two prominent dipole patterns at the surface: cooling in the west of High Asia contrasts with warming in the east, while moist anomalies in the east and northwest occur with drying along the southwestern margins. Circulation anomalies help to understand the dipoles and coincide with shifts in both the westerly wave train and the South Asian High, which imprint on air mass advection and local energy budgets. The relation of the variabilities to a well‐established index of midlatitude climate dynamics allows future research on climate proxies to include a fresh hypothesis for the interpretation of environmental changes.en
dc.identifier.eissn2169-8996
dc.identifier.issn2169-897X
dc.identifier.urihttps://depositonce.tu-berlin.de/handle/11303/10483
dc.identifier.urihttp://dx.doi.org/10.14279/depositonce-9435
dc.language.isoenen
dc.rights.urihttp://rightsstatements.org/vocab/InC/1.0/en
dc.subject.ddc550 Geowissenschaftende
dc.subject.otherclimate variabilityen
dc.subject.otherHigh Asiaen
dc.subject.otherclimate proxy dataen
dc.subject.othercirculationen
dc.titleProminent Midlatitude Circulation Signature in High Asia's Surface Climate During Monsoonen
dc.typeArticleen
dc.type.versionpublishedVersionen
dcterms.bibliographicCitation.doi10.1002/2017JD027414en
dcterms.bibliographicCitation.issue23en
dcterms.bibliographicCitation.journaltitleJournal of geophysical research : Atmospheresen
dcterms.bibliographicCitation.originalpublishernameAmerican Geophysical Union (AGU)en
dcterms.bibliographicCitation.originalpublisherplaceHoboken, NJen
dcterms.bibliographicCitation.pageend12,712en
dcterms.bibliographicCitation.pagestart12,702en
dcterms.bibliographicCitation.volume122en
tub.accessrights.dnbfreeen
tub.affiliationFak. 6 Planen Bauen Umwelt::Inst. Ökologie::FG Klimatologiede
tub.affiliation.facultyFak. 6 Planen Bauen Umweltde
tub.affiliation.groupFG Klimatologiede
tub.affiliation.instituteInst. Ökologiede
tub.publisher.universityorinstitutionTechnische Universität Berlinen

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