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@ARTICLE{Tao:203188,
author = {Tao, Mengchu and Konopka, Paul and Ploeger, Felix and
Riese, Martin and Müller, Rolf and Volk, C. Michael},
title = {{I}mpact of stratospheric major warmings and the
quasi-biennial oscillation on the variability of
stratospheric water vapompo},
journal = {Geophysical research letters},
volume = {42},
number = {11},
issn = {0094-8276},
address = {Hoboken, NJ},
publisher = {Wiley},
reportid = {FZJ-2015-05189},
pages = {4599 - 4607},
year = {2015},
abstract = {Based on simulations with the Chemical Lagrangian Model of
the Stratosphere for the 1979–2013 period, driven by the
European Centre for Medium-Range Weather Forecasts
ERA-Interim reanalysis, we analyze the impact of the
quasi-biennial oscillation (QBO) and of Major Stratospheric
Warmings (MWs) on the amount of water vapor entering the
stratosphere during boreal winter. The amplitude of H2O
variation related to the QBO amounts to 0.5 ppmv. The
additional effect of MWs reaches its maximum about
2–4 weeks after the central date of the MW and strongly
depends on the QBO phase. Whereas during the easterly QBO
phase there is a pronounced drying of about 0.3 ppmv about
3 weeks after the MW, the impact of the MW during the
westerly QBO phase is smaller (about 0.2 ppmv) and more
diffusely spread over time. We suggest that the
MW-associated enhanced dehydration combined with a higher
frequency of MWs after the year 2000 may have contributed to
the lower stratospheric water vapor after 2000.},
cin = {IEK-7},
ddc = {550},
cid = {I:(DE-Juel1)IEK-7-20101013},
pnm = {244 - Composition and dynamics of the upper troposphere and
middle atmosphere (POF3-244) / HITEC - Helmholtz
Interdisciplinary Doctoral Training in Energy and Climate
Research (HITEC) (HITEC-20170406)},
pid = {G:(DE-HGF)POF3-244 / G:(DE-Juel1)HITEC-20170406},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000357511200043},
doi = {10.1002/2015GL064443},
url = {https://juser.fz-juelich.de/record/203188},
}