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@ARTICLE{Yue:153463,
author = {Yue, Jia and Thurairajah, Brentha and Hoffmann, Lars and
Alexander, Joan and Chandran, Amal and Taylor, Michael J.
and Russell, James M. and Randall, Cora E. and Bailey, Scott
M.},
title = {{C}oncentric gravity waves in polar mesospheric clouds from
the {C}loud {I}maging and {P}article {S}ize experiment},
journal = {Journal of geophysical research / Atmospheres},
volume = {119},
number = {9},
issn = {0148-0227},
reportid = {FZJ-2014-03061},
pages = {5115–5127},
year = {2014},
abstract = {Five concentric atmospheric gravity wave (AGW) events have
been identified in Polar Mesospheric Cloud (PMC) images of
the summer mesopause region (~82–84 km) made by the
Cloud Imaging and Particle Size (CIPS) instrument on board
the Aeronomy of Ice in the Mesosphere satellite during the
Northern Hemisphere 2007 and 2009 PMC seasons. The AGWs
modulate the PMC albedo, ice water content, and particle
size, creating concentric ring patterns. On only one
occasion (13 July 2007), the concentric AGWs in PMCs were
aligned with AGWs with similar shapes observed in 4.3 µm
radiance in the lower stratosphere, as measured by
Atmospheric Infrared Sounder (AIRS). Coincident AIRS and
Infrared Atmospheric Sounding Interferometer nadir
measurements of 8.1 µm radiance reveal a region of deep
convection in the troposphere close to the estimated centers
of the AGWs in the stratosphere, strongly suggesting that
convection is the wave source. The AGWs in CIPS on 13 July
2007 were ~1000 km away from the observed deep convection.
Three other concentric AGWs in PMCs were 500–1000 km
away from deep convection in the troposphere, while no
convection was observed related to the wave on 29 July 2009.
We perform a 2-D ray tracing study for the AGW event on 13
July 2007. The calculated propagation distance is much
shorter than the distance between the AGWs in PMCs and the
observed convection. The 2-D ray tracing study indicates
that the AGWs in PMCs and in the stratosphere are probably
excited by different tropospheric convective systems.},
cin = {JSC},
ddc = {550},
cid = {I:(DE-Juel1)JSC-20090406},
pnm = {411 - Computational Science and Mathematical Methods
(POF2-411)},
pid = {G:(DE-HGF)POF2-411},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000338340400006},
doi = {10.1002/2013JD021385},
url = {https://juser.fz-juelich.de/record/153463},
}