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@PHDTHESIS{Rhode:1020915,
author = {Rhode, Sebastian},
title = {{M}odeling orographic gravity waves from source to
termination to improve parameterization schemes in climate
models},
school = {Bergische Universität Wuppertal},
type = {Dissertation},
reportid = {FZJ-2024-00391},
pages = {156},
year = {2023},
note = {Dissertation, Bergische Universität Wuppertal, 2023},
abstract = {Gravity waves (GWs) are one of the most important drivers
of middle atmospheric circulationsand strongly affect the
polar vortex of the winter hemisphere. These waves are
ofcomparatively small horizontal scales and are generated by
a multitude of processes, of whichwind flow over orography
and convection are the most common. The resolution of
today’sclimate models is, however, too coarse for
resolving GWs explicitly; therefore, they need tobe
parameterized within long-term climate projections. These
parameterizations are a firstapproximation of the GW’s
effect on the atmosphere. A technical shortcoming common
toparameterization schemes is their vertical column-wise
application without the possibilityof horizontal
communication between adjacent grid cells due to
computation-cost intensity.Hence, parametrization schemes do
not account for the horizontal propagation of GWs,
eventhough many studies show the far propagation of gravity
waves (and especially mountainwaves, MWs) from their
sources. This horizontal propagation transports the
momentumcarried by the orographic GWs away from regions of
high orographic variability; therebyspreading the effect of
the orography on the atmosphere dynamics. Studies attribute
highvariability and model biases in the southern hemisphere
to this lack of this horizontal propagationof mountain waves
within climate models...},
cin = {IEK-7},
cid = {I:(DE-Juel1)IEK-7-20101013},
pnm = {2112 - Climate Feedbacks (POF4-211)},
pid = {G:(DE-HGF)POF4-2112},
typ = {PUB:(DE-HGF)11},
doi = {10.34734/FZJ-2024-00391},
url = {https://juser.fz-juelich.de/record/1020915},
}