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@ARTICLE{Rhode:1009280,
author = {Rhode, Sebastian and Preusse, Peter and Ern, Manfred and
Ungermann, Jörn and Krasauskas, Lukas and Bacmeister, Julio
and Riese, Martin},
title = {{A} mountain ridge model for quantifying oblique mountain
wave propagation and distribution},
journal = {Atmospheric chemistry and physics},
volume = {23},
number = {14},
issn = {1680-7316},
address = {Katlenburg-Lindau},
publisher = {EGU},
reportid = {FZJ-2023-02731},
pages = {7901 - 7934},
year = {2023},
abstract = {Following the current understanding of gravity waves (GWs)
and especially mountain waves (MWs), they have a high
potential for horizontal propagation from their source. This
horizontal propagation and therefore the transport of energy
is usually not well represented in MW parameterizations of
numerical weather prediction and general circulation models.
In this study, we present a mountain wave model (MWM) for
the quantification of horizontal propagation of orographic
gravity waves. This model determines MW source locations
from topography data and estimates MW parameters from a fit
of idealized Gaussian-shaped mountains to the elevation.
Propagation and refraction of these MWs in the atmosphere
are modeled using the Gravity-wave Regional Or Global Ray
Tracer (GROGRAT). Ray tracing of each MW individually allows
for an estimation of momentum transport due to both vertical
and horizontal propagation. The MWM is a capable tool for
the analysis of MW propagation and global MW activity and
can support the understanding of observations and
improvement of MW parameterizations in GCMs. This study
presents the model itself and gives validations of
MW-induced temperature perturbations to ECMWF Integrated
Forecast System (IFS) numerical weather prediction data and
estimations of GW momentum flux (GWMF) compared to HIgh
Resolution Dynamics Limb Sounder (HIRDLS) satellite
observations. The MWM is capable of reproducing the general
features and amplitudes of both of these data sets and, in
addition, is used to explain some observational features by
investigating MW parameters along their trajectories.},
cin = {IEK-7},
ddc = {550},
cid = {I:(DE-Juel1)IEK-7-20101013},
pnm = {2112 - Climate Feedbacks (POF4-211) / Verbundprojekt
QUBICC: Rolle der mittleren Atmosphäre bezogen auf das
Klima (ROMIC II) - Teilprojekt 3: Tropische Wellen aus
Beobachtungen und Reanalysen (01LG1905C) / Rolle der
mittleren Atmosphäre bezogen auf das Klima (ROMIC-II) -
Verbundprojekt WASCLIM - Teilprojekt 4: GLORIA Beobachtungen
und Source Transfer Parametrisation (STP) (01LG1907D)},
pid = {G:(DE-HGF)POF4-2112 / G:(BMBF)01LG1905C /
G:(BMBF)01LG1907D},
typ = {PUB:(DE-HGF)16},
UT = {WOS:001030413300001},
doi = {10.5194/acp-23-7901-2023},
url = {https://juser.fz-juelich.de/record/1009280},
}