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@ARTICLE{Okui:1043156,
author = {Okui, Haruka and Wright, Corwin J. and Berthelemy, Peter G.
and Hindley, Neil P. and Hoffmann, Lars and Barnes, Andrew
P.},
title = {{A} {C}onvolutional {N}eural {N}etwork for the {D}etection
of {G}ravity {W}aves in {S}atellite {O}bservations and
{N}umerical {S}imulations},
journal = {Geophysical research letters},
volume = {52},
number = {11},
issn = {0094-8276},
address = {Hoboken, NJ},
publisher = {Wiley},
reportid = {FZJ-2025-02772},
pages = {e2025GL115683},
year = {2025},
abstract = {Comparisons between observed and model-resolved gravity
waves (GWs) are crucial for evaluating general circulation
model (GCM) simulation accuracy and understanding wave
characteristics. However, observational noise often obscures
waves, complicating such comparisons. To address this, we
have developed a GW detection method using a convolutional
neural network (CNN). The CNN is trained on Atmospheric
Infrared Sounder (AIRS) temperatures with labels indicating
wave presence based on Berthelemy et al. (2025,
https://doi.org/10.5194/egusphere-2025-455). Their method
detects noise-induced pixel-to-pixel variations in
horizontal wavelengths; in contrast, the CNN robustly
identify waves even when applied to smoothly varying model
data. Using this method, we compare stratospheric GWs in
boreal winters between AIRS observations and a high-top
GW-permitting GCM, Japanese Atmospheric GCM for Upper
Atmosphere Research (JAGUAR). The results agree well and
exhibit similar interannual variability, with discrepancies
also identified, including a more zonally elongated
distribution of tropical GWs in JAGUAR. This method is
broadly applicable to the future use of satellites for
guiding wave-resolving atmospheric model development.},
cin = {JSC},
ddc = {550},
cid = {I:(DE-Juel1)JSC-20090406},
pnm = {5111 - Domain-Specific Simulation $\&$ Data Life Cycle Labs
(SDLs) and Research Groups (POF4-511)},
pid = {G:(DE-HGF)POF4-5111},
typ = {PUB:(DE-HGF)16},
UT = {WOS:001504302600001},
doi = {10.1029/2025GL115683},
url = {https://juser.fz-juelich.de/record/1043156},
}