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@ARTICLE{Ungermann:884282,
author = {Ungermann, Jörn and Bartolome, Irene and Grießbach,
Sabine and Spang, Reinhold and Rolf, Christian and Krämer,
Martina and Höpfner, Michael and Riese, Martin},
title = {{C}irrus cloud shape detection by tomographic extinction
retrievals from infrared limb emission sounder measurements},
journal = {Atmospheric measurement techniques discussions},
volume = {},
issn = {1867-8610},
address = {Katlenburg-Lindau},
publisher = {Copernicus},
reportid = {FZJ-2020-03174},
pages = {2020-256},
year = {2020},
abstract = {Abstract. An improved cloud index-based method for the
detection of clouds in limb sounder data is presented that
exploits the spatial overlap of measurements to more
precisely detect the location of (optically thin) clouds. A
second method based on a tomographic extinction retrieval is
also presented. Using CALIPSO data and a generic advanced
infrared limb imaging instrument as example for a synthetic
study, the new cloud index method is better in detecting the
horizontal cloud extent in comparison to the traditional
cloud index and has a reduction of false positive cloud
detection events by about 30 $\%.$ The results for the
extinction retrieval show even an improvement of 60 $\%.$ In
a second step, the extinction retrieval is applied to real
3-D measurements of the air-borne limb sounder GLORIA taken
during the Wave-driven ISentropic Exchange (WISE) campaign
to retrieve small-scale cirrus clouds with high spatial
accuracy.},
cin = {IEK-7 / JSC},
ddc = {550},
cid = {I:(DE-Juel1)IEK-7-20101013 / I:(DE-Juel1)JSC-20090406},
pnm = {244 - Composition and dynamics of the upper troposphere and
middle atmosphere (POF3-244) / 511 - Computational Science
and Mathematical Methods (POF3-511)},
pid = {G:(DE-HGF)POF3-244 / G:(DE-HGF)POF3-511},
typ = {PUB:(DE-HGF)16},
doi = {10.5194/amt-2020-256},
url = {https://juser.fz-juelich.de/record/884282},
}