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@ARTICLE{Sullivan:858440,
author = {Sullivan, Sylvia C. and Barthlott, Christian and Crosier,
Jonathan and Zhukov, Ilya and Nenes, Athanasios and Hoose,
Corinna},
title = {{T}he effect of secondary ice production parameterization
on the simulation of a cold frontal rainband},
journal = {Atmospheric chemistry and physics},
volume = {18},
issn = {1680-7316},
address = {Katlenburg-Lindau},
publisher = {EGU},
reportid = {FZJ-2018-07321},
pages = {16461-16480},
year = {2018},
abstract = {Secondary ice production via processes like rime
splintering, frozen droplet shattering, and breakup upon ice
hydrometeor collision have been proposed to explain
discrepancies between in-cloud ice crystal and
ice-nucleating particle numbers. To understand the impact of
this additional ice crystal generation on surface
precipitation, we present one of the first studies to
implement frozen droplet shattering and ice–ice
collisional breakup parameterizations in a mesoscale model.
We simulate a cold frontal rainband from the Aerosol
Properties, PRocesses, And InfluenceS on the Earth's Climate
campaign and investigate the impact of the new
parameterizations on the simulated ice crystal number
concentrations (ICNC) and precipitation. Near the convective
regions of the rainband, contributions to ICNC can be as
large from secondary production as from primary nucleation,
but ICNCs greater than 50L−1 remain underestimated by the
model. The addition of the secondary production
parameterizations also clearly intensifies the differences
in both accumulated precipitation and precipitation rate
between the convective towers and non-convective gap
regions. We suggest, then, that secondary ice production
parameterizations be included in large-scale models on the
basis of large hydrometeor concentration and convective
activity criteria.},
cin = {JSC},
ddc = {550},
cid = {I:(DE-Juel1)JSC-20090406},
pnm = {511 - Computational Science and Mathematical Methods
(POF3-511)},
pid = {G:(DE-HGF)POF3-511},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000450808500001},
doi = {10.5194/acp-18-16461-2018},
url = {https://juser.fz-juelich.de/record/858440},
}