The Met Office Unified Model global atmosphere 7.0/7.1 and JULES global land 7.0 configurations

D Walters, AJ Baran, I Boutle, M Brooks… - Geoscientific Model …, 2019 - gmd.copernicus.org
We describe Global Atmosphere 7.0 and Global Land 7.0 (GA7. 0/GL7. 0), the latest science
configurations of the Met Office Unified Model (UM) and the Joint UK Land Environment …

A model intercomparison of CCN-limited tenuous clouds in the high Arctic

RG Stevens, K Loewe, C Dearden… - Atmospheric …, 2018 - acp.copernicus.org
We perform a model intercomparison of summertime high Arctic (> 80∘ N) clouds observed
during the 2008 Arctic Summer Cloud Ocean Study (ASCOS) campaign, when observed …

Contrasting ice formation in Arctic clouds: surface-coupled vs. surface-decoupled clouds

HJ Griesche, K Ohneiser, P Seifert… - Atmospheric …, 2021 - acp.copernicus.org
In the Arctic summer of 2017 (1 June to 16 July) measurements with the OCEANET-
Atmosphere facility were performed during the Polarstern cruise PS106. OCEANET …

[HTML][HTML] Statistics on clouds and their relation to thermodynamic conditions at Ny-Ålesund using ground-based sensor synergy

T Nomokonova, K Ebell, U Löhnert… - Atmospheric …, 2019 - acp.copernicus.org
Abstract The French–German Arctic research base AWIPEV (the Alfred Wegener Institute
Helmholtz Centre for Polar and Marine Research–AWI–and the French Polar Institute Paul …

[HTML][HTML] Preconditioning of overcast-to-broken cloud transitions by riming in marine cold air outbreaks

F Tornow, AS Ackerman… - … Chemistry and Physics, 2021 - acp.copernicus.org
Marine cold air outbreaks (CAOs) commonly form overcast cloud decks that transition into
broken cloud fields downwind, dramatically altering the local radiation budget. In this study …

Vertical distribution of microphysical properties of Arctic springtime low-level mixed-phase clouds over the Greenland and Norwegian seas

G Mioche, O Jourdan, J Delanoë… - Atmospheric …, 2017 - acp.copernicus.org
This study aims to characterize the microphysical and optical properties of ice crystals and
supercooled liquid droplets within low-level Arctic mixed-phase clouds (MPCs). We …

[HTML][HTML] Assessing the vertical structure of Arctic aerosols using balloon-borne measurements

JM Creamean, G de Boer, H Telg, F Mei… - Atmospheric …, 2021 - acp.copernicus.org
The rapidly warming Arctic is sensitive to perturbations in the surface energy budget, which
can be caused by clouds and aerosols. However, the interactions between clouds and …

Further evidence for CCN aerosol concentrations determining the height of warm rain and ice initiation in convective clouds over the Amazon basin

RC Braga, D Rosenfeld, R Weigel… - Atmospheric …, 2017 - acp.copernicus.org
We have investigated how aerosols affect the height above cloud base of rain and ice
hydrometeor initiation and the subsequent vertical evolution of cloud droplet size and …

[HTML][HTML] How important are future marine and shipping aerosol emissions in a warming Arctic summer and autumn?

A Gilgen, WTK Huang, L Ickes… - Atmospheric …, 2018 - acp.copernicus.org
Future sea ice retreat in the Arctic in summer and autumn is expected to affect both natural
and anthropogenic aerosol emissions: sea ice acts as a barrier between the ocean and the …

[HTML][HTML] Physical characteristics of frozen hydrometeors inferred with parameter estimation

AJ Geer - Atmospheric Measurement Techniques, 2021 - amt.copernicus.org
Frozen hydrometeors are found in a huge range of shapes and sizes, with variability on
much smaller scales than those of typical model grid boxes or satellite fields of view. Neither …