Geerts, Bart, Giangrande, Scott E., McFarquhar, Greg M., Xue, Lulin, Abel, Steven J., Comstock, Jennifer M., Crewell, Susanne ORCID: 0000-0003-1251-5805, DeMott, Paul J., Ebell, Kerstin ORCID: 0000-0002-0042-4968, Field, Paul, Hill, Thomas C. J., Hunzinger, Alexis, Jensen, Michael P., Johnson, Karen L., Juliano, Timothy W., Kollias, Pavlos, Kosovic, Branko, Lackner, Christian, Luke, Ed, Luepkes, Christof, Matthews, Alyssa A., Neggers, Roel ORCID: 0000-0001-9182-3050, Ovchinnikov, Mikhail, Powers, Heath, Shupe, Matthew D., Spengler, Thomas, Swanson, Benjamin E., Tjernstroem, Michael, Theisen, Adam K., Wales, Nathan A., Wang, Yonggang, Wendisch, Manfred ORCID: 0000-0002-4652-5561 and Wu, Peng ORCID: 0000-0001-7066-5487 (2022). The COMBLE Campaign A Study of Marine Boundary Layer Clouds in Arctic Cold-Air Outbreaks. Bull. Amer. Meteorol. Soc., 103 (5). S. E1371 - 19. BOSTON: AMER METEOROLOGICAL SOC. ISSN 1520-0477

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Abstract

One of the most intense air mass transformations on Earth happens when cold air flows from frozen surfaces to much warmer open water in cold-air outbreaks (CAOs), a process captured beautifully in satellite imagery. Despite the ubiquity of the CAO cloud regime over high-latitude oceans, we have a rather poor understanding of its properties, its role in energy and water cycles, and its treatment in weather and climate models. The Cold-Air Outbreaks in the Marine Boundary Layer Experiment (COMBLE) was conducted to better understand this regime and its representation in models. COMBLE aimed to examine the relations between surface fluxes, boundary layer structure, aerosol, cloud, and precipitation properties, and mesoscale circulations in marine CAOs. Processes affecting these properties largely fall in a range of scales where boundary layer processes, convection, and precipitation are tightly coupled, which makes accurate representation of the CAO cloud regime in numerical weather prediction and global climate models most challenging. COMBLE deployed an Atmospheric Radiation Measurement Mobile Facility at a coastal site in northern Scandinavia (69 degrees N), with additional instruments on Bear Island (75 degrees N), from December 2019 to May 2020. CAO conditions were experienced 19% (21%) of the time at the main site (on Bear Island). A comprehensive suite of continuous in situ and remote sensing observations of atmospheric conditions, clouds, precipitation, and aerosol were collected. Because of the clouds' well- defined origin, their shallow depth, and the broad range of observed temperature and aerosol concentrations, the COMBLE dataset provides a powerful modeling testbed for improving the representation of mixed-phase cloud processes in large-eddy simulations and large-scale models.

Item Type: Journal Article
Creators:
CreatorsEmailORCIDORCID Put Code
Geerts, BartUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Giangrande, Scott E.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
McFarquhar, Greg M.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Xue, LulinUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Abel, Steven J.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Comstock, Jennifer M.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Crewell, SusanneUNSPECIFIEDorcid.org/0000-0003-1251-5805UNSPECIFIED
DeMott, Paul J.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Ebell, KerstinUNSPECIFIEDorcid.org/0000-0002-0042-4968UNSPECIFIED
Field, PaulUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Hill, Thomas C. J.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Hunzinger, AlexisUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Jensen, Michael P.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Johnson, Karen L.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Juliano, Timothy W.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Kollias, PavlosUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Kosovic, BrankoUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Lackner, ChristianUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Luke, EdUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Luepkes, ChristofUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Matthews, Alyssa A.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Neggers, RoelUNSPECIFIEDorcid.org/0000-0001-9182-3050UNSPECIFIED
Ovchinnikov, MikhailUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Powers, HeathUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Shupe, Matthew D.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Spengler, ThomasUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Swanson, Benjamin E.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Tjernstroem, MichaelUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Theisen, Adam K.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Wales, Nathan A.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Wang, YonggangUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Wendisch, ManfredUNSPECIFIEDorcid.org/0000-0002-4652-5561UNSPECIFIED
Wu, PengUNSPECIFIEDorcid.org/0000-0001-7066-5487UNSPECIFIED
URN: urn:nbn:de:hbz:38-696727
DOI: 10.1175/BAMS-D-21-0044.1
Journal or Publication Title: Bull. Amer. Meteorol. Soc.
Volume: 103
Number: 5
Page Range: S. E1371 - 19
Date: 2022
Publisher: AMER METEOROLOGICAL SOC
Place of Publication: BOSTON
ISSN: 1520-0477
Language: English
Faculty: Unspecified
Divisions: Unspecified
Subjects: no entry
Uncontrolled Keywords:
KeywordsLanguage
MODEL; CLIMATE; SIMULATIONS; CONVECTION; FEEDBACKS; IMPACT; RADARMultiple languages
Meteorology & Atmospheric SciencesMultiple languages
URI: http://kups.ub.uni-koeln.de/id/eprint/69672

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