Profile observations of the Arctic atmospheric boundary layer with the BELUGA tethered balloon during MOSAiC

During the Multidisciplinary drifting Observatory for the Study of Arctic Climate (MOSAiC) expedition, the Balloon-bornE moduLar Utility for profilinG the lower Atmosphere (BELUGA) was deployed from an ice floe drifting in the Fram Strait from 29 June to 27 July 2020. The BELUGA observations aimed to characterize the cloudy Arctic atmospheric boundary layer above the sea ice using a modular setup of five instrument packages. The in situ measurements included atmospheric thermodynamic and dynamic state parameters (air temperature, humidity, pressure, and three-dimensional wind), broadband solar and terrestrial irradiance, aerosol particle microphysical properties, and cloud particle images. In total, 66 profile observations were collected during 33 balloon flights from the surface to maximum altitudes of 0.3 to 1.5 km. The profiles feature a high vertical resolution of 0.01 m to 1 m, including measurements below, inside, and above frequently occurring low-level clouds. This publication describes the balloon operations, instruments, and the obtained data set. We invite the scientific community for joint analysis and model application of the freely available data on PANGAEA.

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Author Pilz, C.
Lonardi, M.
Egerer, U.
Siebert, H.
Ehrlich, A.
Heymsfield, Andrew J.
Schmitt, C. G.
Shupe, M. D.
Wehner, B.
Wendisch, M.
Publisher UCAR/NCAR - Library
Publication Date 2023-08-10T00:00:00
Digital Object Identifier (DOI) Not Assigned
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Topic Category geoscientificInformation
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Metadata Date 2025-07-11T15:15:33.909183
Metadata Record Identifier edu.ucar.opensky::articles:26597
Metadata Language eng; USA
Suggested Citation Pilz, C., Lonardi, M., Egerer, U., Siebert, H., Ehrlich, A., Heymsfield, Andrew J., Schmitt, C. G., Shupe, M. D., Wehner, B., Wendisch, M.. (2023). Profile observations of the Arctic atmospheric boundary layer with the BELUGA tethered balloon during MOSAiC. UCAR/NCAR - Library. https://n2t.org/ark:/85065/d77w6h7w. Accessed 11 August 2025.

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