Overview of the MOSAiC expedition - Atmosphere

Shupe, Matthew D.; Rex, Markus; Blomquist, Byron; Persson, P. Ola G.; Schmale, Julia; Uttal, Taneil; Althausen, Dietrich; Angot, Hélène; Archer, Stephen; Bariteau, Ludovic; Beck, Ivo; Bilberry, John; Bucci, Silvia; Buck, Clifton; Boyer, Matt; Brasseur, Zoé; Brooks, Ian M.; Calmer, Radiance; Cassano, John; Castro, Vagner; Chu, David; Costa, David; Cox, Christopher J.; Creamean, Jessie; Crewell, Susanne; Dahlke, Sandro; Damm, Ellen; de Boer, Gijs; Deckelmann, Holger; Dethloff, Klaus; Dütsch, Marina; Ebell, Kerstin; Ehrlich, André; Ellis, Jody; Engelmann, Ronny; Fong, Allison A.; Frey, Markus M. ORCID:; Gallagher, Michael R.; Ganzeveld, Laurens; Gradinger, Rolf; Graeser, Jürgen; Greenamyer, Vernon; Griesche, Hannes; Griffiths, Steele; Hamilton, Jonathan; Heinemann, Günther; Helmig, Detlev; Herber, Andreas; Heuzé, Céline; Hofer, Julian; Houchens, Todd; Howard, Dean; Inoue, Jun; Jacobi, Hans-Werner; Jaiser, Ralf; Jokinen, Tuija; Jourdan, Olivier; Jozef, Gina; King, Wessley; Kirchgaessner, Amelie ORCID:; Klingebiel, Marcus; Krassovski, Misha; Krumpen, Thomas; Lampert, Astrid; Landing, William; Laurila, Tiia; Lawrence, Dale; Lonardi, Michael; Loose, Brice; Lüpkes, Christof; Maahn, Maximilian; Macke, Andreas; Maslowski, Wieslaw; Marsay, Christopher; Maturilli, Marion; Mech, Mario; Morris, Sara; Moser, Manuel; Nicolaus, Marcel; Ortega, Paul; Osborn, Jackson; Pätzold, Falk; Perovich, Donald K.; Petäjä, Tuukka; Pilz, Christian; Pirazzini, Roberta; Posman, Kevin; Powers, Heath; Pratt, Kerri A.; Preußer, Andreas; Quéléver, Lauriane; Radenz, Martin; Rabe, Benjamin; Rinke, Annette; Sachs, Torsten; Schulz, Alexander; Siebert, Holger; Silva, Tercio; Solomon, Amy; Sommerfeld, Anja; Spreen, Gunnar; Stephens, Mark; Stohl, Andreas; Svensson, Gunilla; Uin, Janek; Viegas, Juarez; Voigt, Christiane; von der Gathen, Peter; Wehner, Birgit; Welker, Jeffrey M.; Wendisch, Manfred; Werner, Martin; Xie, ZhouQing; Yue, Fange. 2022 Overview of the MOSAiC expedition - Atmosphere. Elementa: Science of the Anthropocene, 10 (1), 00060. 54, pp.

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With the Arctic rapidly changing, the needs to observe, understand, and model the changes are essential. To support these needs, an annual cycle of observations of atmospheric properties, processes, and interactions were made while drifting with the sea ice across the central Arctic during the Multidisciplinary drifting Observatory for the Study of Arctic Climate (MOSAiC) expedition from October 2019 to September 2020. An international team designed and implemented the comprehensive program to document and characterize all aspects of the Arctic atmospheric system in unprecedented detail, using a variety of approaches, and across multiple scales. These measurements were coordinated with other observational teams to explore cross-cutting and coupled interactions with the Arctic Ocean, sea ice, and ecosystem through a variety of physical and biogeochemical processes. This overview outlines the breadth and complexity of the atmospheric research program, which was organized into 4 subgroups: atmospheric state, clouds and precipitation, gases and aerosols, and energy budgets. Atmospheric variability over the annual cycle revealed important influences from a persistent large-scale winter circulation pattern, leading to some storms with pressure and winds that were outside the interquartile range of past conditions suggested by long-term reanalysis. Similarly, the MOSAiC location was warmer and wetter in summer than the reanalysis climatology, in part due to its close proximity to the sea ice edge. The comprehensiveness of the observational program for characterizing and analyzing atmospheric phenomena is demonstrated via a winter case study examining air mass transitions and a summer case study examining vertical atmospheric evolution. Overall, the MOSAiC atmospheric program successfully met its objectives and was the most comprehensive atmospheric measurement program to date conducted over the Arctic sea ice. The obtained data will support a broad range of coupled-system scientific research and provide an important foundation for advancing multiscale modeling capabilities in the Arctic.

Item Type: Publication - Article
Digital Object Identifier (DOI):
ISSN: 2325-1026
Additional Keywords: Arctic, Atmosphere, Field campaign
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Date made live: 07 Feb 2022 15:35 +0 (UTC)

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