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Article Dans Une Revue Elementa: Science of the Anthropocene Année : 2022

Overview of the MOSAiC expedition: Snow and sea ice

Marcel Nicolaus , Donald Perovich , Gunnar Spreen , Mats Granskog , Luisa von Albedyll , Michael Angelopoulos , Philipp Anhaus , Stefanie Arndt , H. Jakob Belter , Vladimir Bessonov , Gerit Birnbaum , Jörg Brauchle , Radiance Calmer , Estel Cardellach , Bin Cheng , David Clemens-Sewall , Ruzica Dadic , Ellen Damm , Gijs de Boer , Oguz Demir , Klaus Dethloff , Dmitry Divine , Allison Fong , Steven Fons , Markus Frey , Niels Fuchs , Carolina Gabarró , Sebastian Gerland , Helge Goessling , Rolf Gradinger , Jari Haapala , Christian Haas , Jonathan Hamilton , Henna-Reetta Hannula , Stefan Hendricks , Andreas Herber , Céline Heuzé , Mario Hoppmann , Knut Vilhelm Høyland , Marcus Huntemann , Jennifer Hutchings , Byongjun Hwang , Polona Itkin , Hans-Werner Jacobi (1) , Matthias Jaggi , Arttu Jutila , Lars Kaleschke , Christian Katlein , Nikolai Kolabutin , Daniela Krampe , Steen Savstrup Kristensen , Thomas Krumpen , Nathan Kurtz , Astrid Lampert , Benjamin Allen Lange , Ruibo Lei , Bonnie Light , Felix Linhardt , Glen Liston , Brice Loose , Amy Macfarlane , Mallik Mahmud , Ilkka Matero , Sönke Maus , Anne Morgenstern , Reza Naderpour , Vishnu Nandan , Alexey Niubom , Marc Oggier , Natascha Oppelt , Falk Pätzold , Christophe Perron , Tomasz Petrovsky , Roberta Pirazzini , Chris Polashenski , Benjamin Rabe , Ian Raphael , Julia Regnery , Markus Rex , Robert Ricker , Kathrin Riemann-Campe , Annette Rinke , Jan Rohde , Evgenii Salganik , Randall Scharien , Martin Schiller , Martin Schneebeli , Maximilian Semmling , Egor Shimanchuk , Matthew Shupe , Madison Smith , Vasily Smolyanitsky , Vladimir Sokolov , Tim Stanton , Julienne Stroeve , Linda Thielke , Anna Timofeeva , Rasmus Tage Tonboe , Aikaterini Tavri , Michel Tsamados , David Wagner , Daniel Watkins , Melinda Webster , Manfred Wendisch
Marcel Nicolaus
Donald Perovich
Gunnar Spreen
Mats Granskog
Luisa von Albedyll
Michael Angelopoulos
  • Fonction : Auteur
Philipp Anhaus
Stefanie Arndt
H. Jakob Belter
Vladimir Bessonov
  • Fonction : Auteur
Gerit Birnbaum
Jörg Brauchle
Radiance Calmer
  • Fonction : Auteur
Estel Cardellach
Bin Cheng
David Clemens-Sewall
Ruzica Dadic
Ellen Damm
Gijs de Boer
Oguz Demir
Klaus Dethloff
  • Fonction : Auteur
Dmitry Divine
Allison Fong
Steven Fons
Markus Frey
Niels Fuchs
Carolina Gabarró
Sebastian Gerland
Helge Goessling
Rolf Gradinger
Jari Haapala
Christian Haas
Jonathan Hamilton
Henna-Reetta Hannula
Stefan Hendricks
Andreas Herber
Céline Heuzé
Mario Hoppmann
  • Fonction : Auteur
Knut Vilhelm Høyland
  • Fonction : Auteur
Marcus Huntemann
Jennifer Hutchings
  • Fonction : Auteur
Byongjun Hwang
Polona Itkin
Matthias Jaggi
Arttu Jutila
Lars Kaleschke
Christian Katlein
Nikolai Kolabutin
Daniela Krampe
Steen Savstrup Kristensen
Thomas Krumpen
Nathan Kurtz
Astrid Lampert
Benjamin Allen Lange
Ruibo Lei
Bonnie Light
Felix Linhardt
Glen Liston
Brice Loose
Amy Macfarlane
Mallik Mahmud
Ilkka Matero
Sönke Maus
  • Fonction : Auteur
Anne Morgenstern
Reza Naderpour
Vishnu Nandan
Alexey Niubom
  • Fonction : Auteur
Marc Oggier
Natascha Oppelt
Falk Pätzold
Christophe Perron
  • Fonction : Auteur
Tomasz Petrovsky
  • Fonction : Auteur
Roberta Pirazzini
Chris Polashenski
Benjamin Rabe
Ian Raphael
Julia Regnery
Markus Rex
Robert Ricker
Kathrin Riemann-Campe
Annette Rinke
Jan Rohde
  • Fonction : Auteur
Evgenii Salganik
Randall Scharien
Martin Schiller
Martin Schneebeli
Maximilian Semmling
  • Fonction : Auteur
Egor Shimanchuk
  • Fonction : Auteur
Matthew Shupe
Madison Smith
Vasily Smolyanitsky
  • Fonction : Auteur
Vladimir Sokolov
Tim Stanton
  • Fonction : Auteur
Julienne Stroeve
Linda Thielke
Anna Timofeeva
Rasmus Tage Tonboe
Aikaterini Tavri
Michel Tsamados
David Wagner
Daniel Watkins
Melinda Webster
Manfred Wendisch

Résumé

Year-round observations of the physical snow and ice properties and processes that govern the ice pack evolution and its interaction with the atmosphere and the ocean were conducted during the Multidisciplinary drifting Observatory for the Study of Arctic Climate (MOSAiC) expedition of the research vessel Polarstern in the Arctic Ocean from October 2019 to September 2020. This work was embedded into the interdisciplinary design of the 5 MOSAiC teams, studying the atmosphere, the sea ice, the ocean, the ecosystem, and biogeochemical processes. The overall aim of the snow and sea ice observations during MOSAiC was to characterize the physical properties of the snow and ice cover comprehensively in the central Arctic over an entire annual cycle. This objective was achieved by detailed observations of physical properties and of energy and mass balance of snow and ice. By studying snow and sea ice dynamics over nested spatial scales from centimeters to tens of kilometers, the variability across scales can be considered. On-ice observations of in situ and remote sensing properties of the different surface types over all seasons will help to improve numerical process and climate models and to establish and validate novel satellite remote sensing methods; the linkages to accompanying airborne measurements, satellite observations, and results of numerical models are discussed. We found large spatial variabilities of snow metamorphism and thermal regimes impacting sea ice growth. We conclude that the highly variable snow cover needs to be considered in more detail (in observations, remote sensing, and models) to better understand snow-related feedback processes. The ice pack revealed rapid transformations and motions along the drift in all seasons. The number of coupled ice–ocean interface processes observed in detail are expected to guide upcoming research with respect to the changing Arctic sea ice.
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hal-03633883 , version 1 (07-04-2022)

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Marcel Nicolaus, Donald Perovich, Gunnar Spreen, Mats Granskog, Luisa von Albedyll, et al.. Overview of the MOSAiC expedition: Snow and sea ice. Elementa: Science of the Anthropocene, 2022, 10 (1), ⟨10.1525/elementa.2021.000046⟩. ⟨hal-03633883⟩
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