INTRODUCTION Overview of the MOSAiC expedition: Snow and sea ice Marcel Nicolaus 1, * , Donald K. Perovich 2 , Gunnar Spreen 3 , Mats A. Granskog 4 , Luisa von Albedyll 1 , Michael Angelopoulos 5 , Philipp Anhaus 1 , Stefanie Arndt 1 , H. Jakob Belter 1 , Vladimir Bessonov 6 , Gerit Birnbaum 1 , Jo ¨rg Brauchle 7 , Radiance Calmer 8 , Estel Cardellach 9 , Bin Cheng 10 , David Clemens-Sewall 2 , Ruzica Dadic 11 , Ellen Damm 1 , Gijs de Boer 8,12,13 , Oguz Demir 14 , Klaus Dethloff 5 , Dmitry V. Divine 4 , Allison A. Fong 1 , Steven Fons 15,16 , Markus M. Frey 17 , Niels Fuchs 1,18 , Carolina Gabarro ´ 19 , Sebastian Gerland 4 , Helge F. Goessling 1 , Rolf Gradinger 20 , Jari Haapala 10 , Christian Haas 1,3 , Jonathan Hamilton 8,13 , Henna-Reetta Hannula 10 , Stefan Hendricks 1 , Andreas Herber 1 , Ce ´ line Heuze ´ 21 , Mario Hoppmann 1 , Knut Vilhelm Høyland 22 , Marcus Huntemann 3 , Jennifer K. Hutchings 23 , Byongjun Hwang 24 , Polona Itkin 20,25 , Hans-Werner Jacobi 26 , Matthias Jaggi 27 , Arttu Jutila 1 , Lars Kaleschke 1 , Christian Katlein 1 , Nikolai Kolabutin 6 , Daniela Krampe 1 , Steen Savstrup Kristensen 28 , Thomas Krumpen 1 , Nathan Kurtz 15 , Astrid Lampert 29 , Benjamin Allen Lange 4 , Ruibo Lei 30 , Bonnie Light 31 , Felix Linhardt 32 , Glen E. Liston 25 , Brice Loose 33 , Amy R. Macfarlane 27 , Mallik Mahmud 34 , Ilkka O. Matero 1 , So ¨nke Maus 22 , Anne Morgenstern 1 , Reza Naderpour 35 , Vishnu Nandan 36 , Alexey Niubom 6 , Marc Oggier 4,37 , Natascha Oppelt 32 , Falk Pa ¨tzold 29 , Christophe Perron 38 , Tomasz Petrovsky 6 , Roberta Pirazzini 10 , Chris Polashenski 2,39 , Benjamin Rabe 1 , Ian A. Raphael 2 , Julia Regnery 1 , Markus Rex 5 , Robert Ricker 1 , Kathrin Riemann-Campe 1 , Annette Rinke 5 , Jan Rohde 1 , Evgenii Salganik 22 , Randall K. Scharien 40 , Martin Schiller 1 , Martin Schneebeli 27 , Maximilian Semmling 41 , Egor Shimanchuk 6 , Matthew D. Shupe 8,13 , Madison M. Smith 31 , Vasily Smolyanitsky 6 , Vladimir Sokolov 6 , Tim Stanton 42 , Julienne Stroeve 36 , Linda Thielke 3 , Anna Timofeeva 6 , Rasmus Tage Tonboe 43 , Aikaterini Tavri 40 , Michel Tsamados 44 , David N. Wagner 27,45 , Daniel Watkins 23 , Melinda Webster 37 , and Manfred Wendisch 46 1 Alfred-Wegener-Institut Helmholtz-Zentrum fu ¨r Polar- und Meeresforschung, Bremerhaven, Germany 2 Thayer School of Engineering, Dartmouth College, Hanover, NH, USA 3 University of Bremen, Bremen, Germany 4 Norwegian Polar Institute, Fram Centre, Tromsø, Norway 5 Alfred-Wegener-Institut Helmholtz-Zentrum fu ¨r Polar- und Meeresforschung, Potsdam, Germany 6 Arctic and Antarctic Research Institute, Saint Petersburg, Russia 7 German Aerospace Center (DLR), Institute of Optical Sensor Systems, Berlin, Germany 8 CIRES,University of Colorado Boulder, Boulder, CO, USA 9 Instituto de Ciencias del Espacio (ICE-CSIC/IEEC), Barcelona, Spain 10 Finnish Meteorological Institute, Helsinki, Finland 11 Victoria University of Wellington, Antarctic Research Centre, Wellington, New Zealand 12 Integrated Remote and In Situ Sampling, University of Colorado Boulder, Boulder, CO, USA 13 NOAA Physical Sciences Laboratory, Boulder, CO,USA 14 The Electro Science Laboratory,The Ohio State University, Columbus, OH, USA 15 NASA Goddard Space Flight Center, Greenbelt, MD, USA 16 University of Maryland, College Park, MD, USA 17 British Antarctic Survey, Natural Environment Research Council, Cambridge, UK 18 Center for Earth System Sustainability, Institute of Oceanography, Universita ¨t Hamburg, Hamburg, Germany 19 Barcelona Expert Center (BEC) and Institute of Marine Science (ICM-CSIC), Barcelona, Spain 20 UiT–The Arctic University of Norway,Tromsø, Norway 21 Department of Earth Sciences, University of Gothenburg, Gothenburg, Sweden 22 Norwegian University of Science and Technology,Trondheim, Norway 23 Oregon State University, Corvallis, OR, USA 24 University of Huddersfield, Huddersfield, UK 25 Cooperative Institute for Research in the Atmosphere, Colorado State University, Fort Collins, CO, USA 26 Institute for Geosciences and Environmental Research (IGE), CNRS/Univ. Grenoble Alpes/IRD/G-INP, Grenoble, France 27 WSL Institute for Snow and Avalanche Research SLF, Davos, Switzerland 28 Technical University of Denmark (DTU), Kongens Lyngby, Denmark 29 Technische Universita ¨t Braunschweig, Institute of Flight Guidance, Braunschweig, Germany 30 Key Laboratory for Polar Science of the MNR, Polar Research Institute of China, Shanghai, China 31 Polar Science Center, Applied Physics Lab, University of Washington, Seattle, WA, USA 32 Christian-Albrechts-Universita ¨t zu Kiel, Institut fu ¨r Geographie, Kiel, Germany 33 The University of Rhode Island, Kingston, RI, USA 34 University of Calgary, Calgary, AB, Canada 35 Eidg. Forschungsanstalt fu ¨r Wald, Schnee und Landschaft, Birmensdorf, Switzerland 36 University of Manitoba, Winnipeg, MB, Canada 37 University of Alaska Fairbanks, Fairbanks, AK, USA 38 Takuvik Joint International Laboratory, Laval University (Canada)-CNRS (France), Que ´bec City, Que ´ bec, Canada 39 U.S. Army Cold Regions Research & Engineering Laboratory, Wainwright, AK, USA 40 University of Victoria, Victoria, BC, Canada 41 German Aerospace Center DLR, Institute for Solar-Terrestrial Physics, Neustrelitz, Germany 42 Naval Postgraduate School and Moss Landing Marine Laboratories, Moss Landing, CA, USA 43 National Space Institute, Lyngby, Denmark 44 University College London, London, UK 45 E ´ cole Polytechnique Fe ´ de ´ rale de Lausanne, Lausanne, Switzerland 46 Leipzig Institute for Meteorology, University of Leipzig, Leipzig, Germany * Corresponding author: Email: marcel.nicolaus@awi.de Nicolaus, M, et al. 2022. Overview of the MOSAiC expedition: Snow and sea ice. Elem Sci Anth, 10: 1. DOI: https://doi.org/10.1525/ elementa.2021.000046 Downloaded from http://online.ucpress.edu/elementa/article-pdf/10/1/000046/780039/elementa.2021.000046.pdf by guest on 07 June 2023