Physical properties of sea ice cores for biogeochemistry studies measured on legs 1 to 3 of the MOSAiC expedition ...

• Main Authors: Angelopoulos, Michael, Damm, Ellen, Simões Pereira, Patric, Abrahamsson, Katarina, Bauch, Dorothea, Bowman, Jeff S, Castellani, Giulia, Creamean, Jessie, Divine, Dmitry V, Dumitrascu, Adela, Eggers, Lena, Fong, Allison A, Fons, Steven W, Gradinger, Rolf, Granskog, Mats A, Grosse, Julia, Haapala, Jari, Haas, Christian, Hoppe, Clara Jule Marie, Høyland, Knut Vilhelm, Immerz, Antonia, Kolabutin, Nikolai, Krumpen, Thomas, Lei, Ruibo, Marsay, Christopher M, Maus, Sönke, Nicolaus, Marcel, Nubom, Alexey, Oggier, Marc, Olsen, Lasse Mørk, Rember, Robert, Ren, Jian, Rinke, Annette, Sachs, Torsten, Sheikin, Igor, Shimanchuk, Egor, Torres-Valdés, Sinhué, Spahic, Susanne, Stefels, Jacqueline, Stephens, Mark, Torstensson, Anders, Ulfsbo, Adam, Verdugo, Josefa, Wang, Lei, Wischnewski, Laura, Zhan, Liyang
• Format: Article in Journal/Newspaper
• Language: English
• Published: PANGAEA 2022
• Subjects: Arctic Ocean; brine; first-year ice; MOSAiC20192020; MOSAiC_BGC; MOSAiC_ECO; MOSAiC expedition; MOSAiC_ICE; MOSAiC_SNOW; Sea ice; second-year ice; Temperature and Salinity; Arctic Amplification AC3; Arctic Research Icebreaker Consortium A strategy for meeting the needs for marine-based research in the Arctic ARICE; Multidisciplinary drifting Observatory for the Study of Arctic Climate MOSAiC; Ridges - Safe HAVens for ice-associated Flora and Fauna in a Seasonally ice-covered Arctic OCean HAVOC; Arctic; Fram Strait; North Pole
• Online Access: https://dx.doi.org/10.1594/pangaea.943811; https://doi.pangaea.de/10.1594/PANGAEA.943811

We present sea ice temperature and salinity data from first-year ice (FYI) and second-year ice (SYI) relevant to the temporal development of sea ice permeability and brine drainage efficiency from the early growth phase in October 2019 to the onset of spring warming in May 2020. Our dataset was collected in the central Arctic Ocean during the Multidisciplinary drifting Observatory for the Study of Arctic Climate (MOSAiC) Expedition in 2019 to 2020. MOSAiC was an international transpolar drift expedition in which the German icebreaker RV Polarstern anchored into an ice floe to gain new insights into Arctic climate over a full annual cycle. In October 2019, RV Polarstern moored to an ice floe in the Siberian sector of the Arctic at 85 degrees north and 137 degrees east to begin the drift towards the North Pole and the Fram Strait via the Transpolar Drift Stream. The data presented here were collected during the first three legs of the expedition, so all the coring activities took place on the same floe. The ...