Raw data files from autonomous instruments installed on Floe Middle in the marginal ice zone northwest of Svalbard in July 2022 as part of RV POLARSTERN expedition PS131 (ATWAICE)
2023
Hoppmann, Mario | Allerholt, Jacob | von Appen, Wilken-Jon | Cheng, Bin | Fer, Ilker | Graupner, Rainer | Haas, Christian | Kawaguchi, Yusuke | Kodaira, Tsubasa | Lei, Ruibo | Lochthofen, Normen | Monsees, Matthias | Neudert, Mara | Nose, Takehiko | Rabault, Jean | Reifenberg, Simon F | Rigor, Ignatius | Schiller, Martin | Waseda, Takuji | Kanzow, Torsten
During Polarstern expedition PS131 (ATWAICE: ATlantic WAter pathways to the ICE), a large number of autonomous instruments were installed on three representative ice floes across the marginal ice zone northwest of Svalbard in July 2022. The aim was to investigate sea ice summer melt processes, with a focus on the contribution of the Atlantic water inflow into the region. The attached .zip file includes raw data files obtained from all instruments deployed on Floe Middle, located between Floe North and Floe South. Depending on the instrument, the data were transmitted via satellite, collected on internal memory, or both. The instruments were installed on Floe Middle on 15 July 2022, revisited for maintenance on 22 July 2022, and partially recovered on 31 July 2022. The sensors included 1 ADCP to measure ocean currents, a CTD buoy (SIT) with 5 SBE37IMP and 3 SBE56, a SIMBA-type ice mass balance buoy to determine ice surface and bottom melt, an OpenMetBuoy (OMB) and IMU logger for wave detection, one GPS drifter to mark the ADCP, and 3 timelapse cameras to document surface changes. All instruments performed as expected. All instruments except one OpenMetBuoy were recovered before leaving the study area on 31 July. The processed data will be provided and linked to when available.
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