PANGAEA_974796 Raw physical oceanography and ocean current velocity data from mooring AURORA1 on the Gakkel Ridge, Arctic Ocean, July 2022 – July 2023 Hoppmann, Mario; von Appen, Wilken-Jon; Allerholt, Jacob; Elliott, Fiona; Engicht, Carina; Dettling, Nicolas; Fer, Ilker; Graupner, Rainer; Lochthofen, Normen; Meyer-Kaiser, Kirstin; Monsees, Matthias; McPherson, Rebecca; Reifenberg, Simon F; Walter, Maren; Schlindwein, Vera; Kanzow, Torsten Raw physical oceanography and ocean current velocity data from mooring AURORA1 on the Gakkel Ridge, Arctic Ocean, July 2022 – July 2023 2026-04-14 PANGAEA Dataset https://doi.pangaea.de/10.1594/PANGAEA.974796 Investigator Mario Hoppmann mario.hoppmann@awi.de Earth Science Event label File content Binary Object Binary Object (File Size) geoscientificInformation Arctic Ocean AURORA1 CTD current meter fouling plate hydrothermal vents larval sampler Mooring ocean currents oceanographic moorings oceanographic time series PS131 PS131_77-1 PS131_77-1, PS137_21-1 PS137 PS137_21-1 Polarstern 2022-07-25 2023-07-03 Complete 82.898 82.903014 -6.25 -6.22982300000001 FRAM FRontiers in Arctic marine Monitoring AWI_PhyOce Physical Oceanography @ AWI access rights needed CC-BY-4.0: Creative Commons Attribution 4.0 International (License comes into effect after moratorium ends) English PANGAEA Data Publisher for Earth & Environmental Science https://www.pangaea.de/ Data Center Contact Michael Diepenbroek info@pangaea.de

Leobener Str.

Bremen Bremen 28359 Germany online 2 data points text/tab-separated-values Kanzow, Torsten (2023): The Expedition PS131 of the Research Vessel Polarstern to the Fram Strait in 2022. Berichte zur Polar- und Meeresforschung = Reports on Polar and Marine Research, 770, 320 pp, https://doi.org/10.57738/BzPM_0770_2023 Schlindwein, Vera (2023): The Expedition PS137 of the Research Vessel POLARSTERN to the Arctic Ocean in 2023. Berichte zur Polar- und Meeresforschung = Reports on Polar and Marine Research, 781, 121 pp, https://doi.org/10.57738/BzPM_0781_2023 Deployment sheet for mooring AURORA1. https://download.pangaea.de/reference/131727/attachments/AURORA1_PS131-PS137_schematic.pdf Kanzow, Torsten (2022): Master tracks in different resolutions of POLARSTERN cruise PS131, Bremerhaven - Bremerhaven, 2022-06-28 - 2022-08-17 [dataset]. Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Bremerhaven, PANGAEA, https://doi.org/10.1594/PANGAEA.951000 Schlindwein, Vera (2023): Master tracks in different resolutions of POLARSTERN cruise PS137, Tromsø - Tromsø, 2023-06-21 - 2023-07-31 [dataset]. Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Bremerhaven, PANGAEA, https://doi.org/10.1594/PANGAEA.963315

Time-series data of physical oceanography and ocean current velocities were obtained from mooring AURORA1 on the Gakkel Ridge from July 2022 to July 2023 to record potential hydrothermal activities related to the Aurora vent field. The mooring was deployed during RV POLARSTERN expedition PS131 (ATWAICE) and recovered during PS137 (ALOIS). The attached archive contains raw data files of five Seabird SBE37 MicroCATs (nominal depths: 114m, 3065m, 3216m, 3367m, 3573m; sampling interval 10min/1h), and four AADI RCM11 current meters (nominal depths: 3064m, 3215m, 3366m, 3572m; sampling interval 2h). The mooring also included four sets of fouling plates and larvae samplers in collaboration with the Woods Hole Oceanographic Institution. Auxiliary information such as sensor calibration sheets, mooring diagrams, and schedule files are also provided, if applicable. The SBE37 MicroCAT at 114m (SN 7729) stopped logging in January 2023 due to low battery. ** For all details see the full metadata description at "https://doi.pangaea.de/10.1594/PANGAEA.974796"! ** The file AURORA1.zip includes all available sensor raw data from mooring AURORA1. The structure of the unzipped folders is mooring->sensor/sampler type->serial number->instrument files. All instruments were synched to UTC before deployment, and the offset after the recovery is supplied in the respective instrument folder, if available. The archive also contains the sensor calibration sheets/files and relevant sampler schedule files, if available. Finally, mooring schematics are also attached as pdfs in the root folder. The authors are grateful to the captains, crews, and technical/scientific staff of the expeditions PS131 and PS137 onboard RV Polarstern. Many individuals have contributed to the conception of the research, the preparation of the instruments, the deployments and recoveries, as well as to the retrieval of the data, which we greatly appreciate. We acknowledge support from the Helmholtz infrastructure program "Frontiers in Arctic Marine Monitoring", and the Alfred-Wegener-Institut Helmholtz-Zentrum für Polar- und Meeresforschung.

https://doi.org/10.17815/jlsrf-3-163 Polarstern https://doi.org/10.57738/BzPM_0770_2023 The Expedition PS131 of the Research Vessel Polarstern to the Fram Strait in 2022 https://doi.org/10.57738/BzPM_0781_2023 The Expedition PS137 of the Research Vessel POLARSTERN to the Arctic Ocean in 2023 https://doi.pangaea.de/10.1594/PANGAEA.951000 Master tracks in different resolutions of POLARSTERN cruise PS131, Bremerhaven - Bremerhaven, 2022-06-28 - 2022-08-17 https://doi.pangaea.de/10.1594/PANGAEA.963315 Master tracks in different resolutions of POLARSTERN cruise PS137, Tromsø - Tromsø, 2023-06-21 - 2023-07-31 https://www.awi.de/en/about-us/organisation/staff/single-view/mario-hoppmann.html https://www.awi.de/en/science/climate-sciences/physical-oceanography.html AWI_PhyOce https://www.awi.de/en/science/research-infrastructure/observatories/ocean-fram.html FRAM PANGAEA_959812 DIF 9.4 2026-04-14 2026-07-07