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Hoppmann, Mario; Allerholt, Jacob; Boebel, Olaf; Fu, Ke-Hsien; Heuzé, Céline; Huhn, Oliver; Kawaguchi, Yusuke; Koschnick, Nils; Kuznetsov, Ivan; Nordhausen, Axel; Pallentin, Malte; Quintanilla Zurita, Alejandra; Spiesecke, Stefanie; Suresh, Simran; Wong, Carmen Hau Man; Zhu, Jialiang; Boetius, Antje; Bienhold, Christina; Geibert, Walter; Rabe, Benjamin: Physical oceanography and ocean current velocity data from mooring CAO1-01 in the Amundsen Basin, Arctic Ocean, August 2023 – September 2024 [dataset]. PANGAEA, https://doi.pangaea.de/10.1594/PANGAEA.989757 (dataset in review)

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Abstract:
Time-series data of physical oceanography, ocean current velocity, and hydroacoustics were obtained from mooring CAO1-01 in the Amundsen Basin of the central Arctic Ocean in August 2023 – September 2024. The mooring was deployed during RV POLARSTERN expedition PS138 and recovered during PS144. The upper part of the mooring consisted of a 28m long solid plastic tube to protect the rope and shallow instruments from drifting icebergs and sea ice keels. The attached archive contains raw data files of 9 Seabird SBE37 MicroCATs (nominal depths: 8m, 14m, 24m, 30m, 35m, 46m, 51m, 61m, 86m; sampling interval 30min or 1h), 7 Seabird SBE56 temperature logger (nominal depths: 20m, 56m, 66m, 136m, 186m, 243m, 390m; sampling interval 1min), one upward-looking Nortek S500 ADCP (plus external battery pack) mounted on a gimbal in the top segment of the tube (nominal depth 8m; sampling interval 1h for average current measurements, and 4h for wave/burst measurements), and one upward-looking RDI Longranger 75 kHz ADCP (nominal depth: 291m; sampling interval 30min). The mooring also included a Develogic SonoVault hydroacoustic recorder (nominal depth: 267m). Auxiliary information, such as sensor calibration sheets, mooring diagrams, and schedule files, is also provided, if applicable.
Keyword(s):
ADCP; Arctic Ocean; ocean currents; oceanographic moorings; oceanographic time series; tube mooring
Related to:
Boetius, Antje; Bienhold, Christina (2024): The Expedition PS138 of the Research Vessel POLARSTERN to the Arctic Ocean in 2023. Berichte zur Polar- und Meeresforschung = Reports on Polar and Marine Research, 788, 288 pp, https://doi.org/10.57738/BzPM_0788_2024
Rabe, Benjamin; Geibert, Walter (2025): The Expedition PS144 of the Research Vessel POLARSTERN to the Arctic Ocean in 2023 /2024. Berichte zur Polar- und Meeresforschung = Reports on Polar and Marine Research, 794, 312 pp, https://doi.org/10.57738/BZPM_0794_2025
Additional metadata:
Deployment sheet for mooring CAO1-01. CAO1-01_PS138-PS144_deployment-schematic.pdf
Further details:
Boetius, Antje (2023): Master tracks in different resolutions of POLARSTERN cruise PS138, Tromsø - Bremerhaven, 2023-08-02 - 2023-10-01 [dataset]. Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Bremerhaven, PANGAEA, https://doi.org/10.1594/PANGAEA.963843
Rabe, Benjamin; Geibert, Walter (2024): Master tracks in different resolutions of POLARSTERN cruise PS144, Tromsø - Bremerhaven, 2024-08-09 - 2024-10-13 [dataset]. Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Bremerhaven, PANGAEA, https://doi.org/10.1594/PANGAEA.974029
Funding:
Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Bremerhaven (AWI), grant/award no. AWI_PS138_02: Biological Oceanography
Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Bremerhaven (AWI), grant/award no. AWI_PS138_03: Physical and Chemical Oceanography
Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Bremerhaven (AWI), grant/award no. AWI_PS144_03: Phys.Oz. (ArcWatch1/TransArc3)
Horizon 2020 (H2020), grant/award no. 101003472: Pan-Arctic observing System of Systems: Implementing Observations for societal Needs (Arctic PASSION)
Coverage:
Median Latitude: 84.908198 * Median Longitude: 129.417004 * South-bound Latitude: 84.907597 * West-bound Longitude: 128.952693 * North-bound Latitude: 84.909092 * East-bound Longitude: 130.018892
Date/Time Start: 2023-08-31T07:13:58 * Date/Time End: 2024-09-01T19:11:56
Minimum Elevation: -4347.4 m * Maximum Elevation: -4302.0 m
Event(s):
CAO1-01 (PS138_118-1 PS144_34-1) * Latitude Start: 84.907597 * Longitude Start: 128.952693 * Latitude End: 84.909092 * Longitude End: 130.018892 * Date/Time Start: 2023-08-31T07:13:58 * Date/Time End: 2024-09-01T19:11:56 * Elevation Start: -4304.0 m * Elevation End: -4343.8 m * O2A Registry URI: https://registry.o2a-data.de/items/11024 * Campaign: PS138 (ArcWatch-1) * Basis: Polarstern * Method/Device: Mooring (MOOR)
PS138_118-1 (CAO1-01) * Latitude Start: 84.907597 * Longitude Start: 128.952693 * Latitude End: 84.907710 * Longitude End: 129.255817 * Date/Time Start: 2023-08-31T07:13:58 * Date/Time End: 2023-08-31T12:35:31 * Elevation Start: -4304.0 m * Elevation End: -4302.0 m * O2A Registry URI: https://registry.o2a-data.de/items/11024 * Campaign: PS138 (ArcWatch-1) * Basis: Polarstern * Method/Device: Mooring (MOOR) * Comment: Arctic Mooring #1 CAO1-01 deployment
PS144_34-1 (CAO1-01) * Latitude Start: 84.908100 * Longitude Start: 129.303039 * Latitude End: 84.909092 * Longitude End: 130.018892 * Date/Time Start: 2024-09-01T03:30:00 * Date/Time End: 2024-09-01T19:11:56 * Elevation Start: -4347.4 m * Elevation End: -4343.8 m * O2A Registry URI: https://registry.o2a-data.de/items/11024 * Campaign: PS144 (ArcWatch 2; TransArc3) * Basis: Polarstern * Method/Device: Mooring (MOOR) * Comment: recovery
Comment:
The authors are grateful to the captains, crews, and technical/scientific staff of the expeditions PS138 and PS144 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, the Marine Umweltrobotik und Sensorik für nachhaltige Erforschung und Management der Küsten, Meere und Polarregionen infrastructure program, and the Alfred-Wegener-Institut Helmholtz-Zentrum für Polar und Meeresforschung. This mooring contributed to the Arctic PASSION project.
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
1Event labelEventHoppmann, Mario
2File contentContentHoppmann, Mario
3Binary ObjectBinaryHoppmann, MarioMooring (MOOR)
4Binary Object (File Size)Binary (Size)BytesHoppmann, MarioMooring (MOOR)
License:
Creative Commons Attribution 4.0 International (CC-BY-4.0) (License comes into effect after moratorium ends)
Status:
Curation Level: Enhanced curation (CurationLevelC) * Processing Level: PANGAEA data processing level 1 (ProcLevel1)
Size:
2 data points

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