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  • 1
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    Alfred-Wegener-Institut Helmholtz-Zentrum für Polar- und Meeresforschung
    In:  EPIC3Berichte zur Polar- und Meeresforschung = Reports on polar and marine research, Bremerhaven, Alfred-Wegener-Institut Helmholtz-Zentrum für Polar- und Meeresforschung, 769, 26 p., ISSN: 1866-3192
    Publication Date: 2023-11-02
    Repository Name: EPIC Alfred Wegener Institut
    Type: "Berichte zur Polar- und Meeresforschung" , notRev
    Format: application/pdf
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  • 2
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    PANGAEA
    In:  Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Bremerhaven
    Publication Date: 2023-03-16
    Keywords: ARK-XXXI/4; AWI_PhyOce; CTD, RBR, RBRConcerto C.T.D.; Physical Oceanography @ AWI; Polarstern; PS109; PS109_RBR-CTD_1; RBR_CTD
    Type: Dataset
    Format: application/zip, 3.3 MBytes
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  • 3
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    PANGAEA
    In:  Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Bremerhaven
    Publication Date: 2023-03-16
    Keywords: ARK-XXX/2, GN05; AWI_PhyOce; CT; Physical Oceanography @ AWI; Polarstern; PS100; PS100-track; Underway cruise track measurements
    Type: Dataset
    Format: application/zip, 31.6 MBytes
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  • 4
    Publication Date: 2024-04-20
    Description: The Teledyne Underway CTD was operated in tow-yo mode: the winch brake is disengaged and the probe is in approximate free-fall at 4m/s to 1m/s vertical speed collecting data for a cast. Then the brake is engaged and the probe is hauled in until it is within 10m horizontal behind the vessel at the sea surface. The winch is then disengaged and the next cast starts. A straight section is collected with the same probe in the water. At the end of the section, the probe is recovered. The data is recorded internally on the probe and only read out once the probe is back on deck. A front in the open ocean region in the vicinity of the ice edge in Fram Strait was searched for with a ~100km long constant depth Triaxus transect on July 8. When a front had been found, it was surveyed in 3D by parallel UCTD sections and drifters were deployed. The front was followed until July 16 with the repeat of parallel UCTD and Triaxus sections. During one UCTD section, an operator error resulted in the fact that the probe appeared to have been started while in fact it had not been started before deployment. In total 21 sections were occupied excluding the section where no data was recorded (station MSM93_62-1).
    Keywords: AC3; Arctic Amplification; AWI_PhyOce; CTD, underway; CTD-UW; FRAM; Fram Strait; FRontiers in Arctic marine Monitoring; GPF 18-1_33; Maria S. Merian; MSM93; MSM93_53-1; MSM93_54-1; MSM93_55-1; MSM93_60-1; MSM93_62-1; MSM93_63-1; MSM93_64-1; MSM93_65-1; MSM93_79-1; MSM93_80-1; MSM93_82-1; MSM93_83-1; MSM93_85-1; MSM93_87-1; MSM93_87-2; MSM93_89-1; MSM93_91-1; MSM93_93-1; MSM93_94-1; MSM93_95-1; North Greenland Sea; Physical Oceanography @ AWI; underway CTD
    Type: Dataset
    Format: application/zip, 14.3 MBytes
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  • 5
    Publication Date: 2024-04-20
    Description: The Teledyne Underway CTD was operated in tow-yo mode: the winch brake is disengaged and the probe is in approximate free-fall at 4m/s to 1m/s vertical speed collecting data for a cast. Then the brake is engaged and the probe is hauled in until it is within 10m horizontal behind the vessel at the sea surface. The winch is then disengaged and the next cast starts. A straight section is collected with the same probe in the water. At the end of the section, the probe is recovered. The data is recorded internally on the probe and only read out once the probe is back on deck. Here we provide 1 m vertically averaged data from the downcasts. The processing follows Ullman and Hebert: “Processing of Underway CTD Data”, Journal of Atmospheric and Oceanic Technology (2014), https://doi.org/10.1175/JTECH-D-13-00200.1. A front in the open ocean region in the vicinity of the ice edge in Fram Strait was searched for with a ~100km long constant depth Triaxus transect on July 8. When a front had been found, it was surveyed in 3D by parallel UCTD sections and drifters were deployed. The front was followed until July 16 with the repeat of parallel UCTD and Triaxus sections. During one UCTD section, an operator error resulted in the fact that the probe appeared to have been started while in fact it had not been started before deployment. In total 21 sections were occupied excluding the section where no data was recorded (station MSM93_62-1).
    Keywords: AC3; Arctic Amplification; AWI_PhyOce; Calculated; CTD, underway; CTD/Rosette; CTD-RO; CTD-UW; DATE/TIME; Density, sigma-theta (0); DEPTH, water; DRIFT; Drifter; Event label; FRAM; Fram Strait; FRontiers in Arctic marine Monitoring; GPF 18-1_33; LATITUDE; LONGITUDE; Maria S. Merian; MSM93; MSM93_53-1; MSM93_54-1; MSM93_55-1; MSM93_56-1; MSM93_60-1; MSM93_63-1; MSM93_64-1; MSM93_65-1; MSM93_80-1; MSM93_81-1; MSM93_82-1; MSM93_83-1; MSM93_85-1; MSM93_87-1; MSM93_87-2; MSM93_89-1; MSM93_91-1; MSM93_93-1; MSM93_94-1; MSM93_95-1; North Greenland Sea; Physical Oceanography @ AWI; Pressure, water; Salinity; Temperature, water; Temperature, water, potential; underway CTD
    Type: Dataset
    Format: text/tab-separated-values, 316450 data points
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  • 6
    Publication Date: 2024-04-20
    Description: The MacArtney Triaxus extended version is a remotely operated towed vehicle (ROTV). It is towed behind the ship between 2 and 10 knots and can undulate in a saw tooth pattern between a few meters below the surface and 350m depth. The umbilical provides power and a fiber optic link to sensors that are mounted on the Triaxus (see SensorWeb). The data collected by the sensors were recorded on separate computers, one computer per sensor (including the flight information from the Triaxus itself). Thus, there are 7 separate data streams saved in separate folders plus a folder with metadata information about the different dives. During long Triaxus operations, new data files would be started approximately every 4 hours, because some of the employed software programs do not allow for backing up of the files while they are still being written to. A front in the open ocean region in the vicinity of the ice edge in Fram Strait was searched for with a ~100km long constant depth Triaxus transect on July 8. When a front had been found, it was surveyed in 3D by parallel UCTD sections and drifters were deployed. The front was followed until July 16 with the repeat of parallel UCTD and Triaxus sections. In total 17 sections were occupied with the Triaxus.
    Keywords: AC3; Arctic Amplification; AWI_PhyOce; Binary Object; Binary Object (File Size); File content; FRAM; Fram Strait; FRontiers in Arctic marine Monitoring; GPF 18-1_33; Iceland Sea; Maria S. Merian; MSM93; MSM93_103-1; MSM93_103-2; MSM93_105-1; MSM93_105-2; MSM93_106-1; MSM93_21-1; MSM93_49-1; MSM93_71-1; MSM93_97-1; MSM93_97-2; North Greenland Sea; Physical Oceanography @ AWI; TOPR; Towed Ocean Profiler; Triaxus
    Type: Dataset
    Format: text/tab-separated-values, 16 data points
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  • 7
    Publication Date: 2024-04-20
    Description: The MacArtney Triaxus extended version is a remotely operated towed vehicle (ROTV). It is towed behind the ship between 2 and 10 knots and can undulate in a saw tooth pattern between a few meters below the surface and 350m depth. The umbilical provides power and a fiber optic link to sensors that are mounted on the Triaxus (see SensorWeb). The different data streams require separate processing. Here we report the data from the Seabird 911+ dual pumped CTD system mounted on the Triaxus. The provided data are 0.5 second or 0.5 meter averages. The operations included profiling mode and constant depth mode. Depth data comes from the CTD's pressure sensor. Position data (latitude, longitude) comes from the ship's GPS system and is corrected for the length of the umbilical behind the ship. Standard Seabird Data processing (SBE Data Processing) were applied. A front in the open ocean region in the vicinity of the ice edge in Fram Strait was searched for with a ~100km long constant depth Triaxus transect on July 8. When a front had been found, it was surveyed in 3D by parallel UCTD sections and drifters were deployed. The front was followed until July 16 with the repeat of parallel UCTD and Triaxus sections. In total 17 sections were occupied with the Triaxus.
    Keywords: AC3; Arctic Amplification; Attenuation, optical beam transmission; AWI_PhyOce; CTD-TRIAXUS; DATE/TIME; Density, sigma-theta (0); DEPTH, water; Event label; Fluorometer; FRAM; Fram Strait; FRontiers in Arctic marine Monitoring; GPF 18-1_33; Iceland Sea; LATITUDE; LONGITUDE; Maria S. Merian; MSM93; MSM93_103-1; MSM93_103-2; MSM93_105-1; MSM93_105-2; MSM93_106-1; MSM93_21-1; MSM93_49-1; MSM93_71-1; MSM93_97-1; MSM93_97-2; North Greenland Sea; Number of observations; Oxygen; Oxygen saturation; Physical Oceanography @ AWI; Pressure, water; Radiation, photosynthetically active; Salinity; Temperature, water; Temperature, water, potential; TOPR; Towed Ocean Profiler; Triaxus
    Type: Dataset
    Format: text/tab-separated-values, 9056033 data points
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  • 8
    Publication Date: 2024-04-20
    Description: Raw physical oceanography data were acquired by a ship-based Seabird SBE911plus CTD-Rosette system onboard Maria S. Merian during research cruise MSM93 to the Fram Strait. In total, 51 hydrographic profiles were acquired as part of 4 main CTD transects, and bottle samples were taken during 44 casts. The installed sensor suite provided duplicate measurements of seawater temperature (SeaBird SBE3plus), conductivity/salinity (SeaBird SBE4) and dissolved oxygen (SeaBird SBE43), along with pressure/depth (SeaBird SBE9), Chl-a fluorescence and turbidity (Wetlabs ECO-FL-NTU), and PAR within the water column. Additionally, a surface PAR sensor was installed on the ship as a reference. Individual sensor pairs suffered from data quality issues throughout most of the campaign, especially in the upper 40 m. In all affected profiles, the duplicate sensor pair was still giving reliable data. The installed PAR did not provide any data.
    Keywords: AC3; Arctic Amplification; Arctic Ocean; AWI_PhyOce; Binary Object; Binary Object (File Size); CTD/Rosette; CTD casts; CTD profile; CTD-RO; Date/Time of event; Event label; File content; FRAM; Fram Strait; FRontiers in Arctic marine Monitoring; GPF 18-1_33; Hausgarten; HAUSGARTEN Long Term Observatory; hydrography; Latitude of event; Light/Optics; LIOP; Longitude of event; Long-term Investigation at AWI-Hausgarten off Svalbard; Maria S. Merian; MSM93; MSM93_100-1; MSM93_10-1; MSM93_101-1; MSM93_102-1; MSM93_107-2; MSM93_107-4; MSM93_11-1; MSM93_12-1; MSM93_13-6; MSM93_14-1; MSM93_15-1; MSM93_16-1; MSM93_17-1; MSM93_18-1; MSM93_19-1; MSM93_20-1; MSM93_26-2; MSM93_27-1; MSM93_28-1; MSM93_29-1; MSM93_39-2; MSM93_40-1; MSM93_4-1; MSM93_41-1; MSM93_42-1; MSM93_43-1; MSM93_44-1; MSM93_45-1; MSM93_46-1; MSM93_47-1; MSM93_48-1; MSM93_50-1; MSM93_51-2; MSM93_52-1; MSM93_56-1; MSM93_57-2; MSM93_58-2; MSM93_59-2; MSM93_66-1; MSM93_67-1; MSM93_68-1; MSM93_69-2; MSM93_70-2; MSM93_84-1; MSM93_86-2; MSM93_88-1; MSM93_90-1; MSM93_9-1; MSM93_92-1; MSM93_98-1; MSM93_99-1; North Greenland Sea; Norwegian Sea; Physical Oceanography @ AWI
    Type: Dataset
    Format: text/tab-separated-values, 408 data points
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  • 9
    Publication Date: 2024-04-22
    Description: Time-series data of physical oceanography and ocean current velocities were obtained from mooring F2-20 in the Fram Strait from July 2020 to July 2022 as part of the Helmholtz infrastructure program Frontiers in Arctic Marine Monitoring (FRAM) and the long-term monitoring program at AWI HAUSGARTEN. The mooring was deployed during RV MARIA S. MERIAN expedition MSM93 and recovered during RV POLARSTERN expedition PS131. The attached archive contains raw data files of three Seabird SBE37 MicroCATs (nominal depths: 17m, 251m, 777m; sampling interval 30m/1h), 10 Seabird SBE56 temperature loggers (nominal depths: 17m, 32m, 52m, 95m, 145m, 200m, 301m, 351m, 402m, 453m; sampling interval 60s), one RDI Longranger ADCP (nominal depth: 401m; sampling interval 2h) and one Nortek Aquadopp current meter (nominal depth: 726m; sampling interval 1h). Auxiliary information such as sensor calibration sheets, mooring diagrams, and schedule files are also provided, if applicable. The SBE56 at 402m was lost. The SBE37 at 251m had power issues and stopped recording after 2 months.
    Keywords: ADCP; Arctic Ocean; ATWAICE; AWI_PhyOce; Binary Object; Binary Object (File Size); CTD; Event label; F2-20; File content; FRAM; FRontiers in Arctic marine Monitoring; GPF 18-1_33; Hausgarten; Long-term Investigation at AWI-Hausgarten off Svalbard; Maria S. Merian; MOOR; Mooring; MSM93; MSM93_13-5; MSM93_13-5, PS131_9-1; North Greenland Sea; oceanographic moorings; oceanographic time series; Physical Oceanography @ AWI; Polarstern; PS131; PS131_9-1
    Type: Dataset
    Format: text/tab-separated-values, 2 data points
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  • 10
    Publication Date: 2024-04-22
    Description: Time-series data of ocean acoustics were obtained from mooring F4-OZA-2 in the Fram Strait from July 2020 to July 2022 as part of the Helmholtz infrastructure program Frontiers in Arctic Marine Monitoring (FRAM) and the long-term monitoring program at AWI HAUSGARTEN. The mooring was deployed during RV MARIA S. MERIAN expedition MSM93 and recovered during RV POLARSTERN expedition PS131. The mooring included an ASL Acoustic Zooplankton Fish Profiler (nominal depth: 167m; data archived elsewhere), an MTE Aural M2 underwater recorder (nominal depth: 300m; data archived elsewhere) and a Develogic Sonovault (nominal depth: 836m; data archived elsewhere). The attached .zip file only contains the mooring diagrams and folder structure.
    Keywords: Arctic Ocean; ATWAICE; AWI_PhyOce; Binary Object; Binary Object (File Size); Event label; F4-OZA-2; File content; FRAM; FRontiers in Arctic marine Monitoring; GPF 18-1_33; Hausgarten; Long-term Investigation at AWI-Hausgarten off Svalbard; Maria S. Merian; MOOR; Mooring; MSM93; MSM93_24-2; MSM93_24-2,PS131_22-1; North Greenland Sea; ocean acoustics; oceanographic moorings; oceanographic time series; Physical Oceanography @ AWI; Polarstern; PS131; PS131_22-1
    Type: Dataset
    Format: text/tab-separated-values, 2 data points
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