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  • 11
    facet.materialart.
    Unknown
    Raw data of physical oceanography during RV MARIA S. MERIAN cruise MSM93 (2023)
    PANGAEA
    Details
    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
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 12
    facet.materialart.
    Unknown
    Raw and converted full-resolution data from ocean microstructure measurements using an MSS profiler during the Polarstern PS131 cruise, ATWAICE (2023)
    PANGAEA
    Details
    Publication Date: 2024-06-12
    Description: Ocean microstructure profiles were collected using an MSS (Microstructure Sensor Profiler, Sea&Sun Technology, Germany) profiler during the Polarstern PS131 cruise, ATWAICE (28 June – 17 August 2022), from ice floes and from the ship. This dataset includes 1) the raw binary data in the instrument-specific MRD files and 2) the full-resolution time series from each channel converted into physical units with no further data processing applied (NetCDF, NC files). A set of two files (MRD and NC) is supplied per profile. The converted data are prepared following the SCOR Working Group ATOMIX guidelines and convention, corresponding to their Level 1. In total, 196 raw data files (cast004 to 199) are submitted. Casts 1 to 3 were from another profiler which flooded and the data are not useful. Out of 196 profiles, 16 were collected from the ship and 180 from sea ice. Of the 196 profile attempts, 10 were aborted, but all files are delivered for completeness. Please see the detailed log spreadsheet for stations and comments in the NC files. Throughout the cruise, the instrument functioned well, except the vibration sensor did not work and the fast thermistor channel produced a cut-off at low end, probably for output that exceeded the range of the A/D converter of the probe. In the later part of the cruise, episodic data transmission errors were encountered. The profiler used was MSS90L (SN 097), a loosely-tethered free-fall instrument equipped with two airfoil probes aligned parallel to each other, a fast-tip thermistor (FP07), an acceleration sensor (for body vibration measurements), conventional CTD sensors for precision measurements, a Turner Design Cyclops-7 in Vivo Chlorophyll/Blue sensor for ChlA fluorescence and a SST-DO, fast optical dissolved oxygen sensor. All channels were sampled at 512 Hz. The instrument was ballasted for a typical fall speed of 0.5 m s-1. The shear probes used were type PNS6, serial numbers C6258 (sensitivity 3.54e-04 at 21C, SHE1) and C6259 (sensitivity 3.99e-4 at 21C, SHE2). A temperature correction for the sensitivity was applied using the average in situ temperature, TM, as (1-0.011*(TC-TM)), where TC=21C. The same sensors were used throughout the cruise and the sensors point downward when the instrument profiles vertically. The deployment of the MSS from the ship was done from the starboard side. Because of the keel of the ship, the upper 15 m of dissipation rate profiles from the ship should be excluded in post-processing. The deployment from sea ice was typically by using a Nansen sled, through a hole, located approximately 100 -250 m away from the ship. The upper 2 m of the dissipation profiles from ice should be excluded in post-processing.
    Keywords: Arctic Ocean; ATWAICE; Binary Object; Cast number; Comment; DATE/TIME; Event label; File content; LATITUDE; LONGITUDE; microstructure; Microstructure Profiler; mixing; MSSP; Polarstern; PS131; PS131_109-1_1; PS131_109-1_2; PS131_109-1_3; PS131_109-1_4; PS131_109-1_5; PS131_109-1_6; PS131_109-1_7; PS131_109-1, Floe Fast-ice; PS131_47-1_1; PS131_47-1_2; PS131_47-1_3; PS131_47-1_4; PS131_47-1_5; PS131_47-1_6; PS131_47-1_7; PS131_47-1, Floe North Visit 1; PS131_48-1_1; PS131_48-1_10; PS131_48-1_11; PS131_48-1_12; PS131_48-1_13; PS131_48-1_2; PS131_48-1_3; PS131_48-1_4; PS131_48-1_5; PS131_48-1_6; PS131_48-1_7; PS131_48-1_8; PS131_48-1_9; PS131_48-1, Floe South Visit 1; PS131_49-1_1; PS131_49-1_10; PS131_49-1_11; PS131_49-1_12; PS131_49-1_13; PS131_49-1_2; PS131_49-1_3; PS131_49-1_4; PS131_49-1_5; PS131_49-1_6; PS131_49-1_7; PS131_49-1_8; PS131_49-1_9; PS131_49-1, Floe Middle Visit 1; PS131_56-1_1; PS131_56-1_2; PS131_56-1, 56_01; PS131_57-1_1; PS131_57-1, 057_01; PS131_57-8_1; PS131_57-8, 057_08; PS131_61-1_1; PS131_61-1, 061_01; PS131_61-8_1; PS131_61-8, 061_08; PS131_65-7_1; PS131_65-7, 065_07; PS131_67-1_1; PS131_67-1_2; PS131_67-1_3; PS131_67-1_4; PS131_67-1_5; PS131_67-1_6; PS131_67-1_7; PS131_67-1_8; PS131_67-1, Floe North Visit 2; PS131_68-1_1; PS131_68-1_2; PS131_68-1_3; PS131_68-1_4; PS131_68-1_5; PS131_68-1_6; PS131_68-1_7; PS131_68-1_8; PS131_68-1, Floe South Visit 2; PS131_69-1_1; PS131_69-1_2; PS131_69-1, 069_01; PS131_69-6_1; PS131_69-6, 069_06; PS131_70-1_1; PS131_70-1_2; PS131_70-1_3; PS131_70-1_4; PS131_70-1_5; PS131_70-1_6; PS131_70-1_7; PS131_70-1, Floe Middle Visit 2; PS131_84-1_1; PS131_84-1_10; PS131_84-1_11; PS131_84-1_12; PS131_84-1_13; PS131_84-1_14; PS131_84-1_15; PS131_84-1_16; PS131_84-1_17; PS131_84-1_18; PS131_84-1_19; PS131_84-1_2; PS131_84-1_20; PS131_84-1_21; PS131_84-1_22; PS131_84-1_23; PS131_84-1_24; PS131_84-1_25; PS131_84-1_26; PS131_84-1_27; PS131_84-1_28; PS131_84-1_29; PS131_84-1_3; PS131_84-1_30; PS131_84-1_31; PS131_84-1_32; PS131_84-1_33; PS131_84-1_34; PS131_84-1_35; PS131_84-1_36; PS131_84-1_37; PS131_84-1_38; PS131_84-1_39; PS131_84-1_4; PS131_84-1_40; PS131_84-1_41; PS131_84-1_42; PS131_84-1_43; PS131_84-1_44; PS131_84-1_45; PS131_84-1_46; PS131_84-1_47; PS131_84-1_48; PS131_84-1_49; PS131_84-1_5; PS131_84-1_50; PS131_84-1_51; PS131_84-1_52; PS131_84-1_53; PS131_84-1_54; PS131_84-1_55; PS131_84-1_56; PS131_84-1_57; PS131_84-1_58; PS131_84-1_59; PS131_84-1_6; PS131_84-1_60; PS131_84-1_61; PS131_84-1_62; PS131_84-1_63; PS131_84-1_64; PS131_84-1_65; PS131_84-1_66; PS131_84-1_67; PS131_84-1_68; PS131_84-1_69; PS131_84-1_7; PS131_84-1_70; PS131_84-1_71; PS131_84-1_72; PS131_84-1_73; PS131_84-1_74; PS131_84-1_8; PS131_84-1_9; PS131_84-1, Floe 24h; PS131_87-3_1; PS131_87-3, 087_03; PS131_87-8_1; PS131_87-8, 087_08; PS131_88-4_1; PS131_88-4, 088_04; PS131_89-1_1; PS131_89-1_10; PS131_89-1_11; PS131_89-1_12; PS131_89-1_13; PS131_89-1_14; PS131_89-1_15; PS131_89-1_16; PS131_89-1_17; PS131_89-1_18; PS131_89-1_19; PS131_89-1_2; PS131_89-1_20; PS131_89-1_21; PS131_89-1_22; PS131_89-1_3; PS131_89-1_4; PS131_89-1_5; PS131_89-1_6; PS131_89-1_7; PS131_89-1_8; PS131_89-1_9; PS131_89-1, Floe North Visit 3; PS131_91-3_1; PS131_91-3_2; PS131_91-3, 091_03; PS131_91-7_1; PS131_91-7, 091_07; PS131_92-1_1; PS131_92-1_2; PS131_92-1_3; PS131_92-1_4; PS131_92-1_5; PS131_92-1, Floe South Visit 3; PS131_93-1_1; PS131_93-1_10; PS131_93-1_11; PS131_93-1_12; PS131_93-1_13; PS131_93-1_14; PS131_93-1_15; PS131_93-1_16; PS131_93-1_2; PS131_93-1_3; PS131_93-1_4; PS131_93-1_5; PS131_93-1_6; PS131_93-1_7; PS131_93-1_8; PS131_93-1_9; PS131_93-1, Floe Middle Visit 3; PS131_94-3_1; PS131_94-3, 094_03; PS131_94-7_1; PS131_94-7_2; PS131_94-7, 094_07; shear probes; Station label; turbulence; turbulence dissipation rate
    Type: Dataset
    Format: text/tab-separated-values, 1973 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 13
    facet.materialart.
    Unknown
    Raw data from Triaxus topAWI (towed ocean profiler of the AWI) during RV POLARSTERN cruise PS131 (2023)
    PANGAEA
    Details
    Publication Date: 2024-06-12
    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 heavy weight (depressor) was employed directly behind the ship to pull the umbilical below the water line before sea ice can close in behind the ship. In addition to a few test dives, three transects across the marginal ice zone north of Svalbard (Yermak Plateau) were collected on PS131 in July/August 2022.
    Keywords: Arctic Ocean; ATWAICE; AWI_PhyOce; Binary Object; Binary Object (File Size); File content; FRAM; Fram Strait; FRontiers in Arctic marine Monitoring; Physical Oceanography @ AWI; Polarstern; PS131; PS131_117-1; PS131_18-1; PS131_36-2; PS131_52-1; PS131_55-1; PS131_64-1; PS131_86-1; PS131_90-1; PS131_95-1; TOPR; Towed Ocean Profiler; Triaxus
    Type: Dataset
    Format: text/tab-separated-values, 16 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
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