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  • 2020-2024  (38)
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Year
  • 11
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    ADCP current measurements (38 kHz) during SONNE cruise SO283 (2022)
    PANGAEA
    Details
    Publication Date: 2023-06-12
    Description: Upper-ocean current velocities were measured along the track of the cruise SO283 (19 March — 25 May 2021) using a vessel-mounted acoustic current Doppler profiler (ADCP). The instrument was a Teledyne RD Instruments 38-kHz Ocean Surveyor, with the transducer was installed 6.5 m below the waterline. The instrument was operated in narrowband mode to achieve the maximum possible range. Velocity data were recorded in 55 32-m bins. The navigational data, as well as heading, pitch and roll data, were recorded together with the velocity measurements by the data acquisition software (VmDAS). The velocity data were converted into earth coordinates and averaged into one-minute intervals. A water track calibration was used to determine misalignment angle (0.199°) and amplitude factor (1.007). The accuracy of the velocity data varies, and depends on the number of available good pings in each depth cell during one measurements interval.
    Keywords: Acoustic Doppler Current Profiler; Acoustic Doppler Current Profiling (ADCP); ADCP; currents; Current velocity, east-west; Current velocity, north-south; DATE/TIME; DEPTH, water; Echo intensity, relative; LATITUDE; LONGITUDE; North Atlantic; Pings, averaged to a double ensemble value; SO283; SO283_0_Underway-1; Sonne_2; South Atlantic; upper ocean; Vessel mounted Acoustic Doppler Current Profiler [38 kHz]; VMADCP-38
    Type: Dataset
    Format: text/tab-separated-values, 7971900 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 12
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    ADCP current measurements (75 kHz) during SONNE cruise SO283 (2022)
    PANGAEA
    Details
    Publication Date: 2023-06-12
    Description: Upper-ocean current velocities were measured along the track of the cruise SO283 (19 March — 25 May 2021) using a vessel-mounted acoustic current Doppler profiler (ADCP). The instrument was a Teledyne RD Instruments 75-kHz Ocean Surveyor, with the transducer was installed 6.5 m below the waterline. The instrument was operated in narrowband mode to achieve the maximum possible range. Velocity data were recorded in 100 8-m bins. The navigational data, as well as heading, pitch and roll data, were recorded together with the velocity measurements by the data acquisition software (VmDAS). The velocity data were converted into earth coordinates and averaged into one-minute intervals. A water track calibration was used to determine misalignment angle (-0.746°) and amplitude factor (1.002). The accuracy of the velocity data varies, and depends on the number of available good pings in each depth cell during one measurements interval.
    Keywords: Acoustic Doppler Current Profiler; Acoustic Doppler Current Profiling (ADCP); ADCP; currents; Current velocity, east-west; Current velocity, north-south; DATE/TIME; DEPTH, water; Echo intensity, relative; LATITUDE; LONGITUDE; North Atlantic; Pings, averaged to a double ensemble value; SO283; SO283_0_Underway-1; Sonne_2; South Atlantic; upper ocean; Vessel mounted Acoustic Doppler Current Profiler [75 kHz]; VMADCP-75
    Type: Dataset
    Format: text/tab-separated-values, 17539368 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 13
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    Physical oceanography during Sonne cruise SO283 (2022)
    PANGAEA
    Details
    Publication Date: 2023-06-12
    Description: During Sonne cruise SO283 in the western South Atlantic (19 March - 25 May, 2021) conductivity, temperature, and depth (CTD) measurements were made out using a SeaBird 9+ instrument equipped with dual sensors for temperature, conductivity and oxygen, as well as Wetlabs fluorescence and turbidity sensors. Calibration for conductivity and oxygen was performed at sea using water samples. The CTD data were reprocessed with the corrections applied. After filtering the alignment of the different sensors in the TC-duct was corrected, the standard pressure and temperature correction was applied and loops are removed using the standard Seabird algorithms. Downcast data were separated and averaged over 0.5 dB intervals.
    Keywords: Conductivity; CTD; CTD, SEA-BIRD SBE 9 plus; CTD/Rosette; CTD-RO; DATE/TIME; DEPTH, water; Event label; Fluorescence; Fluorometer/turbidity meter, WET Labs ECO FLNTU; LATITUDE; LONGITUDE; Number of scans; Oxygen, dissolved; Pressure, water; Salinity; SO283; SO283_10-1; SO283_1-1; SO283_12-2; SO283_13-2; SO283_14-2; SO283_15-1; SO283_16-1; SO283_18-1; SO283_20-2; SO283_2-1; SO283_21-1; SO283_22-1; SO283_23-1; SO283_24-2; SO283_25-1; SO283_26-2; SO283_27-1; SO283_28-1; SO283_29-1; SO283_30-1; SO283_3-1; SO283_31-1; SO283_32-1; SO283_36-1; SO283_37-1; SO283_38-1; SO283_39-1; SO283_4-1; SO283_43-1; SO283_44-1; SO283_47-2; SO283_49-1; SO283_50-1; SO283_5-1; SO283_51-1; SO283_52-1; SO283_53-1; SO283_54-2; SO283_55-1; SO283_56-1; SO283_57-2; SO283_58-2; SO283_59-1; SO283_60-1; SO283_61-1; SO283_62-1; SO283_63-1; SO283_64-1; SO283_65-1; SO283_66-1; SO283_67-1; SO283_68-1; SO283_69-1; SO283_70-1; SO283_7-1; SO283_71-1; SO283_72-1; SO283_73-1; SO283_74-1; SO283_75-1; SO283_76-1; SO283_77-1; SO283_80-1; SO283_81-2; SO283_8-2; SO283_82-1; SO283_83-2; SO283_84-1; SO283_85-1; SO283_86-1; SO283_87-1; SO283_88-1; SO283_89-1; SO283_90-1; SO283_91-1; SO283_9-2; SO283_92-1; SO283_93-1; SO283_94-1; SO283_95-1; SO283_99-1; Sonne_2; South Atlantic; South Atlantic Ocean; Temperature, water; Turbidity (Nephelometric turbidity unit)
    Type: Dataset
    Format: text/tab-separated-values, 2123892 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 14
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    Absolute baroclinic PIES transport expanded with satellite altimetry (2020)
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    Details
    Publication Date: 2023-11-27
    Keywords: 47°N; altimetry; DATE/TIME; Der Nordatlantik als Teil des Erdsystems; east Atlantic basin; meridional transport time series; Nordatlantik; PIES; RACE; Regional Atlantic Circulation and global Change; Transport, baroclinic
    Type: Dataset
    Format: text/tab-separated-values, 27393 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 15
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    Two-way traveltime and de-drifted bottom pressure fluctuation time series in the North Atlantic at station PIES_BP34-1 (2020)
    PANGAEA
    Details
    Publication Date: 2023-11-27
    Keywords: 47°N; altimetry; DATE/TIME; Der Nordatlantik als Teil des Erdsystems; east Atlantic basin; Inverted echo sounder equipped with pressure sensor; meridional transport time series; Nordatlantik; PIES; PIES_BP34-1; Pressure, water; RACE; Regional Atlantic Circulation and global Change; South Atlantic Ocean; Two-way traveltime
    Type: Dataset
    Format: text/tab-separated-values, 847 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 16
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    PIES and altimeter derived time series in the eastern North Atlantic (47°N) and in the North Atlantic at the Mid-Atlantic Ridge (2020)
    PANGAEA
    Details
    Publication Date: 2023-11-27
    Description: For quantification of the exchange of water between the subtropical and subpolar regime in the eastern North Atlantic, data from inverted echo sounders (PIES) that were deployed in 2016-2017 at the 47/48°N transect is used to calculate meridional baroclinic and barotropic transport time series. The baroclinic PIES transport time series is extended to the period 1993-2017 using altimeter data. Furthermore, the correlation between altimeter and PIES derived sea surface height fluctuations is studied using data from PIES deployed at the 47/48°N transect and parallel to the Mid-Atlantic Ridge. In our analysis, we use the presented data as well as data published in Roessler et al. (2015) and Rhein et al. (2019). We find a mean PIES derived meridional northward transport of 12.2 Sv in 2016-2017 and a mean altimeter derived meridional northward transport of 9.1 Sv in 1993-2017. Additionally, we find a significant positive decadal trend in the northward transport of 2.0 Sv ± 1.5 Sv (eastern boundary current not included). This trend is opposite to the negative decadal trend of -7.1 Sv ± 3.9 Sv (western boundary current included) in the northward transport found by Rhein et al. (2019).
    Keywords: 47°N; altimetry; Der Nordatlantik als Teil des Erdsystems; east Atlantic basin; meridional transport time series; Nordatlantik; PIES; RACE; Regional Atlantic Circulation and global Change
    Type: Dataset
    Format: application/zip, 10 datasets
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 17
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    Absolute baroclinic and barotropic PIES transport (2020)
    PANGAEA
    Details
    Publication Date: 2023-11-27
    Keywords: 47°N; altimetry; DATE/TIME; Der Nordatlantik als Teil des Erdsystems; east Atlantic basin; meridional transport time series; Nordatlantik; PIES; RACE; Regional Atlantic Circulation and global Change; Transport, baroclinic + barotropic
    Type: Dataset
    Format: text/tab-separated-values, 1254 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 18
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    Two-way traveltime and de-drifted bottom pressure fluctuation time series in the North Atlantic at station PIES_BP13-3 (2020)
    PANGAEA
    Details
    Publication Date: 2023-11-27
    Keywords: 47°N; altimetry; DATE/TIME; Der Nordatlantik als Teil des Erdsystems; east Atlantic basin; Inverted echo sounder equipped with pressure sensor; meridional transport time series; Nordatlantik; PIES; PIES_BP13-3; Pressure, water; RACE; Regional Atlantic Circulation and global Change; South Atlantic Ocean; Two-way traveltime
    Type: Dataset
    Format: text/tab-separated-values, 1361 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 19
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    Two-way traveltime and de-drifted bottom pressure fluctuation time series in the North Atlantic at station PIES_BP32-1 (2020)
    PANGAEA
    Details
    Publication Date: 2023-11-27
    Keywords: 47°N; altimetry; DATE/TIME; Der Nordatlantik als Teil des Erdsystems; east Atlantic basin; Inverted echo sounder equipped with pressure sensor; meridional transport time series; Nordatlantik; PIES; PIES_BP32-1; Pressure, water; RACE; Regional Atlantic Circulation and global Change; South Atlantic Ocean; Two-way traveltime
    Type: Dataset
    Format: text/tab-separated-values, 845 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 20
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    Two-way traveltime and de-drifted bottom pressure fluctuation time series in the North Atlantic at station PIES_BP33-1 (2020)
    PANGAEA
    Details
    Publication Date: 2023-11-27
    Keywords: 47°N; altimetry; DATE/TIME; Der Nordatlantik als Teil des Erdsystems; east Atlantic basin; Inverted echo sounder equipped with pressure sensor; meridional transport time series; Nordatlantik; PIES; PIES_BP33-1; Pressure, water; RACE; Regional Atlantic Circulation and global Change; South Atlantic Ocean; Two-way traveltime
    Type: Dataset
    Format: text/tab-separated-values, 840 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
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