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Mertens, Christian; Dengler, Marcus; Lahajnar, Niko (2022): ADCP current measurements (38 kHz) during SONNE cruise SO283. PANGAEA, https://doi.org/10.1594/PANGAEA.940259

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Abstract:
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.
Keyword(s):
Acoustic Doppler Current Profiler; ADCP; currents; North Atlantic; South Atlantic; upper ocean
Related to:
Lahajnar, Niko; Andrae, Alexandra; Beier, Sebastian; Heinatz, Knut; Hirschmann, Sophia; Meiritz, Luisa; Mertens, Christian; Rose, Jonathan; Sabbaghzadeh, Bita; Schmidt, Martin; Stake, Jürgen; Stiehler, Jan; Witting, Paul Jasper (2021): Mooring Rescue, Cruise No. SO283, 19 March 2021 - 25 May 2021, Emden (Germany) - Emden (Germany). SONNE-Berichte, Gutachterpanel Forschungsschiffe, SO283, 57 pp, https://doi.org/10.48433/cr_so283
Coverage:
Median Latitude: -10.395856 * Median Longitude: -3.458522 * South-bound Latitude: -33.752900 * West-bound Longitude: -24.927800 * North-bound Latitude: 41.619600 * East-bound Longitude: 17.583300
Date/Time Start: 2021-03-22T19:52:00 * Date/Time End: 2021-05-12T09:59:00
Minimum DEPTH, water: 54.5 m * Maximum DEPTH, water: 1782.5 m
Event(s):
SO283_0_Underway-1 * Latitude Start: 41.619600 * Longitude Start: -12.115600 * Latitude End: 11.505300 * Longitude End: -21.533300 * Date/Time Start: 2021-03-22T19:52:00 * Date/Time End: 2021-05-12T09:59:00 * Campaign: SO283 * Basis: Sonne_2 * Method/Device: Acoustic Doppler Current Profiling (ADCP)
Status:
Curation Level: Enhanced curation (CurationLevelC) * Processing Level: PANGAEA data processing level 3 (ProcLevel3)
Size:
7971900 data points

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