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Hoppmann, Mario; Tippenhauer, Sandra; Fiedler, Björn (2023): Continuous thermosalinograph oceanography along RV POLARSTERN cruise track PS135/2 [dataset]. Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Bremerhaven, PANGAEA, https://doi.org/10.1594/PANGAEA.964295

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Abstract:
Raw data acquired by two SBE21 thermosalinograph and two auxiliary SBE38 temperature sensor (Sea-Bird Scientific, USA) installed in an underway seawater flow-through system on board RV Polarstern were processed to yield a calibrated and validated data set of temperature and salinity along the cruise track. Data were downloaded from DAVIS SHIP data base (https://dship.awi.de) at a resolution of 1 sec, and converted to temperature and conductivity using the pre-deployment factory calibration coefficients. The converted data were averaged to 1 min values, outliers were removed, and sensor drift was corrected using coefficients obtained from a post-season calibration performed at Sea-Bird at the end of the measurement season. Salinity was calculated from internal temperature, conductivity and pressure according to the PSS-78 Practical Salinity Scale. Processed data are provided as 1 min means of seawater temperature, conductivity and salinity, aligned with position data taken from the master track. Quality flags are appended according to the SeaDataNet Data Quality Control Procedures (version from May 2010). More details are described in the attached processing report.
Keyword(s):
Polarstern; PS135; PS135/2; PS135_2; Salinity; T/S data
Related to:
Schulze Tenberge, Yvonne; Fiedler, Björn (2023): The Expedition PS135/1 and PS135/2 of the Research Vessel POLARSTERN to the Atlantic Ocean in 2023. Berichte zur Polar- und Meeresforschung = Reports on Polar and Marine Research, 779, 88 pp, https://doi.org/10.57738/BzPM_0779_2023
Data processing report:
Hoppmann, Mario; Tippenhauer, Sandra (2023): Continuous thermosalinograph oceanography along RV POLARSTERN cruise track PS135_2 Data Processing Report. Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Bremerhaven, Germany, PS135_2_TSG_nav.pdf
Hoppmann, Mario; Tippenhauer, Sandra (2023): General processing report of continuous thermosalinograph oceanography from RV POLARSTERN expeditions: PS131, PS132, PS133_1, PS133_2, PS134, PS135_1, PS135_2. TSG_Data_PS131toPS135_2.pdf
Further details:
Fiedler, Björn (2023): Master tracks in different resolutions of POLARSTERN cruise PS135/2, Mindelo - Bremerhaven, 2023-03-28 – 2023-04-11 [dataset]. Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Bremerhaven, PANGAEA, https://doi.org/10.1594/PANGAEA.961687
Project(s):
DAM Underway Research Data (DAM_Underway)
Physical Oceanography @ AWI (AWI_PhyOce)
Coverage:
Median Latitude: 35.121082 * Median Longitude: -13.017012 * South-bound Latitude: 16.887193 * West-bound Longitude: -25.021787 * North-bound Latitude: 52.821719 * East-bound Longitude: 4.234839
Date/Time Start: 2023-03-28T18:01:00 * Date/Time End: 2023-04-10T10:04:00
Minimum DEPTH, water: 11.0 m * Maximum DEPTH, water: 11.0 m
Event(s):
PS135/2_0_Underway-23 * Latitude Start: 16.751191 * Longitude Start: -25.177080 * Latitude End: 52.816247 * Longitude End: 4.230406 * Date/Time Start: 2023-03-28T18:00:00 * Date/Time End: 2023-04-10T10:01:52 * O2A Registry URI: registry.o2a-data.de * Campaign: PS135/2 (WASCAL-II; Floating-Uni) * Basis: Polarstern * Method/Device: Thermosalinograph (TSG) * Comment: Keel 1
PS135/2_0_Underway-24 * Latitude Start: 16.750416 * Longitude Start: -25.176979 * Latitude End: 52.816974 * Longitude End: 4.230990 * Date/Time Start: 2023-03-28T18:00:00 * Date/Time End: 2023-04-10T10:02:09 * O2A Registry URI: registry.o2a-data.de * Campaign: PS135/2 (WASCAL-II; Floating-Uni) * Basis: Polarstern * Method/Device: Thermosalinograph (TSG) * Comment: Keel 2
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
1DATE/TIMEDate/TimeHoppmann, MarioGeocode – DSHIP system time
2LATITUDELatitudeHoppmann, MarioGeocode – according to master track
3LONGITUDELongitudeHoppmann, MarioGeocode – according to master track
4DEPTH, waterDepth watermHoppmann, MarioGeocode – depth of water inlet of TSG system
5Temperature, waterTemp°CHoppmann, MarioDigital oceanographic thermometer, Sea-Bird, SBE 38
6Quality flag, water temperatureQF water tempHoppmann, MarioSeadatanet flag: Data quality control procedures according to SeaDataNet (2010)Temperature QC flag meanings: 0:no QC, 1:good, 2:probably good, 3:probably bad, 4:bad, 5-7:not used, 8:interpolated, 9:missing
7ConductivityCondmS/cmHoppmann, MarioThermosalinograph (TSG), Sea-Bird, SBE 21 SEACAT
8Temperature, water, internalT intern°CHoppmann, MarioThermosalinograph (TSG), Sea-Bird, SBE 21 SEACAT
9SalinitySalHoppmann, MarioCalculation according to Practical Salinity Scale PSS-78, Lewis and Perkin (1981)
10Quality flag, salinityQF salHoppmann, MarioSeadatanet flag: Data quality control procedures according to SeaDataNet (2010)Salinity QC flag meanings:0:no QC; 1:good; 2:probably good; 3:probably bad; 4:bad; 5-7:not used; 8:interpolated; 9:missing
License:
Creative Commons Attribution 4.0 International (CC-BY-4.0)
Status:
Curation Level: Enhanced curation (CurationLevelC) * Processing Level: PANGAEA data processing level 2 (ProcLevel2)
Size:
109452 data points

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