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Mohrholz, Volker; Kolbe, Martin; Wagner, Robert; Kohn, Josef (2023): Physical oceanography during RV MARIA S. MERIAN cruise MSM105 [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.956306

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Abstract:
Physical oceanography data was acquired by a ship-based Seabird SBE911plus CTD-Rosette system onboard RV MARIA S. MERIAN during research cruise MSM105. The CTD system is comprised of a Seabird SBE911plus including dual respectively redundant sensor and pump packages. The SBE11plus Deck Unit remains on board in a laboratory and supplies on one hand power to the SBE9plus underwater unit, on the other hand data telemetry between the SBE9plus and a measurement PC. The SBE9plus underwater unit itself holds a pressure sensor and is interfacing with dual SEB3 temperature, SBE4 conductivity and SBE43 oxygen sensors and two SBE5 pumps to provide a pumped water supply past each sensor. The system also carries an optical FLNTU sensor to measure a combinations of back-scattering, turbidity, and chlorophyll-a. To quantify the photo-synthetically active radiation a PAR sensor is installed as well.
Keyword(s):
Atlantic Ocean; CTD; Maria S. Merian; Namibia; South Atlantic
Related to:
Mohrholz, Volker; Amorim, Katherine; Beier, Sebastian; Braun, Philipp; Burmeister, Christian; Dangl, Gabriela; Fabian, Jenny; Glockzin, Michael; Gogina, Mayya; Heene, Toralf; Jürgens, Klaus; Kolbe, Martin; Kossack, Michael; Meeske, Christian; Pohl, Frank; Porrmann, Simon; Rehder, Gregor; Sabbaghzadeh, Bita; Schmidt, Martin; Schulz-Vogt, Heide N; Witzleb, Antonia; Zettler, Michael Lothar (2022): The Benguela System under climate change – Effects of variability in physical forcing on carbon and oxygen budgets, Cruise No. MSM105, 11. January – 23. February 2022, Walvis Bay (Namibia) – Mindelo (Cape Verde). MARIA S. MERIAN-Berichte, Begutachtungspanel Forschungsschiffe, MSM105, 71 pp, https://doi.org/10.48433/cr_msm105
Data processing report:
Kolbe, Martin: Processing Report MSM105. MSM105_processing_report.txt
Project(s):
Coverage:
Median Latitude: -22.193822 * Median Longitude: 12.196515 * South-bound Latitude: -27.000100 * West-bound Longitude: 2.999900 * North-bound Latitude: -11.997900 * East-bound Longitude: 15.150200
Date/Time Start: 2022-01-11T10:50:12 * Date/Time End: 2022-02-14T18:24:24
Minimum DEPTH, water: 2.01 m * Maximum DEPTH, water: 2048.77 m
Event(s):
MSM105_1-1 * Latitude: -23.005170 * Longitude: 14.054940 * Date/Time: 2022-01-11T10:57:09 * Elevation: -131.0 m * Location: South Atlantic Ocean * Campaign: MSM105 (BUSUC II) * Basis: Maria S. Merian * Method/Device: CTD/Rosette (CTD-RO)
MSM105_1-2 * Latitude: -23.005200 * Longitude: 14.055000 * Date/Time: 2022-01-11T11:06:31 * Location: South Atlantic Ocean * Campaign: MSM105 (BUSUC II) * Basis: Maria S. Merian * Method/Device: CTD/Rosette (CTD-RO) * Comment: event was not logged in DSHIP
MSM105_4-1 * Latitude: -23.000010 * Longitude: 12.333370 * Date/Time: 2022-01-12T13:30:26 * Elevation: -2059.0 m * Location: South Atlantic Ocean * Campaign: MSM105 (BUSUC II) * Basis: Maria S. Merian * Method/Device: CTD/Rosette (CTD-RO)
Comment:
The date/time, latitude and longitude information came with the CTD measurements. Unfortunately, the longitude information is incomplete. Therefore, the geocode information from the events have been added to the data table. The event geocode is usually logged when the CTD is at maximum depth in the water. Therefore, geocode information from the CTD system and the CTD event might vary.
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
1Event labelEventKolbe, Martin
2Date/Time of eventDate/TimeKolbe, Martin
3Latitude of eventLatitudeKolbe, Martin
4Longitude of eventLongitudeKolbe, Martin
5DATE/TIMEDate/TimeKolbe, MartinGeocode
6LATITUDELatitudeKolbe, MartinGeocode
7LONGITUDELongitudeKolbe, MartinGeocode
8DEPTH, waterDepth watermKolbe, MartinCTD, Sea-Bird, SBE 911plusGeocode
9Pressure, waterPressdbarKolbe, MartinCTD, Sea-Bird, SBE 911plus
10Quality flag, water pressureQF water pressKolbe, MartinSeadatanet flag: Data quality control procedures according to SeaDataNet (2010)QC flag meanings: 0:no QC, 1:good, 2:probably good, 3:probably bad, 4:bad, 5-7:not used, 8:interpolated, 9:missing
11ConductivityCondmS/cmKolbe, MartinCTD, Sea-Bird, SBE 911plus; measured with Conductivity sensor, Sea-Bird, SBE 4Sensor 1
12Quality flag, conductivityQF conductKolbe, MartinSeadatanet flag: Data quality control procedures according to SeaDataNet (2010)Sensor 1; QC flag meanings: 0:no QC, 1:good, 2:probably good, 3:probably bad, 4:bad, 5-7:not used, 8:interpolated, 9:missing
13Temperature, waterTemp°CKolbe, MartinCTD, Sea-Bird, SBE 911plus, measured with Temperature sensor, Sea-Bird, SBE3Sensor 1
14Quality flag, water temperatureQF water tempKolbe, MartinSeadatanet flag: Data quality control procedures according to SeaDataNet (2010)Sensor 1; QC flag meanings: 0:no QC, 1:good, 2:probably good, 3:probably bad, 4:bad, 5-7:not used, 8:interpolated, 9:missing
15SalinitySalKolbe, MartinCalculatedSensor 1, PSU
16Quality flag, salinityQF salKolbe, MartinSeadatanet flag: Data quality control procedures according to SeaDataNet (2010)Sensor 1; QC flag meanings: 0:no QC, 1:good, 2:probably good, 3:probably bad, 4:bad, 5-7:not used, 8:interpolated, 9:missing
17ConductivityCondmS/cmKolbe, MartinCTD, Sea-Bird, SBE 911plus; measured with Conductivity sensor, Sea-Bird, SBE 4Sensor 2
18Temperature, waterTemp°CKolbe, MartinCTD, Sea-Bird, SBE 911plus, measured with Temperature sensor, Sea-Bird, SBE3Sensor 2
19SalinitySalKolbe, MartinCalculatedSensor 2, PSU
20Sound velocity in waterSVm/sKolbe, MartinCalculated according to Chen & Millero (1977)Chen-Millero
21FluorescenceFluorescencemg/m3Kolbe, MartinCTD, Sea-Bird, SBE 911plus; measured with Optical backscatter sensor (OBS), WET Labs ECO FLNTU
22Turbidity (Nephelometric turbidity unit)TurbidityNTUKolbe, MartinCTD, Sea-Bird, SBE 911plus; measured with Optical backscatter sensor (OBS), WET Labs ECO FLNTU
23Radiation, photosynthetically active, surfaceSPARKolbe, MartinCTD, Sea-Bird, SBE 911plus; measured with SPAR sensor, Sea-Bird
24Radiation, photosynthetically activePARKolbe, MartinCTD, Sea-Bird, SBE 911plus; measured with PAR sensor, Sea-Bird
25Density, sigma-theta (0)Sigma-thetakg/m3Kolbe, Martin
26Height above sea floor/altitudeHeight above sea floormKolbe, MartinCTD, Sea-Bird, SBE 3Altimeter
27Fluorescence, colored dissolved organic matterfCDOMKolbe, Martinmg/m**3
28OxygenO2µmol/lKolbe, MartinCTD, Sea-Bird, SBE 911plus; measured with Dissolved oxygen sensor, Sea-Bird, SBE 43Sensor 1
29Quality flag, oxygenQF O2Kolbe, MartinSeadatanet flag: Data quality control procedures according to SeaDataNet (2010)Sensor 1; QC flag meanings: 0:no QC, 1:good, 2:probably good, 3:probably bad, 4:bad, 5-7:not used, 8:interpolated, 9:missing
30OxygenO2µmol/lKolbe, MartinCTD, Sea-Bird, SBE 911plus; measured with Dissolved oxygen sensor, Sea-Bird, SBE 43Sensor 2
Change history:
2024-04-12T10:57:56 – Event information have been added to data table as extra columns
Status:
Curation Level: Enhanced curation (CurationLevelC) * Processing Level: PANGAEA data processing level 2 (ProcLevel2)
Size:
595640 data points

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