Citation:

PANGAEA.945706

Name: Continuous thermosalinograph oceanography along RV METEOR cruise track M176
Published: 2022-06-28
License: https://creativecommons.org/licenses/by/4.0/

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Published: 2022-06-28 • DOI registered: 2022-11-03

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Abstract:

Underway temperature and salinity data was collected along the cruise track with two autonomous thermosalinograph (TSG) systems, each consisting of a SBE21 TSG together with a SBE38 Thermometer. Both systems worked independent from each other throughout the cruise. While temperature is taken at the water inlet in about 5 m depth, salinity is estimated within the interior TSG from conductivity and interior temperature.

Related to:

Geldmacher, Jörg; Werner, Reinhard; Shipboard Scientific Party (2021): Azores-Biscay Rise and Bay of Biscay: A key area for the reconstruction of the geodynamic evolution of the early North Atlantic, Cruise No. M176 (GPF 21-2_048), 31.07.2021 - 29.08.2021, Emden (Germany) - Emden (Germany). METEOR-Berichte, Gutachterpanel Forschungsschiffe, M176, 36+67, https://doi.org/10.48433/cr_m176

Data processing report:

Schlundt, Michael (2022): Continuous thermosalinograph oceanography along RV Meteor cruise track M176 - Data Processing Report. GEOMAR - Helmholtz Centre for Ocean Research Kiel, DAM_DataProcessingReport_M176.pdf

Standard operating procedure:

Schlundt, Michael; Glemser, Barbara (2023): SOP of thermosalinograph (TSG) aboard of RV Meteor. Zenodo, https://doi.org/10.5281/ZENODO.7535546

Further details:

M176 salinity samples [dataset]. M176_salinity_samples.tab

Project(s):

DAM Underway Research Data (DAM_Underway)

Coverage:

Median Latitude: 43.368190 * Median Longitude: -17.570484 * South-bound Latitude: 40.676629 * West-bound Longitude: -21.971392 * North-bound Latitude: 46.332918 * East-bound Longitude: -12.452392

Date/Time Start: 2021-08-03T19:18:00 * Date/Time End: 2021-08-25T15:17:00

Minimum DEPTH, water: 5.0 m * Maximum DEPTH, water: 5.0 m

Event(s):

M176_0_Underway-4 * Latitude Start: 45.559343 * Longitude Start: -12.452392 * Latitude End: 44.890994 * Longitude End: -13.171731 * Date/Time Start: 2021-08-03T19:18:00 * Date/Time End: 2021-08-25T15:17:00 * Campaign: (GPF 21‐2_048) * Basis: * Method/Device: (TSG) * Comment: event was not logged in DSHIP

Comment:

Salinity was calibrated independently for both TSGs (tim is the time in days since Expocode of this cruise (06M320210731), i.e. since 2021-07-31T00:00:00): Value added to salinity data TSG1 = 0.0002811*tim+0.03582. Value added to salinity data TSG2 = 0.0005487*tim+0.04651. No correction against independent data was performed for temperature. Finally, TSG1 was chosen for publication. For details to all processing steps see Data Processing Report.

Parameter(s):

#	Name	Short Name	Unit	Principal Investigator	Method/Device	Comment
1	DATE/TIME	Date/Time		Schlundt, Michael		Geocode
2	LATITUDE	Latitude		Schlundt, Michael		Geocode
3	LONGITUDE	Longitude		Schlundt, Michael		Geocode
4	DEPTH, water	Depth water	m	Schlundt, Michael		Geocode
5	Temperature, water	Temp	°C	Schlundt, Michael	Digital oceanographic thermometer, Sea-Bird, SBE 38
6	Quality flag, water temperature	QF water temp		Schlundt, Michael	Seadatanet 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
7	Conductivity	Cond	mS/cm	Schlundt, Michael	Thermosalinograph (TSG), Sea-Bird, SBE 21 SEACAT
8	Temperature, water, internal	T intern	°C	Schlundt, Michael	Thermosalinograph (TSG), Sea-Bird, SBE 21 SEACAT
9	Salinity	Sal		Schlundt, Michael	Calculated from temperature and conductivity
10	Quality flag, salinity	QF sal		Schlundt, Michael	Seadatanet 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
11	Salinity	Sal		Schlundt, Michael	Salinometer (SALINO)
12	Measurement container	MC		Schlundt, Michael

Change history:

2022-09-14T09:52:43 – The values of quality flags have been changed due to a different interpretation of the label “good”.

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:

220095 data points

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Datasets with similar metadata

Dürkefälden, A; Schlundt, M (2021): Continuous thermosalinograph oceanography along RV METEOR cruise M168. https://doi.org/10.1594/PANGAEA.928768
Hanel, R; Schlundt, M; Freese, M et al. (2023): Continuous thermosalinograph oceanography along RV METEOR cruise track M185. https://doi.org/10.1594/PANGAEA.960971
Schlundt, M; Schmidt, C (2023): Continuous thermosalinograph oceanography along RV METEOR cruise track M186. https://doi.org/10.1594/PANGAEA.962924

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