Citation:

PANGAEA.962557

Name: Continuous thermosalinograph oceanography along RV METEOR cruise track M156
Published: 2023-09-25
License: https://creativecommons.org/licenses/by/4.0/

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Published: 2023-09-25 • DOI registered: 2023-10-24

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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. Temperature and salinity were calibrated against CTD data from 5 m depth. For details to all processing steps see Data Processing Report.

Related to:

Sommer, Stefan; Adam, Nicole; Becker, Kevin W; Dale, Andy W; Hahn, Johannes; Kampmeier, Mareike; Paulsen, Melf; Katzenmeier, Sven; Körtzinger, Arne (2020): Role of Eddies in the Carbon Pump of Eastern Boundary Upwelling Systems, REEBUS, Cruise No. M156, 03.07. - 01.08.2019, Mindelo (Cap Verde) - Mindelo. METEOR-Berichte, Gutachterpanel Forschungsschiffe, M156, 53 pp, https://doi.org/10.2312/cr_m156

Data processing report:

Schlundt, Michael (2023): Continuous thermosalinograph oceanography along RV METEOR cruise track M156 - Data Processing Report. GEOMAR - Helmholtz Centre for Ocean Research Kiel, DAM_DataProcessingReport_M156.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

Project(s):

DAM Underway Research Data (DAM_Underway)

Role of Eddies for the Carbon Pump in Coastal upwelling Areas (REEBUS)

Coverage:

Median Latitude: 18.536081 * Median Longitude: -19.687907 * South-bound Latitude: 16.914795 * West-bound Longitude: -25.021151 * North-bound Latitude: 21.441312 * East-bound Longitude: -16.254447

Date/Time Start: 2019-07-03T19:58:00 * Date/Time End: 2019-07-31T22:45:00

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

Event(s):

M156_0_Underway-4 * Latitude Start: 16.914795 * Longitude Start: -25.021151 * Latitude End: 17.980859 * Longitude End: -23.733649 * Date/Time Start: 2019-07-03T19:58:00 * Date/Time End: 2019-07-31T22:45:00 * Campaign: * Basis: * Method/Device: (TSG) * Comment: event was not logged in DSHIP

Comment:

Temperature was calibrated independently for both TSGs against CTD data from 5 m depth. Value added to temperature data TSG1 = -0.012168. Value added to temperature data TSG2 = -0.005092.

Salinity was calibrated independently for both TSGs against CTD data from 5 m depth (tim is the time in days since Expocode of this cruise (06M320190703), i.e. since 2019-07-03T00:00:00): Value added to salinity data TSG1 = 0.0003976*tim+0.02588.

A regime shift was observed for TSG2 during the cruise. Therefore, the calibration was split. Value added to TSG2 salinity data before 2019-07-19T17:58:00: 0.0009344*tim+0.01213. Valued added to TSG2 salinity data from timestep 2019-07-19T17:58:00 and ongoing: 0.0019887*tim-0.03591.

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 internal 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	Measurement container	MC		Schlundt, Michael

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:

283362 data points

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Datasets with similar metadata

Schlundt, M; Körtzinger, A; Krahmann, G (2023): Continuous thermosalinograph oceanography along RV METEOR cruise track M160. https://doi.org/10.1594/PANGAEA.962921
Greinert, J; Schlundt, M (2023): Continuous thermosalinograph oceanography along RV METEOR cruise track M182. https://doi.org/10.1594/PANGAEA.956092
Schlundt, M; Zabel, M (2023): Continuous thermosalinograph oceanography along RV METEOR cruise track M157. https://doi.org/10.1594/PANGAEA.962558

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