Citation:

PANGAEA.964078

Name: Hydrochemistry and carbonate chemistry measured on water bottle samples during METEOR cruise M183
Published: 2023-12-11
License: https://creativecommons.org/licenses/by/4.0/
Keywords: Carbonate chemistry; Mid-Atlantic Ridge; nutrients

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Abstract:

The 24 x 10 L Niskin bottles rosette mounted on the frame of the ship-based CTD System onboard RV METEOR during research cruise M183 was used for the collection of discrete water samples. Samples for Total Alkalinity and Dissolved Inorganic Carbon (TA/DIC) were drawn directly from the Niskin bottles into 250 ml borosilicate glass bottles. Samples for dissolved organic carbon (DOC) and dissolved organic nitrogen (DON) were filtered directly into precombusted 25 ml glass vials. Samples for inorganic nutrients were collected directly into acid washed 60 ml Nalgene bottles. All the analysis were performed at GEOMAR following standard protocols.

Keyword(s):

Carbonate chemistry; Mid-Atlantic Ridge; nutrients

Related to:

Bach, Wolfgang (2023): Master track of METEOR cruise M183 in 1 sec resolution (zipped, 12.2 MB) [dataset]. University of Bremen, PANGAEA, https://doi.org/10.1594/PANGAEA.954527

Project(s):

DAM CDRmare - AIMS3: Alternate scenarios, Innovative technologies, and Monitoring approaches for Sub-Seabed Storage of carbon dioxide (AIMS3)

Research Mission of the German Marine Research Alliance (DAM): Marine carbon sinks in decarbonisation pathways (CDRmare)

Funding:

Federal Ministry of Education and Research (BMBF), grant/award no. 03F0894C : DAM CDRmare - AIMS3, GEOMAR

Coverage:

Median Latitude: 57.633360 * Median Longitude: -32.072284 * South-bound Latitude: 57.513350 * West-bound Longitude: -32.271080 * North-bound Latitude: 58.122667 * East-bound Longitude: -31.215000

Date/Time Start: 2022-07-19T07:26:12 * Date/Time End: 2022-08-03T16:52:15

Minimum DEPTH, water: 4.455 m * Maximum DEPTH, water: 2148.229 m

Event(s):

M183_4-1 (GeoB25104-1) * Latitude: 58.122650 * Longitude: -31.215000 * Date/Time: 2022-07-19T08:12:00 * Elevation: -2171.0 m * Campaign: (RIFLOR_1) * Basis: * Method/Device: (CTD-RO)

M183_15-1 (GeoB25115-1) * Latitude: 57.523750 * Longitude: -32.270320 * Date/Time: 2022-07-22T16:47:00 * Elevation: -1846.0 m * Campaign: (RIFLOR_1) * Basis: * Method/Device: (CTD-RO)

M183_32-1 (GeoB25132-1) * Latitude: 57.523980 * Longitude: -32.270330 * Date/Time: 2022-07-28T16:47:00 * Elevation: -1842.0 m * Campaign: (RIFLOR_1) * Basis: * Method/Device: (CTD-RO)

Parameter(s):

#	Name	Short Name	Unit	Principal Investigator	Method/Device	Comment
1	Event label	Event		Esposito, Mario
2	DATE/TIME	Date/Time		Esposito, Mario		Geocode
3	LATITUDE	Latitude		Esposito, Mario		Geocode
4	LONGITUDE	Longitude		Esposito, Mario		Geocode
5	Bottle number	Bottle	#	Esposito, Mario
6	Sample code/label	Sample label		Esposito, Mario		CTD number
7	DEPTH, water	Depth water	m	Esposito, Mario		Geocode
8	Pressure, water	Press	dbar	Esposito, Mario	CTD, SEA-BIRD SBE 9 plus
9	Temperature, water	Temp	°C	Esposito, Mario	CTD, SEA-BIRD SBE 9 plus
10	Salinity	Sal		Esposito, Mario	CTD, SEA-BIRD SBE 9 plus
11	Oxygen	O2	µmol/kg	Esposito, Mario	Dissolved Oxygen Sensor, Sea-Bird, SBE 43
12	Oxygen saturation	O2 sat	%	Esposito, Mario	Dissolved Oxygen Sensor, Sea-Bird, SBE 43
13	Conductivity	Cond	mS/cm	Esposito, Mario	CTD, SEA-BIRD SBE 9 plus
14	Density, sigma-theta (0)	Sigma-theta	kg/m³	Esposito, Mario	CTD, SEA-BIRD SBE 9 plus
15	Alkalinity, total	AT	µmol/kg	Esposito, Mario	Total Alkalinity Titrator, Apollo SciTech, AS-ALK2
16	Carbon, inorganic, dissolved	DIC	µmol/kg	Esposito, Mario	Infrared spectroscopy (Apollo AS-C3, LI-7000)
17	pH	pH		Esposito, Mario	Calculated	total scale
18	Carbon dioxide, partial pressure	pCO2	µatm	Esposito, Mario	Calculated
19	Carbon, organic, dissolved	DOC	µmol/l	Esposito, Mario	Shimadzu TOC-L total organic carbon analyzer
20	Nitrogen, total dissolved	TDN	µmol/l	Esposito, Mario	Shimadzu TOC-L total organic carbon analyzer
21	Nitrogen, organic, total	TON	µmol/l	Esposito, Mario	Colorimetric using QuAAtro39 AA (Seal Analytical)
22	Phosphate	[PO4]3-	µmol/l	Esposito, Mario	Colorimetric using QuAAtro39 AA (Seal Analytical)
23	Nitrite	[NO2]-	µmol/l	Esposito, Mario	Colorimetric using QuAAtro39 AA (Seal Analytical)
24	Silicate	Si(OH)4	µmol/l	Esposito, Mario	Colorimetric using QuAAtro39 AA (Seal Analytical)
25	Nitrate	[NO3]-	µmol/l	Esposito, Mario	Calculated

License:

Creative Commons Attribution 4.0 International (CC-BY-4.0)

Status:

Curation Level: Enhanced curation (CurationLevelC)

Size:

2800 data points

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