Citation:

PANGAEA.964090

Name: Physical oceanography and hydrochemistry measurements along ROV-Squid dive M183_11-1 during METEOR cruise M183
Published: 2023-12-12
License: https://creativecommons.org/licenses/by/4.0/
Keywords: hydrochemical parameters; Mid-Atlantic Ridge; ROV

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Abstract:

A sensor package for measuring and autonomously logging oceanographical parameters was installed on the ROV-Squid during the METEOR research cruise M183. The suite of sensors included an RBR Concerto logger for measurements of pressure, temperature, dissolved O₂ concentration and turbidity, a Pyroscience AquapHOx-LX for measurements of pH and a Trios OPUS nitrate sensor. The duration and frequency of the sampling were defined on every dive in order to have the best sensors performance/battery usage combination. Generally RBR Concerto data were recorded every 10 seconds, pH data every 30 seconds while nitrate data every 5 minutes. Following sensor post-calibration, a maximum pH offset of -0.05 was applied. Nitrate data were processed according to Nehir et al., 2021. While the RBR Concerto logger recorded during the entire dives, data for both the pH and nitrate sensors include bottom time and ROV ascent only.

Keyword(s):

hydrochemical parameters; Mid-Atlantic Ridge; ROV

Related to:

Bach, Wolfgang (2023): Master track of METEOR cruise M183 in 1 sec resolution (zipped, 12.2 MB). 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: 58.274566 * Median Longitude: -31.051345 * South-bound Latitude: 58.272218 * West-bound Longitude: -31.058220 * North-bound Latitude: 58.278140 * East-bound Longitude: -31.046957

Date/Time Start: 2022-07-21T10:30:10 * Date/Time End: 2022-07-21T18:28:10

Minimum DEPTH, water: 1.256 m * Maximum DEPTH, water: 1709.093 m

Event(s):

M183_11-1 (GeoB25111-1) * Latitude Start: 58.273020 * Longitude Start: -31.048370 * Latitude End: 58.277730 * Longitude End: -31.058000 * Date/Time Start: 2022-07-21T14:30:00 * Date/Time End: 2022-07-21T17:10:00 * Campaign: (RIFLOR_1) * Basis: * Method/Device: Remote operated vehicle (ROV)

Parameter(s):

#	Name	Short Name	Unit	Principal Investigator	Method/Device	Comment
1	DATE/TIME	Date/Time		Esposito, Mario		Geocode
2	LATITUDE	Latitude		Esposito, Mario		Geocode
3	LONGITUDE	Longitude		Esposito, Mario		Geocode
4	Pressure, water	Press	dbar	Esposito, Mario	CTD, RBR Concerto3
5	Temperature, water	Temp	°C	Esposito, Mario	CTD, RBR Concerto3
6	Oxygen	O2	µmol/l	Esposito, Mario	CTD, RBR Concerto3
7	Turbidity (Nephelometric turbidity unit)	Turbidity	NTU	Esposito, Mario	CTD, RBR Concerto3
8	DEPTH, water	Depth water	m	Esposito, Mario	CTD, RBR Concerto3	Geocode
9	Oxygen saturation	O2 sat	%	Esposito, Mario	CTD, RBR Concerto3
10	pH	pH		Esposito, Mario	pH Logger (AquapHOx-LX), Pyroscience
11	Nitrate	[NO3]-	µmol/l	Esposito, Mario	UV spectral sensor (OPUS), Trios

License:

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

Status:

Curation Level: Enhanced curation (CurationLevelC)

Size:

16550 data points

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