Citation:

PANGAEA.973054

Name: Surface dissolved methane concentrations during Navicula cruise N2302
Published: 2024-11-04
License: https://creativecommons.org/licenses/by/4.0/
Keywords: Greenhouse gases; hypoxia; marine biogeochemistry; Methane

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Abstract:

The dataset comprises high-resolution (1-min) measurements of dissolved methane in surface waters of Lake Grevelingen (The Netherlands), which were collected during the expedition N2302 on board R/V Navicula (February-March 2023). Seawater was drawn on board by means of a submersible pump installed at 1 m depth, and measurements of equilibrated headspace were carried out as described in Arévalo-Martínez et al. (2013): https://doi.org/10.5194/os-9-1071-2013, with the difference that a CRDS Analyzer LI-COR 7810 was added to the measurement cycle.

Keyword(s):

Greenhouse gases; hypoxia; marine biogeochemistry; Methane

Related to:

Arévalo-Martínez, Damian L; Beyer, Maya; Krumbholz, Marita; Piller, Werner E; Kock, Annette; Steinhoff, T; Körtzinger, Arne; Bange, Hermann Werner (2013): A new method for continuous measurements of oceanic and atmospheric N2O, CO and CO2: performance of off-axis integrated cavity output spectroscopy (OA-ICOS) coupled to non-dispersive infrared detection (NDIR). Ocean Science, 9(6), 1071-1087, https://doi.org/10.5194/os-9-1071-2013

Project(s):

Cluster of Excellence: The Future Ocean (FutureOcean)

Dynamics of nitrous oxide release to the atmosphere under coastal hypoxia (DYNOX)

Methane and Ammonium Removal in redox transition zones (MARIX)

Funding:

European Commission (EC), grant/award no. 101065316: DYNOX

European Commission (EC), grant/award no. 854088: MARIX

German Research Foundation (DFG), grant/award no. EXC 80 : The Future Ocean

Coverage:

Median Latitude: 51.674311 * Median Longitude: 3.950186 * South-bound Latitude: 51.543700 * West-bound Longitude: 3.834000 * North-bound Latitude: 51.772500 * East-bound Longitude: 4.108300

Date/Time Start: 2023-03-02T16:44:16 * Date/Time End: 2023-03-04T14:41:59

Minimum DEPTH, water: 1 m * Maximum DEPTH, water: 1 m

Event(s):

Marix_14_underway (N2302-track) * Latitude Start: 51.654900 * Longitude Start: 4.105400 * Latitude End: 51.606300 * Longitude End: 3.967400 * Date/Time Start: 2023-03-02T00:00:00 * Date/Time End: 2023-03-03T00:00:00 * Campaign: (N2302) * Basis: Navicula

Comment:

CRDS Analyzer coupled to shower head equilibrator as in Arévalo-Martínez et al. (2013): https://doi.org/10.5194/os-9-1071-2013

Equilibration temperature measured with a FLUKE 1524 reference thermometer (+/-0.01°C)

Sea surface temperature and salinity derived from discrete in-situ measurements with a Seabird SBE 911 plus

Parameter(s):

#	Name	Short Name	Unit	Principal Investigator	Comment
1	DATE/TIME	Date/Time		Arévalo-Martínez, Damian L	Geocode
2	LONGITUDE	Longitude		Arévalo-Martínez, Damian L	Geocode
3	LATITUDE	Latitude		Arévalo-Martínez, Damian L	Geocode
4	DEPTH, water	Depth water	m	Arévalo-Martínez, Damian L	Geocode
5	Temperature, water	Temp	°C	Arévalo-Martínez, Damian L
6	Salinity	Sal		Arévalo-Martínez, Damian L	PSU
7	Methane	CH4	nmol/l	Arévalo-Martínez, Damian L

License:

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

Status:

Curation Level: Enhanced curation (CurationLevelC)

Size:

44751 data points

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