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Arévalo-Martínez, Damian L; Bange, Hermann Werner; Jetten, Mike M S M; Slomp, Caroline P (2024): Surface dissolved nitrous oxide concentrations during Navicula cruise N2302 (Lake Grevelingen, The Netherlands) [dataset]. PANGAEA, https://doi.pangaea.de/10.1594/PANGAEA.973055 (DOI registration in progress)

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Abstract:
The dataset comprises high-resolution (1-min) measurements of dissolved nitrous oxide 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.
Keyword(s):
Greenhouse gases; hypoxia; marine biogeochemistry; nitrous oxide
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: 51.747815 * Median Longitude: 3.868529 * South-bound Latitude: 51.684780 * West-bound Longitude: 3.833950 * North-bound Latitude: 51.773000 * East-bound Longitude: 4.120320
Date/Time Start: 2020-09-05T00:00:00 * Date/Time End: 2023-09-14T00:00:00
Minimum DEPTH, water: 1 m * Maximum DEPTH, water: 5 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: MARIX14 (N2302) * Basis: Navicula
Comment:
Samples labelled as "_underway" are high-resolution measurements:
OA-ICOS 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
Samples labelled as "_discrete" are surface samples collected along-track:
Bubble-free sampling in 120 mL glass vials, headspace equilibration technique coupled to gas chromatography/electron capture detection analysis (See Wilson et al., https://doi.org/10.5194/bg-15-5891-2018, 2018).
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
1DATE/TIMEDate/TimeGeocode
2LONGITUDELongitudeGeocode
3LATITUDELatitudeGeocode
4DEPTH, waterDepth watermGeocode
5Temperature, waterTemp°C
6SalinitySalPSU
7Nitrous oxideN2Onmol/l
8Nitrous oxideN2Onmol/kg
License:
Creative Commons Attribution 4.0 International (CC-BY-4.0) (License comes into effect after moratorium ends)
Status:
Curation Level: Enhanced curation (CurationLevelC)
Size:
15700 data points

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