Citation:

PANGAEA.927737

Name: Dissolved gas and dissolved inorganic nitrogen concentrations and isotopes during METEOR cruise M92
Published: 2021-02-09
License: https://creativecommons.org/licenses/by/4.0/

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Published: 2021-02-09 • DOI registered: 2021-03-30

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Abstract:

Seawater samples for stable isotopes measurements of nitrate (δ15NO3-) and nitrite (δ15NO2-) were taken from the CTD/rosette. δ15NO3- and δ15NO2- samples were either preserved frozen or an azide treatment was applied depending on the nitrite concentration (Altabet et al., 2012; Bourbonnais et al., 2015; Hu et al., 2016). The isotopic composition of both N-species was measured using the Cd reduction/azide method (McIlvin and Altabet, 2005).

Related to:

Dengler, Marcus (2016): Hydrochemistry of water samples during METEOR cruise M92 [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.862046

Project(s):

Climate - Biogeochemistry Interactions in the Tropical Ocean (SFB754)

Funding:

German Research Foundation (DFG), grant/award no. 27542298 : Climate - Biogeochemistry Interactions in the Tropical Ocean

Coverage:

Median Latitude: -12.274959 * Median Longitude: -77.498372 * South-bound Latitude: -13.160000 * West-bound Longitude: -78.630000 * North-bound Latitude: -11.000000 * East-bound Longitude: -76.840000

Date/Time Start: 2013-01-08T00:00:00 * Date/Time End: 2013-01-31T00:00:00

Minimum DEPTH, water: 2.9 m * Maximum DEPTH, water: 1997.4 m

Event(s):

M92_0025-1 (CTD-006) * Latitude: -12.415000 * Longitude: -77.438667 * Date/Time: 2013-01-08T15:06:00 * Elevation: -304.4 m * Campaign: * Basis: * Method/Device: (CTD-RO)

M92_0032-1 (CTD-007) * Latitude: -12.388333 * Longitude: -77.403500 * Date/Time: 2013-01-09T00:38:00 * Elevation: -245.1 m * Campaign: * Basis: * Method/Device: (CTD-RO)

M92_0038-1 (CTD-008) * Latitude: -12.389000 * Longitude: -77.403167 * Date/Time: 2013-01-09T20:16:00 * Elevation: -245.1 m * Campaign: * Basis: * Method/Device: (CTD-RO)

Parameter(s):

#	Name	Short Name	Unit	Principal Investigator	Comment
1	Event label	Event		Altabet, Mark A
2	Profile ID	Profile ID		Altabet, Mark A
3	Bottle number	Bottle		Altabet, Mark A
4	DATE/TIME	Date/Time		Altabet, Mark A	Geocode
5	LATITUDE	Latitude		Altabet, Mark A	Geocode
6	LONGITUDE	Longitude		Altabet, Mark A	Geocode
7	DEPTH, water	Depth water	m	Altabet, Mark A	Geocode
8	Nitrogen excess	Excess N2	µmol/kg	Altabet, Mark A	with O2
9	Nitrogen excess, standard deviation	Excess N2 STD	±	Altabet, Mark A
10	Nitrogen, biogenic	N2 biogenic	µmol/kg	Altabet, Mark A	with O2
11	Nitrogen, biogenic, standard deviation	N2 biogenic STD	±	Altabet, Mark A
12	Nitrogen excess	Excess N2	µmol/kg	Altabet, Mark A	without O2
13	Nitrogen excess, standard deviation	Excess N2 STD	±	Altabet, Mark A
14	Nitrogen, biogenic	N2 biogenic	µmol/kg	Altabet, Mark A	without O2
15	Nitrogen, biogenic, standard deviation	N2 biogenic STD	±	Altabet, Mark A
16	δ15N, gas	δ15N N2	‰ air	Altabet, Mark A	Anomaly
17	δ15N, standard deviation	δ15N std dev	±	Altabet, Mark A	Anomaly d15N-N2
18	Nitrogen, biogenic	N2 biogenic	µmol/kg	Altabet, Mark A	Average

License:

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

Size:

7894 data points

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