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Yang, Jin-Yu Terence (2022): Nitrate isotopes in the South China Sea and the adjoining western North Pacific Ocean [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.940587

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Published: 2022-02-02DOI registered: 2022-02-14

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Abstract:
This dataset includes nitrate isotopes and relevant hydrographic and chemical parameters (temperature, salinity, nitrate, phosphate, dissolved oxygen, and so on) observed in the South China Sea basin and the adjoining western North Pacific Ocean during 2011 and 2014. Nitrate isotopes were measured by the denitrifier method. Nutrients were analyzed onboard using a Technicon AA3 Auto-Analyzer (Ban-Lube, GmbH). Dissolved oxygen (DO) was determined using the Winkler method. These data were used to elucidate nitrate dynamics in these regions.
Keyword(s):
biogeochemical signal; Nitrate isotopes; South China Sea; water exchange; western North Pacific
Coverage:
Median Latitude: 18.736360 * Median Longitude: 119.896640 * South-bound Latitude: 14.000000 * West-bound Longitude: 112.580000 * North-bound Latitude: 21.670000 * East-bound Longitude: 129.890000
Date/Time Start: 2011-05-01T00:00:00 * Date/Time End: 2014-11-25T00:00:00
Minimum DEPTH, water: m * Maximum DEPTH, water: 4800 m
Event(s):
PhiSea_LU60 (LU60) * Latitude: 21.669550 * Longitude: 122.299833 * Date/Time: 2011-05-04T00:00:00 * Location: Philippine Sea * Method/Device: CTD
PhiSea_LU65 (LU65) * Latitude: 19.500000 * Longitude: 122.300000 * Date/Time: 2011-05-05T00:00:00 * Location: Philippine Sea * Method/Device: CTD
PhiSea_N18-9 (N18-9) * Latitude: 17.957200 * Longitude: 128.093300 * Date/Time: 2014-11-20T00:00:00 * Location: Philippine Sea * Method/Device: CTD
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
1Event labelEventYang, Jin-Yu Terence
2DATE/TIMEDate/TimeYang, Jin-Yu TerenceGeocode
3LATITUDELatitudeYang, Jin-Yu TerenceGeocode
4LONGITUDELongitudeYang, Jin-Yu TerenceGeocode
5DEPTH, waterDepth watermYang, Jin-Yu TerenceGeocode
6Depth, bottom/maxDepth botmYang, Jin-Yu Terence
7Temperature, waterTemp°CYang, Jin-Yu TerenceCTD
8SalinitySalYang, Jin-Yu TerenceCTD
9Nitrite[NO2]-µmol/lYang, Jin-Yu TerenceTechnicon AA3 Auto-Analyzer
10Phosphate[PO4]3-µmol/lYang, Jin-Yu TerenceTechnicon AA3 Auto-Analyzer
11Nitrate and Nitrite[NO3]- + [NO2]-µmol/lYang, Jin-Yu TerenceTechnicon AA3 Auto-Analyzer
12SilicateSi(OH)4µmol/lYang, Jin-Yu TerenceTechnicon AA3 Auto-Analyzer
13δ15Nδ15N‰ airYang, Jin-Yu Terencedentrifier method
14δ18O, waterδ18O H2O‰ SMOWYang, Jin-Yu Terencedentrifier method‰VSMOW
15δ15N, standard deviationδ15N std dev±Yang, Jin-Yu Terence
16δ18O, standard deviationδ18O std dev±Yang, Jin-Yu Terence
17Temperature, water, potentialTpot°CYang, Jin-Yu TerenceCTD
18Density, potential anomalyDens pot anomalykg/m3Yang, Jin-Yu TerenceCTD
19Nitrate, anomalyN*µmol/lYang, Jin-Yu TerenceTechnicon AA3 Auto-Analyzer([NO3]- + [NO2]-) - 16 * [PO4]3-
20Δ(15-18)δ15N-δ18OYang, Jin-Yu Terence
21Nitrite/Nitrate ratio[NO2]-/[NO3]-Yang, Jin-Yu Terence
22OxygenO2µmol/kgYang, Jin-Yu TerenceTitration, Winklerdissolved
23Oxygen, apparent utilizationAOUµmol/kgYang, Jin-Yu Terence
Status:
Curation Level: Enhanced curation (CurationLevelC)
Size:
7804 data points

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