MIRAI MR12-05 Leg2 Concentration and isotopic compositions of methane and nitrous oxide dissolved in seawater

Last Modified: 2018-01-23
: MR12-05 Leg2
: Processed (PI)
: JAMSTEC
:
:
Concentration and its isotopic compositions of ethane and nitrous oxide dissolved in seawater. Both the concentrations and the stable isotopic compositions of the water samples were calibrated through analyses of the working gas standard (methane: conc. 111 ppm δ13C -35.21‰ vs. VPDB; nitrous oxide: conc. 135 ppm δ15N -1.9‰ vs. air N2 δ18O +33.3‰ vs. VSMOW).

For Using Data

Sohiko KAMEYAMA (Hokkaido University)
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Instrument:
Purge & trap extraction system, continuous-flow isotope-ratio mass spectrometry
Instrument Information:
Continuous-flow isotope-ratio mass spectrometry (Finnigan MAT 252; Thermo Fisher Scientific) coupling with purge & trap extraction system.
Reference: Hirota et al. (2010), Rapid Commun. Mass Spectrom., 24: 1085–1092
Water sample
As stated in data file.
.csv file (sample name, year, month, day, time, longitude, longitude (N or S), latitude, latitude (E or W), depth (m), methane conc. (nmol/kg), δ13C (‰), nitrous oxide conc. (nmol/kg), δ15N (‰), δ18O (‰),)
: MR12-05 Leg2
: Processed (PI)
: JAMSTEC
:
:

Observation Map

Imagery reproduced from ...

Data List

  File names
MR12-5_CH4N2Odata.csv

Related Information

Update History

2018-01-23
An observation data was registerd.
2015-02-28
An observation data was registerd.