OCADSAccess DataDiscrete / Bottle DataGLODAPSummary of Analytical and Standardization Techniques

Summary of Analytical and Standardization Techniques

Summary of the TCO2 analytical and standardization techniques, PIs, sample volumes, CRM analyses, replicate analyses, and shorebased analyses for TCO2 during the Global CO2 Survey cruises in the Pacific.

Cruise TCO2 Analysis Technique TCO2 PI Standardization Technique Sample Vol. (mL) CRM correction (SIO-cruise) Field Replicate Analyses Average Difference SIO Shorebased Replicate Analyses
Average Difference (Shore-Ship) µmol/kg Std. Dev. of Difference µmol/kg N
P8S Coulometer Shitashima Liquid Stds. 30 2.0±2.8 1.8 NDa ND ND
P9 Coulometer Ishii Liquid Stds. 23 1.1±1.3 2.0 ND ND ND
P10 Coulometer/SOMMAd Sabine Gas Loops 22 ±1.9 1.7 0.6 1.8 9
P13 Coulometer/SOMMA Dickson bGas Loops 30 ±2.4 0.9 -1.4 3.1 138
P14N Coulometer/SOMMA Winn/Millero Gas Loops 20 ND ND 0.7 2.3 27
P14S15S Coulometer/SOMMA Feely Gas Loops 26 -1.1±0.9 1.9 ND ND ND
P15N Coulometer/SOMMA Wong Liquid Stds. 29 -0.1±2.7 ND ND ND ND
EQS92 Coulometer/SOMMA Feely Gas Loops 26 -0.8±1.2 ND ND ND ND
P16C Coulometer/SOMMA Goyet bLiquid Stds. 30 0a ND -2.1 2.4 66
P16N Coulometer Feely Liquid Stds. 50 3.0±2.5 2.8 ND ND ND
P16S17S Coulometer Takahashi Gas Loops 20 1.3±1.5 0.03% -3.5 2.0 11
P16A17A Coulometer Takahashi Gas Loops 20 1.0±1.7 0.03% -3.4 1.8 14
P17C Coulometer/SOMMA Goyet Liquid Stds.b 30 b0 ND -3.4 -4.0 40
P17N Coulometer/SOMMA Goyet Liquid Stds. 30 c0 ND -1.0 4.1 9
CGC91 Coulometer Feely Liquid Stds. 50 3.0±2.5 2.8 ND ND ND
P17E19S Coulometer Takahashi Gas Loops 20 1.4±2.1 0.03% ND ND ND
P18 Coulometer/SOMMA Feely Gas Loops 26 -1.3±1.4 2.0 -0.4 2.0 28
P19C Coulometer Takahashi Gas Loops 20 -0.2±2.1 0.03% -1.0 1.9 15
P2 Coulometer Ono Gas Loops 32 6.8±3.1 ND ND ND ND
P21 Coulometer/SOMMA Millero Gas Loops 20 0.9±1.1 ND -2.3 1.5 15
P31 Coulometer/SOMMA Winn Gas Loops 21 -0.9±2.7 2.0 0.2 3.4 8
P6 Coulometer/SOMMA Wallace Gas Loops 28 -0.6±1.9 ND -2.6 1.9 21
S4P Coulometer Takahashi Gas Loops 20 -0.9±1.8 0.03% ND ND ND
SR3S4 Coulometer/SOMMA Tilbrook Gas Loops 22 10.0±0.95 2.0 ND ND ND

aND=no data
bCRM used as a primary standard
cCRM's not available
dSOMMA=Single Operator Multi-parameter Metabolic Analyzer

Last modified: 2021-03-17T18:30:24Z