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Table 4. Summary of the comparison results for the fugacity of CO2 (fCO2) for each of the 16 crossover comparisons during the Global CO2 Survey in the Pacific

Location number/
Crossover
comparison		 Nominal
position 		Cruise name/
WOCE line 		ΔSalinity
between
cruises 		SD Salinity
between
cruises		 ΔO2
between
cruises 		SD O2
between
cruises
(µmol/kg)		 ΔfCO2
between
cruises
(µatm)		 SD fCO2
between
cruises
(µatm)
Long. Lat. Cruise 1 Cruise 2 Cruise 1-2 Cruise 1-2
1 / 1 170� E 66� S *P14Sa +S4 0.003 0.002 -1.0 0.2 3.8 2.6
4 / 4 170� W 67� S *P15Sa +S4 0.005 0.002 -1.6 0.2 2.8 1
7 / 8 170� W 10� S *P15Sa *EQS92 0.002 0.003 -3.2 1.3 30.3 8.9
8 / 13 170� W 5� S *P15Sa *EQS92 -0.002 0.002 2.3 5.2 17.2 25.8
9 / 16 170� W 0� *P15Sa *EQS92 0.002 0.001 NDb NDb 13.9 12.0
11 / 18 150� W 37� S *P16 *P16 -0.001 0.002 1.5 2.5 3.2 10.4
14 / 23 135� W 53� S +P17 +P17 -0.001 0.004 2.3 0.7 4.7 8.8
20 / 29 126� W 67� S +S4 +P17 0.011 0.019 -6.1 7.1 9.8c 8.2
21 / 30 110� W 0� *P18 *EQS92 -0.012 0.012 0.6 6.0 -28.7c 41.5
21 / 31 110� W 0� *P18 *EQF92 0.018 0.022 -3.2 1.6 -12.9 25.1
22 / 32 110� W 5� N *P18 *EQS92 -0.006 0.004 -5.1c 1.5 67.1 10.9
22 / 33 110� W 5� N *P18 *EQF92 -0.001 0.004 3.7 6.6 34.0c 74.1
23 / 34 103� W 67� S *P18 +S4 0.002 0.002 -5.1 3.9 -8.0 5.5
26 / 37 88� W 67� S +S4 +P19 -0.005 0.001 3.5 0.2 -13.1 1.9
28 / 39 86� W 55� S +P19 +P19 -0.001 0.001 0.4 0.2 14.2 4.3
30 / 41 86� W 13� S *P19 *EQF92 0.012 0.008 0.1 3.8 18.8 47.2
Mean of the absolute value of the difference
Standard deviation of the absolute value of the difference		 17.6
16.3
aPreliminary data.
bND = no data.
cLinear regression applied.
*Measured at 20�C.
+Measured at 4�C.
Last modified: 2021-03-17T18:30:28Z