Table 3. The electronic calibration and the mean gas calibration coefficients for the discrete TCO₂ systems on WOCE Section AR24 (1996) and Sections A24, A20, and A22 (1997)

Section

System S/N

SLOPE_ec

INT_ec

µmol/min

CALFAC(n)

St. dev.

Rel. st. dev.

(%)

AR24

004

0.999372

0.002528

1.003892(9)

0.000650

0.06

A20/A22/A24

004

0.998905

0.001466

1.003361(63)

0.000740

0.07

AR24

030

0.999306

0.003550

1.003780(26)

0.000497

0.05

A20/A22/A24

030^a

1.000000

0.000000

1.005344(59)

0.001369

0.13

^aFactory-calibrated coulometer installed at the beginning of the A24 section in May 1997.