Table 4.
Original data point number of 12 variables and failed data number identified by the 6 QC checks.
| Variables | Number of collected original data | Number of failed data | |||||
|---|---|---|---|---|---|---|---|
| Location | Depth | Constant value | Value range | Vertical gradient | Time reversal | ||
| Temperature (°C) | 4348536 | 1496903 | 13614 | 89004 | 3 | 136 | 27232 |
| Salinity (psu) | 4325295 | 1481088 | 6817 | 232935 | 5427 | 49089 | 26030 |
| DO (µmol/L) | 4235725 | 1364238 | 6565 | 4214 | 239 | 85526 | 24728 |
| Silicate (µmol/L) | 726086 | 697229 | 245 | 649 | 0 | 19 | 19766 |
| Nitrate (µmol/L) | 745908 | 712256 | 388 | 1194 | 80 | 388 | 21673 |
| Nitrite (µmol/L) | 246347 | 231734 | 110 | 6072 | 0 | N/A | 5425 |
| Ammonium (µmol/L) | 29526 | 28557 | 92 | 21 | 0 | N/A | 0 |
| Phosphate (µmol/L) | 729507 | 695273 | 275 | 3333 | 3 | 105 | 21704 |
| Chl a (µg/L) | 73715 | 66329 | 895 | 100 | 0 | N/A | 1062 |
| DIC (µmol/L) | 128744 | 127992 | 84 | 0 | 0 | N/A | 0 |
| DOC (µmol/L) | 196919 | 192949 | 334 | 38 | 15 | N/A | 655 |
| POC (µmol/L) | 25190 | 24996 | 89 | 0 | 22 | N/A | 0 |