| Symbol | Description | Uses |
| htotal2 | 4 |
| File | Line number | Procedure | Code |
| ./pkg/dic/carbon_chem.F | 103 | CALC_PCO2 |
_RL htotal2 |
| ./pkg/dic/carbon_chem.F | 304 | CALC_PCO2 |
htotal2=htotal*htotal |
| ./pkg/dic/carbon_chem.F | 305 | CALC_PCO2 |
co2star=diclocal*htotal2/(htotal2 + k1local*htotal |