| Symbol | Description | Uses |
| numol | molecular diffusivity | 3 |
| File | Line number | Procedure | Code |
| ./pkg/kpp/kpp_routines.F | 1906 | KPP_DOUBLEDIFF |
_RL numol, rFac, nutmp |
| ./pkg/kpp/kpp_routines.F | 1910 | KPP_DOUBLEDIFF |
numol = 1.5 _d -06 |
| ./pkg/kpp/kpp_routines.F | 1959 | KPP_DOUBLEDIFF |
nuddt(I,J) = numol * 0.909 _d 0 |