| Symbol | Description | Uses |
| GRN | 5 |
| File | Line number | Procedure | Code |
| ./pkg/fizhi/update_earth_exports.F | 229 | SIBALB |
_RL FAC,GAMMA,BETA,ALPHA,DX,DY,ALA,GRN (2),SNWALB(4,NTYPS) |
| ./pkg/fizhi/update_earth_exports.F | 626 | SIBALB |
DATA GRN /0.33, 0.67/ |
| ./pkg/fizhi/update_earth_exports.F | 651 | SIBALB |
DY = (VGRN(I)- GRN(1)) * (ONE/(GRN(2) - GRN(1))) |