| Symbol | Description | Uses |
| REFSFC | 3 |
| File | Line number | Procedure | Code |
| ./pkg/aim_v23/phy_radiat.F | 480 | RADLW |
_RL REFSFC, BRAD, EMIS |
| ./pkg/aim_v23/phy_radiat.F | 487 | RADLW |
REFSFC=1.-EMISFC |
| ./pkg/aim_v23/phy_radiat.F | 602 | RADLW |
& +REFSFC*FLUX(J,JB) |