| Symbol | Description | Uses |
| LAND_ALBEDO | 2 | |
| LAND_DIAGNOSTICS_FILL | 2 | |
| LAND_DIAGNOSTICS_INIT | 2 | |
| LAND_DO_DIAGS | 2 | |
| LAND_IMPL_TEMP | 2 | |
| LAND_INI_VARS | 2 | |
| LAND_INITIALISE | 2 | |
| LAND_MNC_INIT | 2 | |
| LAND_MONITOR | 2 | |
| LAND_READ_PICKUP | 2 | |
| LAND_READPARMS | 2 | |
| LAND_STEPFWD | 2 | |
| LAND_WRITE_DIAGS | 2 | |
| LAND_WRITE_PICKUP | 2 | |
| LCASE | 3 | |
| LEF_ZERO | 21 | |
| LEF_ZERO2 | 5 | |
| LEF_ZERO3 | 23 | |
| LINADJ | 8 | |
| LOAD_FIELDS_DRIVER | 3 | |
| LOAD_GRID_SPACING | 2 | |
| LOOK_FOR_NEG_SALINITY | 4 | |
| LSCOND | 2 | |
| LSLINE | 1 | |
| LSOPT_TOP | 2 | |
| LSR | 3 | |
| LSUPDXX | 3 | |
| LSWRI | 1 | |
| LWRIO | 2 |