d_hori_distinct
for further information see Explanatory Item: 133
| CODE | DESCRIPTION | THICKNESS_OF_BOUNDARY_ZONE | FROM_YEAR | TO_YEAR |
|---|---|---|---|---|
| 1 | Extremely abrupt | 0.3 - 1 cm | 1984 | |
| 2 | Very abrupt | 1 - 2 cm | 1984 | |
| 3 | Abrupt | 0 - 2 cm | 1984 | |
| 4 | Clear | 2 - 5 cm | 1984 | |
| 5 | Gradual | 5 - 15 cm | 1984 | |
| 6 | Diffuse | >15 cm | 1984 |