Morphology

MORPHOLOGICAL CLASSES are:
'alluvial fan', 'edge of scarp', 'hill', 'plain','ridge', 'saddle', 'slope', 'valley centre' and 'valley edge'

TOPOGRAPHICAL CLASSES are:
T1 - Flat surface, isolated slopes and cliffs with average slope angle i<=15°
T2 - Slopes with average slope angle i>15°
T3 - Ridges with crest width significantly less than the base width and average slope angle 15°<=i<=30°
T4 - Ridges with crest width significantly less than the base width and average slope angle i>30°
T5 - Top of the hill/ridge