Assertion: permanent gully | /r/CreatedBy | hortonian runoff
Facets:
value: on valley slopes
type: LOCATION
Source sentences:
text: Topographic threshold relationships (with drainage area, soil type, and slope as parameters) accurately predict the locations of permanent gullies caused by Hortonian runoff on valley slopes (e.g., in warm sub-humid Swaziland [ 92 ]) and valley bottomlands (e.g., in semi-arid Mediterranean Iberian Peninsula [ 74 ] and semi-arid western Colorado