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Rib And Groove Topography Technical Terms
Rib And Groove Topography: A local scale topography composed of repeating, small, high-angle (slopes generally 20 - 90 %), tertiary spur ridges or mini-interfluves (ribs) separated by small, natural, narrow drainageways (grooves); the overall effect is a corrugated transverse surface, common on the mid and lower slopes of well dissected uplands in semi-arid to humid environments (e.g. Basin and Range, Ozarks, etc.). Micro-elevational differences generally range from < 3 to < 15 m. SW