Before revision: Parallel drainage pattern Parallel drainage pattern A parallel drainage system occurs on a common slope down linear ranges (or of rivers between linear series of escarpments, parallel, elongate landforms like outcropping resistant rock bands), typically following natural faults or erosion (such as prevailing wind scars).
After revision: Parallel drainage pattern Parallel drainage pattern A parallel drainage system occurs on elongate landforms like outcropping resistant rock bands), typically following natural faults or erosion (such as prevailing wind scars).