volume of water that flows through a stream channel
steep rivers, uplifted by tectonic plates
riverine environment, channel and floodplain, pools deep scar at high flow, riffles shallow fast moving
river base level
lowest lever to which river may erode, usually sea level
flood recurrence interval
estimated average time between past floods and current events
a heavily horizontal plateau on the beach face or backshore, formed by the deposition of beach material by wave action
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