CH15

Geography
fluvial
associated with processes and landforms associated with the action of running water
stable conditions
geologic norm; soil erosion and soil formation is at equilibrium
alluvium
eroded soil particle enter streams/ other vehicles of overland flow, carried down stream/ valley due to gravity and accumulate as stream/ lake sediments along valley floors
stream transportation
Movement of eroded particles while suspended in the body of the stream
capacity
maximum amount of stream load that can be carried by a stream
graded profile
gradient is just sufficient to carry the average annual load of water/ sediment produced by its drainage basin
aggradation
beds of stream become raised as more material is deposited
peneplain
old eroded land with little topographical relief; featureless
playa
salt flats; dry lakes; surface is hard, dry and smooth; devoid of vegetation

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