Fluvial Landforms and Processes

Fluvial Landforms - Fluvial Landforms and Processes Network geometry all streams in adjustable materials will from a dendritic(tree-like branching

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Fluvial Landforms and Processes Network geometry all streams in adjustable materials will from a dendritic (tree-like, branching) network all other channel networks (radial, trellis, rectangular, distributary, annular) result from structural control deterministic explanation o represents the movement of water with the least expenditure of energy; least path length o governed by conservation of energy in an open system o acute junctions involve least rate of work (power) expended and therefore neither erosion (excess energy) of deposition (insufficient energy to transport the load) probabilistic explanation o branching networks are high probable random structures o they can be produced from a random walk model (using random number, dice or a bingo machine) o this, however, is only a explanation of the form and not the origin ( e.g. headward erosion or progressive intersection of channels) Basin morphology: fluvial landforms river valley V-shaped while river degrades flat floor with aggradation most common landform in the world genetic classification (
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This note was uploaded on 12/15/2011 for the course GLY GLY100 taught by Professor Jaymuza during the Fall '10 term at Broward College.

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Fluvial Landforms - Fluvial Landforms and Processes Network geometry all streams in adjustable materials will from a dendritic(tree-like branching

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