Watershed Geomorphology. Motivation. Effect of water on landscape: Whereas hydrologists are mostly concerned with the movement of water, a common task is to assess the impact of water flow on the transport of materials – sediment and solutes Effect of landscape on water
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Water, sediment, and solutes are byproducts of watershed processing
Horton’s Laws of Drainage Networks
Law of stream areas
Law of stream lengths
Exponent tends to be near 0.6 for all rivers. What does this mean?
WITHIN a drainage basins, bankfull flow tends to scale log-linearly with area.
b 0.1-0.2 0.5
f 0.4 0.33-0.4
m 0.4-0.5 0.10-0.17
What are the implications?