What Is Avulsion

question 9

Multiple Choice

What is avulsion?

• A) A flooding stream permanently leaves its old channel to form a new floodplain channel.
• B) A stream tends to avoid moving in a straight line: it tends to meander.
• C) Streams often drop most of their sediment load quickly as the water velocity drops after a flood peak.
• D) Streams tend to maintain a nearly constant meander radius for a given discharge.
• E) Streams tend to be locked into their meandering channels, avoiding changing channels during a flood.

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Definitions:

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