Channel Assessment Procedure Field Guidebook

[Table of Contents]

Appendix 2.

Diagnostic channel keys


Morphology:
Disturbance level:
Code:
Cascade-pool
Severely degraded
CPb: D3
CPb
D3




Relevant field indicators:
S5, C1, C2, C5, B1
Generally:
Stone lines and diamonds absent.
Stream flow is rapid, with no ponding or slow-moving sections of water.
Channel bed consists primarily of bedrock.
No sediment present along channel.
Pools present <50% of the channel; flow is rapid through pools.
Most stones not moss-covered.
Minimal localized channel narrowing.

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