Channel Assessment Procedure Field Guidebook

[Table of Contents]

Appendix 2.

Diagnostic channel keys


Morphology:
Disturbance level:
Code:
Step-pool
Moderately aggraded
SPr: A2
SPb
A2




Relevant field indicators: S3, S4
Generally:
Boulder lines are less distinct due to progressive infilling of intervening pools.
Sediment filling pools is moved regularly (several times per year) and is loosely packed and devoid of moss.
Stream sediments are present along channel bank tops and surrounding near-bank environments.

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