Channel Assessment Procedure Field Guidebook

[Table of Contents]

Appendix 2.

Diagnostic channel keys


Morphology:
Disturbance level:
Code:
Step-pool
Severely aggraded
SPb-w: A3
SPb-w
A3




Relevant field indicators:
S3, S4, C3, D2, D3
Generally:
Step-pool morphology not evident due to complete infilling of pools.
Stream flow is rapid and appears as chutes separated by higher sediment deposits.
Large sediment wedges can be associated with log jams or large root wads.
All sediment is devoid of moss.

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