Channel Assessment Procedure Field Guidebook

[Table of Contents]

Appendix 2.

Diagnostic channel keys


Morphology:
Disturbance level:
Code:
Step-pool
Moderately degraded
SPb-w: D2
SPb-w
D2




Relevant field indicators:
S5, C2, C5, D2
Generally:
Boulder and cobble lines completely disorganized.
Flow is around boulders.
LWD not common but occasionally present.
Bank erosion occurs in small localized areas (only in alluvial bank sections).
Boulders are not covered in moss.

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