Forest Practices Code, Province of B.C.

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This Forest Practices Code Guidebook is presented for information only

It is not cited in regulation. The Forest and Range Practices Act and its regulations took effect on Jan. 31, 2004. This replaced the Forest Practices Code of British Columbia Act and regulations. For further information please see the Forest and Range Practices Act.

Channel Assessment Procedure Field Guidebook

December 1996


Forest Practices Code of British Columbia Act
Operational Planning Regulation
   Part 3 (Forest Development Plans)


Field procedure overview
Disturbance level analysis
Field operational rules
Field measurements and diagrams
Determining the type of channel morphology
Evaluating channel disturbance Channel keys
Field equipment


    1. Field forms
    2. Diagnostic channel keys
    3. Drainage network classification

List of figures

    1. Drainage network classification
    2. Identifying bankfull width
    3. Locations used to determine channel depth
    4. Illustration of the largest stone moved by flowing water, relative width,
        and relative roughness used to determine channel size

    5. Nomogram used to determine channel morphology
    6. Channel morphologies of small- and intermediate-sized channels
    7. Determining the influence of LWD on channel morphology
    8a. Small-sized channel morphology matrix showing levels of disturbance
    8b. Intermediate-sized channel morphology matrix showing levels of disturbance
    9a. Field indicators of channel disturbanceŚsedimentological features
    9b. Field indicators of channel disturbanceŚbank features
    9c. Field indicators of channel disturbanceŚmorphological features
    9d. Field indicators of channel disturbanceŚLWD features

List of tables

    1. Summary of the field procedure
    2. Channel types and associated characteristics

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