Water Stewardship Information Sources
| ID | 2925 |
|---|---|
| Citation | Weiland, I. and J. Schwab (1996) Floodplain Erosion Hazard Mapping Zymoetz (Copper) River, Terrace, B.C., Forest Sciences, Prince Rupert Forest Region, BC Forest Service. Extension Note #18, August, 1996. |
| Organization | Ministry of Forests |
| URL | https://www.for.gov.bc.ca/rni/research/Extension_notes/Enote18.pdf |
| Abstract/Description or Keywords | Several sections along the lower 50 km of the Zymoetz River form a wandering gravel-bed river. Particularly "wild" are the reaches between road km 25 and 45, upstream and downstream of the Clore River junction. We have prepared a floodplain erosion hazard map for the lower Zymoetz River floodplain. The map shows areas exposed to streambank erosion and sites of possible channel changes in the near future. The floodplain erosion hazard map can assist engineers/planners in the relocation of the existing road onto less erosion-prone sites. Given the present state of channel disequilibrium, channel adjustments will continue for several years. Locally, streambank erosion may accelerate. Any design of streambank protection must consider potential downstream impacts. New development, channel restoration or habitat enhancement projects on the floodplain must take into accountthe highly dynamic fluvial regime of the lower Zymoetz River. Copper River Forest Road; channel avulsion; floods; extreme fall rainstorms and floods; road and pipeline location; channel change; management implications; Prince Rupert Forest Region |
| Information Type | Article |
| Regional Watershed | Zymoetz River |
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