Corridor Plan Overview What is a corridor plan? Existing and Future - - PowerPoint PPT Presentation

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Mar 30, 2024 211 likes •386 views

Corridor Plan Overview What is a corridor plan? Existing and Future Conditions Flood and River Process Hazards Habitat Conditions and Recovery Potential Tolt River Basin Planning Area Alluvial Fan Reach 1936 and 1964 Hazard and Risk

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Corridor Plan Overview

What is a corridor plan?

Flood and River Process Hazards Habitat Conditions and Recovery Potential Existing and Future Conditions

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Tolt River Basin

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Planning Area

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Alluvial Fan Reach 1936 and 1964

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 Floods

 Deep and Fast Flow Areas  Isolation

 Channel Processes

 Lateral migration  Avulsions  Breach hazards

 Landslides

Hazard and Risk Identification

January 2009 January 2015

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 Existing Habitat Types  Habitat Metrics  Restoration and Preservation

Potential

Habitat Conditions

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January 2009

Alluvial Fan Reach

 Flood hazards  Breach hazards  Risks to transportation

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Alluvial Fan Reach

January 2015

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 Habitat conditions:

 Poor floodplain

connectivity

 Poor aquatic habitat

quality

 Poor to high quality

riparian conditions

 High potential for

improvements

Alluvial Fan Reach

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Valley Reach

 Channel migration and

avulsion hazards

 Deep and fast flow

hazards

 Isolation and restricted

access

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Valley Reach

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Valley Reach

 Habitat conditions:

 Poor to high floodplain

connectivity

 Poor to high aquatic

habitat quality

 Poor to high quality

riparian conditions

 Potential for

improvements and preservation

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Questions and Discussion

What are your biggest concerns? Can you give us feedback on our results? Are there other problem areas you’d like to

discuss?

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