Northern Connecticut River Fluvial Geomorphology Assessment – Appendix 5

Do Nothing Option

Pros:- No investment- Avoid complicated

setting- Slow rate of erosion

Cons:- Does not address

concerns- Instability remain

Northern Connecticut River Fluvial Geomorphology Assessment – Appendix 5

Northern Connecticut River Fluvial Geomorphology Assessment – Appendix 5

Conservation Easement Option

Pros:- Slower rate of erosion- Improve habitat- Erosion concerns

alleviated- Low cost

Cons:- Several years before

well established- Poor soils on fan

surface- High plant mortality

Northern Connecticut River Fluvial Geomorphology Assessment – Appendix 5

Northern Connecticut River Fluvial Geomorphology Assessment – Appendix 5

Bioengineering Option

Pros:- Create habitat- Bank stabilization- Demonstration value- Compatible with

easement option

Cons:- Expensive- Difficult to secure on

high gravelly bank- Short term protection

Northern Connecticut River Fluvial Geomorphology Assessment – Appendix 5

Northern Connecticut River Fluvial Geomorphology Assessment – Appendix 5

Channel Realignment Option

Pros:- Relieve pressure on

bank- Channel placed

where good cover

Cons:- Possible unintended

consequences- Expensive- Permitting difficulties

Northern Connecticut River Fluvial Geomorphology Assessment – Appendix 5

Northern Connecticut River Fluvial Geomorphology Assessment – Appendix 5

Remove Riprap Option

Pros:- Accommodates

excess sediment- Improve stability

downstream- Compatible with

easement option

Cons:- Erosion increased- Public resistance- Remote chance of

extending beyond easement

Northern Connecticut River Fluvial Geomorphology Assessment – Appendix 5

Northern Connecticut River Fluvial Geomorphology Assessment – Appendix 5

Alluvial Fan Access Option

Pros:- Decrease sediment

supply- Relieve pressure on

VT 102- Return to more

natural condition

Cons:- Further assessment

needed- Limited area available- Public resistance- No short term

improvements

Northern Connecticut River Fluvial Geomorphology Assessment – Appendix 5