going green living shorelines maine...coir roll & oyster bag root wad ... *educe runoff velocity...

11
Going Green Living Shorelines Maine Using a Instability Rating and Decision Tree For Living Shoreline & Stabilization Alternatives

Upload: others

Post on 22-Jul-2020

0 views

Category:

Documents


0 download

TRANSCRIPT

Page 1: Going Green Living Shorelines Maine...COIR ROLL & OYSTER BAG ROOT WAD ... *educe runoff velocity with cascade step pool design . Reconnaissance Level Assessment (RLA) Review Landscape

Going GreenLiving Shorelines Maine

Using a Instability Rating and Decision Tree

For Living Shoreline & Stabilization Alternatives

Presented by Troy Barry, Fluvial Geomorphologist - Headwaters Hydro

Page 2: Going Green Living Shorelines Maine...COIR ROLL & OYSTER BAG ROOT WAD ... *educe runoff velocity with cascade step pool design . Reconnaissance Level Assessment (RLA) Review Landscape

Shoreline Management Assessment (SMA)

• Reconnaissance Level Assessment (RLA)

• Prediction Level Assessment (PLA)

• Design Level Assessment (DLA)

Developed by Troy Barry

Page 3: Going Green Living Shorelines Maine...COIR ROLL & OYSTER BAG ROOT WAD ... *educe runoff velocity with cascade step pool design . Reconnaissance Level Assessment (RLA) Review Landscape

Reconnaissance Level Assessment (RLA)

Page 4: Going Green Living Shorelines Maine...COIR ROLL & OYSTER BAG ROOT WAD ... *educe runoff velocity with cascade step pool design . Reconnaissance Level Assessment (RLA) Review Landscape

Instability Assessment Rating(Step 2 of RLA)

• 12 Parameters

• Good (1): 1-15

• Fair (2): 16-27

• Poor (3): 28-36

Refer to your handout

Page 5: Going Green Living Shorelines Maine...COIR ROLL & OYSTER BAG ROOT WAD ... *educe runoff velocity with cascade step pool design . Reconnaissance Level Assessment (RLA) Review Landscape

Prediction Level Assessment (PLA)

Page 6: Going Green Living Shorelines Maine...COIR ROLL & OYSTER BAG ROOT WAD ... *educe runoff velocity with cascade step pool design . Reconnaissance Level Assessment (RLA) Review Landscape

Mackworth Island Site #4 (RLA)

Page 7: Going Green Living Shorelines Maine...COIR ROLL & OYSTER BAG ROOT WAD ... *educe runoff velocity with cascade step pool design . Reconnaissance Level Assessment (RLA) Review Landscape

Design Level Assessment (DLA)

Page 8: Going Green Living Shorelines Maine...COIR ROLL & OYSTER BAG ROOT WAD ... *educe runoff velocity with cascade step pool design . Reconnaissance Level Assessment (RLA) Review Landscape

Living Shoreline Concepts

• Coir Roll & Live Staking

• Rootwads & Woody Planting

• Vegetation Dissipation

• Oyster Shell Bags

COIR ROLL & LIVE STAKING

ROOT WAD – WOODY DEBRISCOIR ROLL & OYSTER BAGImage source: Delaware

Page 9: Going Green Living Shorelines Maine...COIR ROLL & OYSTER BAG ROOT WAD ... *educe runoff velocity with cascade step pool design . Reconnaissance Level Assessment (RLA) Review Landscape

Conceptual DLA on Mackworth Island

Rootwads, Brush Mattress, Vanes

Page 10: Going Green Living Shorelines Maine...COIR ROLL & OYSTER BAG ROOT WAD ... *educe runoff velocity with cascade step pool design . Reconnaissance Level Assessment (RLA) Review Landscape

Conceptual DLA on Mackworth Island

Rootwads, Brush Mattress, Vanes

Page 11: Going Green Living Shorelines Maine...COIR ROLL & OYSTER BAG ROOT WAD ... *educe runoff velocity with cascade step pool design . Reconnaissance Level Assessment (RLA) Review Landscape

Conceptual DLA on Mackworth Island

Rootwads, Brush Mattress, Vanes