Joseph N. SuhaydaMay 31, 2011

South East Louisiana Coast (LANDSAT 1993)

Prepared by NSEL/LWRRI/LSU

Multiple Lines of DefenseMultiple Lines of Defense

Base Flood ElevationBase Flood Elevation

PPSIPPPSIP ConceptualConceptual Restoration PlanRestoration Plan

DRAFT

Plan 4 Bathymetry

1.0

0.5

0.0

-0.5

-1.0

Base Bathymetry

Difference

Difference, m

Increased elevation

Decreased elevation

10.0

5.0

0.0

-2.0

Depth, m

Land

Water

0

-2

10Initial

Final

Final-Initial=-12 (negative: land built)

DRAFT

Track 025

Track 108

Track 126

Track 150Selected Storms(~ 100 yr)

DRAFT

Base Condition Plan 4 Condition

Difference

Maximum Surge Envelope Storm 025

Difference, m

Track 025Track 108

Track 126

Track 150

DRAFT

Wave Height Analysis Flood Insurance Study Wave Height Analysis Flood Insurance Study

WHAFIS Wave Heights

0

1

2

3

4

5

6

7

0 500 1000 1500 2000 2500 3000 3500 4000 4500 5000 5500

Distance, ft

Wav

e H

eig

ht,

ft

Open Water

Bay

Marsh

Trees

Cross-Cross-sectionsection

ObliqueObliqueViewView

Plaquemines Parish Coastal Plaquemines Parish Coastal Restoration Restoration

Proposed Wetland Vegetation Proposed Wetland Vegetation PlanPlan

WHAFIS Wave Heights

0

1

2

3

4

5

6

7

8

0 1000 2000 3000 4000 5000 6000 7000

Distance, ft

Wav

e H

eigh

t, ft

Open Water

Plan A

Plaquemines Parish Protection & Restoration ProgramPlaquemines Parish Protection & Restoration ProgramReach B-2Reach B-2

Reach B-2 (Forested Ridge)Approximately : 8 Miles in Length 500 Feet Wide 10 Feet High 8.5 Million Cubic Yards of Fill Cost: $ 50 Million

Multiple Lines of Defense PlanMultiple Lines of Defense Plan