Nearshore Waves and Erosion Model Quantifying the Coastal Protection Benefits Provided by Natural Habitats.

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Presentation transcript:

Nearshore Waves and Erosion Model Quantifying the Coastal Protection Benefits Provided by Natural Habitats

Inputs Coastal Vulnerability Model Nearshore Waves and Erosion Model Know the Environment Evaluate Scenarios Coastal Protection Model

Inputs ozcoast.org Site Characteristics Storm Characteristics Management Action Biotic Features Coral Cay Conservation Social Data Outputs

Inputs ozcoast.org Site Characteristics Storm Characteristics Management Action Coral Cay Conservation Social Data Relative Exposure USGS Avoided Eroded & Inundated Area Short & Long Term Effects of Seawalls Avoided Property Damage Avoided Number of People Affected Outputs ab Biotic Features

Nearshore Wave and Erosion Model

oyster reef Nearshore Wave and Erosion Model seagrass beds marshes mangroves coral reefs sand dunes

Bathymetry/Topography Storm InfoWaves

Wave Model Bathymetry/Topography Storm InfoWaves

Wave Model Wave height Bathymetry/Topography Storm InfoWaves

Wave Model Wave height Total Water Level Bathymetry/Topography Storm InfoWaves

Wave Model X-Shore Erosion Wave height Inundation Total Water Level Bathymetry/Topography Storm InfoWaves

Wave Model X-Shore Erosion Wave height Inundation Total Water Level Bathymetry/Topography Storm InfoWaves

Wave Model X-Shore Erosion Wave height Inundation Total Water Level Bathymetry/Topography Storm InfoWaves Storm Surge Storm Model

Wave Model X-Shore Erosion Wave height Storm Surge Inundation Total Water Level Storm Model Bathymetry/Topography Storm InfoWaves

Profile Generator conceptart.org

Profile Generator

Nearshore Waves and Erosion S.Maciejewski

Nearshore Waves and Erosion

15 hrs Storm H max =3m T=8s Mendez&Losada, 2004 Run Wave Model Dean&Bender, 2006

Example Outputs: Seagrass Beds

Wetlands Attenuate Waves

interiorclip.com Wetlands Can Replace Structures

Surge Height Seawall Levee No Vegetation Levee Vegetation 1 m3.5 m0.5 m0 m 2 m4.5 m2.5 m1.2 m interiorclip.com Wetlands Can Replace Structures

bayareaobserver.com Protect Marshes

Design Wave H=1m; T=5s Example Outputs: Oyster Reefs

Oysters to the Rescue