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

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Presentation on theme: "Nearshore Waves and Erosion Model Quantifying the Coastal Protection Benefits Provided by Natural Habitats."— Presentation transcript:

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

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

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

4 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

5 Nearshore Wave and Erosion Model

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

7 Bathymetry/Topography Storm InfoWaves

8 Wave Model Bathymetry/Topography Storm InfoWaves

9 Wave Model Wave height Bathymetry/Topography Storm InfoWaves

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

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

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

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

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

15 Profile Generator conceptart.org

16 Profile Generator

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18

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20 Nearshore Waves and Erosion S.Maciejewski

21 Nearshore Waves and Erosion

22

23

24 15 hrs Storm H max =3m T=8s Mendez&Losada, 2004 Run Wave Model Dean&Bender, 2006

25 Example Outputs: Seagrass Beds

26 Wetlands Attenuate Waves

27

28 interiorclip.com Wetlands Can Replace Structures

29 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

30 bayareaobserver.com Protect Marshes

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

32 Oysters to the Rescue

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34

35

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