Nearshore Waves and Erosion Model Quantifying the Coastal Protection Benefits Provided by Natural Habitats
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1 Nearshore Waves and Erosion Model Quantifying the Coastal Protection Benefits Provided by Natural Habitats
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4 SaveGuanaCayReef
5 Marinehindsight.com
6 Necessary to quantify protection services offered by natural habitats Tool should be applied in most decision contexts, worldwide Coastal Protection Model
7 Coastal Protection Model Inputs Coastal Vulnerability Model Know the Environment Evaluate Scenarios Nearshore Waves and Erosion Model
8 Nearshore Waves and Erosion Model Quantifying the Coastal Protection Benefits Provided by Natural Habitats 1- Overview 2- Description of Inputs 3- Example Run
9 Nearshore Wave and Erosion Model
10 Nearshore Wave and Erosion Model mangroves oyster reef marshes seagrass beds coral reefs sand dunes
11 Can We Use Existing Models? bigoo.ws Effects of vegetation on water level? Erosion of muddy substrate? High quality inputs required Expertise and experience required svasek.com McCall et al., 2010
12 Quantification of role of habitats bigoo.ws
13 Goal: Estimate the protective role of habitats during storms
14 Goal: Estimate the protective role of habitats during storms Now. Deadline:
15 Goal: Estimate the protective role of habitats during storms Now. Deadline: Everyone Who?
16 startswithabang.com
17 Quantification of role of habitats 1D Model eurocarblog.com
18 Quantification of role of habitats 1D Model eurocarblog.com Can handle most coastal habitats
19 Quantification of role of habitats 1D Model eurocarblog.com Can handle most coastal habitats Data paucity not a deal-breaker
20 Quantification of role of habitats 1D Model eurocarblog.com Can handle most coastal habitats Data paucity not a deal-breaker Lots of guidance
21 Quantification of role of habitats 1D Model eurocarblog.com Can handle most coastal habitats Data paucity not a deal-breaker Lots of guidance Fast and cheap to run
22 Gedney What s Under the Hood?
23 Bathymetry/Topography Waves Storm Info
24 Bathymetry/Topography Waves Storm Info Wave Model
25 Bathymetry/Topography Waves Storm Info Wave Model Wave height
26 Bathymetry/Topography Waves Storm Info Wave Model Wave height Total Water Level
27 Bathymetry/Topography Waves Storm Info Wave Model Wave height Total Water Level X-Shore Erosion Inundation
28 Bathymetry/Topography Waves Storm Info Wave Model Wave height Total Water Level X-Shore Erosion Inundation
29 Bathymetry/Topography Waves Storm Info Wave Model Profile Generator Tool Wave height Total Water Level X-Shore Erosion Nearshore Waves and Erosion Tool Inundation
30 Profile Generator conceptart.org
31 Profile Generator
32 Profile Generator
33 Profile Generator
34 Profile Generator
35 Let s Run It!
36 Profile Generator
37 Equilibrium Beach Profile
38 Sediment Size
39 Foreshore Slope sussex.ac.uk homeaway.com
40 Nearshore Waves and Erosion S.Maciejewski
41 Profile Generator
42 Nearshore Waves and Erosion
43 Nearshore Waves and Erosion
44 Nearshore Waves and Erosion
45 Conclusion Model quantifies amount of avoided erosion in nearshore regions
46 Conclusion Model quantifies amount of avoided erosion in nearshore regions Most (all) habitats taken into account
47 Conclusion Model quantifies amount of avoided erosion in nearshore regions Most (all) habitats taken into account Easy and cheap to run
48 Future Steps Stand-alone waves over habitat tools Wind and wave pre-processing tool Batch processing Maps! Valuation - $ mymauisunset
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51 Run Wave Model 15 hrs Storm H max =3m T=8s Dean&Bender, EC g g D b DVeg D 8 x Bot Mendez&Losada, 2004
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53 List of habitats Methods/E quations Flowchart
54 Example Outputs: Oyster Reefs Bathymetry Cross-Section Fetch Distances
55 Example Outputs: Oyster Reefs Design Wave H=1m; T=5s Base Width-1 Input Parameters Base Width+1 Crest Width-1 Input Parameters Crest Width+1 ReefHeight-1 Input Parameters ReefHeight+1 Kt Ht Kt Ht Kt Ht
56 Example Outputs: Seagrass Beds
57 Future Steps Model Release Oct/Nov 2011 mymauisunset
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59 Let s Run the Model! 59
60 Bathymetry/Topography Waves Storm Info Wave Model Storm Model Wave height Storm Surge Total Water Level X-Shore Erosion Inundation
61 Bathymetry/Topography Waves Storm Info Wave Model Storm Model Longshore Current Wave height Storm Surge Total Water Level Longshore Transport Potential X-Shore Erosion Inundation
62 Inputs Outputs Site Characteristics ozcoast.org Biotic Features Coral Cay Conservation Storm Characteristics Social Data Management Action
63 Inputs Site Characteristics Biotic Features Storm Characteristics Social Data Management Action ozcoast.org Coral Cay Conservation Outputs a Relative Exposure b Avoided Eroded & Inundated Area Avoided Number of People Affected Avoided Property Damage Short & Long Term Effects of Seawalls USGS
64 Model Provides Default Data Bathymetry
65 Model Provides Default Data Bathymetry Default beach profiles parameters
66 Model Provides Default Data Bathymetry Default beach profiles parameters Default habitats parameters
67 Model Provides Default Data Bathymetry Default beach profiles parameters Default habitats parameters Wind and wave input values
HURRICANE SANDY LIMITED REEVALUATION REPORT UNION BEACH, NEW JERSEY DRAFT ENGINEERING APPENDIX SUB APPENDIX D SBEACH MODELING
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