Understanding the Connections Between Coastal Waters and Ocean Ecosystem Services and Human Health Workshop Summary (2014) / Chapter Skim
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6 Coastal Change and Human Health
6 Coastal Change and Human Health
Pages 83-88
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can play in mitigating flooding and in wave attenuation. These ecosystems play a critical role in mitigating low-magnitude, high-frequency events such as storm surges and flooding that can be disruptive to community life.
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From page 84... ...
In this study the water flow velocity, turbulence, and total turbulent kinetic energy were different in land bodies with a Spartina alterniflora marsh canopy compared to those without. Studies also indicate that the coastal 1 Louisiana's Comprehensive Master Plan for a Sustainable Coast is available at: http://issuu.com/coastalmasterplan/docs/coastal_master_plan-v2?
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have value for coastal hazard mitigation and climate change adaptation. Factors identified in potentially influencing wave attenuation included marsh species identity or type, density, height, percent cover, and patch size and location.
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In closing, Reed stated that the important message for coastal protection is the way in which intact, restored barrier islands, and wetlands interact with coastal water movements. It is not about big events such as Katrina, but the protection ecosystem services provide in mitigating the moderate events that happen more frequently.
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Christopher Portier and Linda McCauly both commented on the adverse impact of high-frequency events and ecosystem degradation on communities along the coast. Reed gave an example of a Native American community that has been dwindling over time in response to frequent events and ecosystem degradation.
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From page 88... ...
2009. Idealized marsh simulations: Sensitivity of storm surge elevation to seabed elevation.
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