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Seasonal seagrass growth and senescence exSeasonal seagrass growth and senescence exert a strong influence on shallow coastal environments. We applied a hydrodynamic and sediment transport Delft3D model that included coupled effects of seagrass on flow, waves, and sediment resuspension in a shallow coastal bay to quantify seasonal seagrass effects on bay dynamics. Simulation results show that seagrass meadows significantly attenuated flow (60%) and waves (20%) and reduced suspended sediment concentration (85%) during the growing season. Although low-densities of seagrass in winter had limited effects on flow and wave attenuation, small changes in winter seagrass density could alter the annual sediment budget of these seagrass ecosystems.iment budget of these seagrass ecosystems.  +
qz3cp@virginia.edu  +
CSDMS 2020 Webinars  +
University of Virginia  +
Virginia  +
CSDMS Summer Science Series II: Quantifying seasonal seagrass effects on flow and sediment dynamics in a back-barrier bay  +
10:00:00, 14 July 2020  +
United States  +
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15:24:46, 2 July 2020  +
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22:34:03, 11 June 2025  +
Delft3D  +  and Seagrass  +
Coastal Working Group  +  and Coastal Vulnerability Initiative  +