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Full-Text Articles in Life Sciences

Large-Scale Variation In Wave Attenuation Of Oyster Reef Living Shorelines And The Influence Of Inundation Duration, Rebecca L. Morris, Megan K. La Peyre, Bret M. Webb, Danielle A. Marshall, Donna M. Bilkovic, Just Cebrian, Giovanna Mcclenachan, Kelly M. Kibler, Linda J. Walters, David Bushek, Eric L. Sparks, Nigel A. Temple, Joshua Moody, Kory Angstadt, Joshua Goff, Maura Boswell, Paul Sacks, Stephen E. Swearer Jan 2021

Large-Scale Variation In Wave Attenuation Of Oyster Reef Living Shorelines And The Influence Of Inundation Duration, Rebecca L. Morris, Megan K. La Peyre, Bret M. Webb, Danielle A. Marshall, Donna M. Bilkovic, Just Cebrian, Giovanna Mcclenachan, Kelly M. Kibler, Linda J. Walters, David Bushek, Eric L. Sparks, Nigel A. Temple, Joshua Moody, Kory Angstadt, Joshua Goff, Maura Boswell, Paul Sacks, Stephen E. Swearer

Civil & Environmental Engineering Faculty Publications

One of the paramount goals of oyster reef living shorelines is to achieve sustained and adaptive coastal protection, which requires meeting ecological (i.e., develop a self-sustaining oyster population) and engineering (i.e., provide coastal defense) targets. In a large-scale comparison along the Atlantic and Gulf coasts of the United States, the efficacy of various designs of oyster reef living shorelines at providing wave attenuation was evaluated accounting for the ecological limitations of oysters with regards to inundation duration. A critical threshold for intertidal oyster reef establishment is 50% inundation duration. Living shorelines that spent less than half of the time ( …


Laboratory Study Of The Effects Of Flexible Vegetation On Solute Diffusion In Unidirectional Flow, Sha Lou, Hao Wang, Hongzhe Liu, Guihui Zhong, Larisa Dorzhievna Radnaeva, Elena Nikitina, Gangfeng Ma, Shuguang Liu Jan 2021

Laboratory Study Of The Effects Of Flexible Vegetation On Solute Diffusion In Unidirectional Flow, Sha Lou, Hao Wang, Hongzhe Liu, Guihui Zhong, Larisa Dorzhievna Radnaeva, Elena Nikitina, Gangfeng Ma, Shuguang Liu

Civil & Environmental Engineering Faculty Publications

Background

Flexible vegetation is an important part of the riverine ecosystem, which can reduce flow velocity, change turbulence structure, and affect the processes of solute transport. Compared with the flow with rigid vegetation, which has been reported in many previous studies, bending of flexible vegetation increases the complexity of the flow-vegetation-solute interactions. In this study, laboratory experiments are carried out to investigate the influence of flexible vegetation on solute transport, and methods for estimating the lateral and longitudinal diffusion coefficients in the rigid vegetated flow are examined for their applications to the flow with flexible vegetation.

Results

The experimental observations …