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Field trials on a Living Dike in British Columbia: wave attenuation of edge treatment features Flooding poses a significant challenge for coastal cities worldwide, and recent interest has focused on implementing nature-based infrastructure projects for coastal flood risk management. However, a lack of monitoring data and technical guidance hampers their adoption. This study addresses this gap by providing wave transmission coefficients (Kt) for four edge treatment features at the Living Dike pilot project in Boundary Bay, British Columbia. Near-shore wave data from RBR pressure sensors deployed in cross-shore transects at the project site are supplemented by biweekly field observations assessing treatment stability and weathering. The four edge treatment features provided statistically significant reductions in wave height, with the brushwood dam exhibiting the lowest wave transmission coefficients at values of relative freeboard to significant wave height below -2 (0.25 < Kt < 0.75). These findings offer valuable insights into the use of nature-based infrastructure projects for coastal flood risk management strategies. 2024-04-25 English Foster, Braydon Chara Serna, Ana Lintern, Gwyn Murphy, Enda Chara Serna, Ana Ransome, Douglas British Columbia Institute of Technology School of Construction and the Environment 2492 PDF British Columbia Institute of Technology Text This license enables reusers to copy and distribute the material in any medium or format in unadapted form only, for noncommercial purposes only, and only so long as attribution is given to the creator. CC BY-NC-ND includes the following elements: BY: credit must be given to the creator. NC: Only noncommercial uses of the work are permitted. ND: No derivatives or adaptations of the work are permitted. https://creativecommons.org/licenses/by-nc-nd/4.0/ Flood control Tidal marshes Plants