Journal of Japan Society of Civil Engineers, Ser. B3 (Ocean Engineering)
Online ISSN : 2185-4688
ISSN-L : 2185-4688
Annual Journal of Civil Engineering in the Ocean Vol.38
ASSESSMENT OF SAV COLONY’S IMPACTS ON FLOW USING LABORATORY EXPERIMENTS AND NUMERIC SIMULATIONS
Keita MATSUMURAHiroki MATSUMOTOKeisuke NAKAYAMAKazufumi TADATetsuya SHINTANIHideo YOSHIMURA
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2022 Volume 78 Issue 2 Pages I_853-I_858

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Abstract

 “Blue carbon”, carbon absorption due to photosynthesis in aquatic ecosystems, has been considered mitigation measures for climate change. Blue carbon-forming seagrass are not only uniformly distributed throughout shallow water areas but also often distributed in patches, creating a high potential for interactions with currents to create complex flow regimes. As a result, carbon capture in a water body is greatly affected, making it difficult to estimate its sequestration accurately. In response to such problems, a submerged aquatic vegetation model (SAV model) that can reproduce the interaction with the flow field in detail has been proposed in the previous studies. This study aims to clarify the influence of SAV colonies on the flow field using the SAV model. The results confirmed the high reproducibility of the SAV model and indicated that the deflection of SAVs might be a significant factor controlling the flow field around the SAV colony.

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© 2022 Japan Society of Civil Engineers
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