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.35
THE EXAMINATION OF DEFLECTED VEGETATION HEIGHT CONSIDERING THE RATIO OF THE LENGTH OF SAV AND WATER DEPTH
Daisuke SASAKIKeisuke NAKAYAMAYutaro NAKANISHIYasuyuki NAKAGAWAKazufumi TADAKatsuaki KOMAI
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2019 Volume 75 Issue 2 Pages I_504-I_509

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Abstract

 To reduce the impact of global warming, “blue carbon” has been received attention as carbon stocks which can be captured and stored by marine plants and animals. With the growth of eelgrass, Zostera marina, carbon dioxide can be absorbed, and the captured carbon can be stored at the sea bottom due to the renewal of eelgrass. When considering how eelgrass meadow efficiently absorb carbon, it is important to evaluate deflected vegetation height (DVH) in a uniform flow field since it affects the absorption rate of carbon by photosynthesis of SAV. This study thus aims to examine DVH based on conditions of water depth and flow rate. It was found that the ratio of the length of SAV and water depth is an important factor to control deflected vegetation height. It was found that completely submersion limit can be presumed by using Ca and B.

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© 2019 Japan Society of Civil Engineers
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