SPECIAL ISSUE “Coastal Environment and Regeneration Technology”

Oka, Kohei

doi:10.7211/jjsrt.35.503

Cited by 2 publications

References 19 publications

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Challenging a Hybrid Between Green and Gray Infrastructure: Coastal Sand-Covered Embankments

Matsushima

Zhong

2022

Ecological Research Monographs

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While coastal areas are one of the most highly developed areas in the world, they have always been exposed to the danger of disaster. In response to the extreme events that increase every year owing to the effects of climate change, it is necessary to switch from coastal conservation that relies on existing infrastructure (gray infrastructure) to green infrastructure that utilizes ecotone. However, the reproduction of ecotones poses great challenges in many coastal areas. Therefore, we introduce a new approach to the complementary infrastructure development of gray and green functions, which involves conversion of the existing infrastructure, namely tide embankment, into dunes with sand-covering their slope, to be utilized as hybrid infrastructure. It was confirmed that the sand-covered embankments expanded the habitat of dune plants and protected the tide embankment body from high temperatures. This sand-covered embankment was also used as a place for environmental education for local elementary and junior high school students, and the multi-functionality of the hybrid infrastructure that grows over time was confirmed through the participation of various individuals.

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