生活機能に基づく「基礎生活圏」の抽出手法の開発 : 紀伊半島,東日本大震災の被災地域を事例として

概要

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Great Eastern Japan Earthquake devastated broad and divergent areas that made municipality boundary or urban sphere inaccessible for disaster recovery planning unit. With the aim to achieve recovery in the context of living sphere, this paper examined basic living service and developed a process to allocate fundamental living spheres in Kii Peninsula, then applied it into destroyed coastal areas. It is found that, basic living service can be viewed as 3 layers structure (required, living-base, urban) in a cluster analysis. Depending on spatial distribution of basic living service, fundamental living sphere constructed by sphere core and other 4 portions can be acquired via spatial autocorrelation analysis. The application result clearly remarked 27 completely or partially inundated fundamental living sphere cores which clearified necessary issues for disaster recovery with aspect of living service.