コンパクトシティ形成過程における都市構造リスクに関する予見  [in Japanese] PERSPECTIVE OF NEW RISK ARISES AT THE PROCESS OF URBAN COMPACTION  [in Japanese]

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Abstract

人口減少とともに財政規模の縮小が予想される我が国では,交通・商業・医療などの都市サービス維持が困難になる.都市コンパクト化はこの解決策として期待できるが,実際のプロセスを考えると,一部地域での都市サービス撤退に伴って居住者の生活が一時的に困難になる可能性もある.しかし,そのようなリスク(都市構造リスク)の実態は全く考究されていない.本研究では時間軸を新たに考慮し,このような都市構造リスクの認知と実態をアンケート調査などから明らかにした.分析の結果,1)都市構造リスクは十分に認知されていないこと,2)想定する都市構造や都市サービスによってリスクは大きく異なること,3)コンパクトシティ形成過程においてBAU以上のリスクが発生する可能性があり,それを乗り越える必要があることが示された.

 The Japanese governmental budget is expected to decrease along with its population. Consequently, maintaining urban services such as public transportation, commerce, and medical services in many areas of urban sprawl regions will be difficult. Although urban compaction policy is regarded as useful to resolve these problems, the lives of residents might become difficult temporarily because withdrawal of urban services will occur in some areas through the process of urban compaction. To date, this aspect of such new risk (urban layout risk) has never been reported. In this study, newly considering the time axis, the knowledge and facts of urban layout risk are revealed through a questionnaire survey. Results show the following: 1) residents do not realize the attendant urban layout risk; 2) different urban layouts and services show differing impacts on urban layout risk; 3) compaction scenarios do not always show less risk than a Business As Usual (BAU) scenario in the middle of the process for urban reform. Results show that a continuing effort is necessary to realize long-range planning.

Journal

  • Journal of Japan Society of Civil Engineers, Ser. D3 (Infrastructure Planning and Management)

    Journal of Japan Society of Civil Engineers, Ser. D3 (Infrastructure Planning and Management) 68(2), 70-83, 2012

    Japan Society of Civil Engineers

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