2006 Fiscal Year Final Research Report Summary
Policy Measure Evaluation by an Urban Model for Maintaining Sustainable Urban Form of Depopulated Cities
| Project/Area Number |
17560478
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| Research Category |
Grant-in-Aid for Scientific Research (C)
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| Allocation Type | Single-year Grants |
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| Section | 一般 |
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| Research Field |
交通工学・国土計画
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| Research Institution | Kansai University |
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Principal Investigator |
KITAZUME Keiichi Kansai Univ., Dep.of Engineer, Associate Professor, 工学部, 助教授 (50282033)
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| Co-Investigator(Kenkyū-buntansha) |
MIYAMOTO Kazuaki Musashi Institute of Technology, Faculty of Environmental and Information Studies, Professor, 環境情報学部, 教授 (90150284)
INOKUCHI Hiroaki Kansai Univ., Dep.of Engineer, Research Associate, 工学部, 助手 (10340655)
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| Project Period (FY) |
2005 – 2006
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| Keywords | Depopulation / Analysis of City / Policy for settlement |
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| Research Abstract |
Many cities will decrease in population in Japan where depopulation is already observed at the nation level. However, conventional city models and urban economic theories as the bases consider the only expansion mechanism of a city and are not able to correspond in depopulation. First of all, this research extracted some depopulated cities from Kinki area and analyzed land-use change in each city. Although populations of the cities are decreasing, we found that many residents at twenties or thirties years old who want to purchase houses first in their lives live in expanding fringe areas by comparing age constitutions in city planning areas and DIDs in depopulated cities where is expanding in area with ones in other areas. High amenity residential spaces should be developed in the city center or its surroundings and these residents should be promoted to move to there for preventing expansion of city areas and keeping green areas. On the other hand, it is thought that cities between met
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ropolitan cities, for example, ones between Osaka and Kobe or Kyoto, become good candidates for their residential areas in Kinki area Because these cities are located near the center of metropolitan area and have much stock of infrastructure and then we can expect improvement of buildings and facilities by the large unit of block. In the center or its surroundings of a city, the unit of trade of land is very small since land tends to be supplied to a market by small unit, and furthermore the timing of supply is various. Therefore, it is difficult to use an equilibrium scheme and aggregated approach. Then a cohort type model which can forecast residential population and corresponding land-use by very small unit is developed. As the results, population and structures of family member and ages change according to conditions of lands and houses by the small unit along time passing before or after an infrastructure development and the difficulty of forecasting of not only future population at twenties years old who usually go out and come in but also future location of aged people whose new movements are observed from the view point of medical care is understood. Less
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Research Products
(5 results)
