Possible Revitalization of the Central Part of the Tokyo Metropolitan Area : ROXY-index Analysis of Spatial Cycles

The　major　four　stages　of　the　spatial－cycles　are　quantitatively　exa〃iined，　by　use　of　the　data　extending oレθrthe　past肋years（for　the　period　1947－2000り，プbr　the帥o　kinds（～f　urban　syste〃ls　i〃Japan．　The　one is　the　spatial　system　of　primary　core　cities，　and　the　other　is　that　of　the　Tokl＞・O　Metropolitan　Area．　The 脚”α’－cycle　h），pothesis　constructed　by　Klaa∬en　and　the〃3励04ψん8　Roη一index　analysis　deレψρε4わy the　author　are¢apptied　to　our　investigatゴ0π．　The・res〃ts・obtainedゴllum’nate　rather　ctearly　the　recent　trend of　the　revived　agglO〃ieration　of　the　POρulation　in　the　core　cities　q〃arge〃ietropolitan　areas，　especゴally that　towards　the　central　part　of　the　Tokyoルletroρolゴtan　Area．　This　would吻ly　that　the　core　Cめ・q勧θ Tokyo　Metropolitan　Area　W〃play　an　increasingly　critical　roleゴn　the　urわαπρ0’ゴdθ5　qプノapan，　as CO那ρακ4瞬んeither・its・suburban・area・or・the・core・cities（ゾ0∫h8r紹r〔）PO’itan・areas

Spatial Cycle Race 1985 : ROXY Index Analysis of the 1985 Population Census for Three Railway-line Regions in the Tokyo Metropolitan Area

13ased　on　七he　preliminary　counts　of　the　1985　popula七ion　census，　the　degree　of イ‘≠р魔≠獅??撃獅?獅煤@in　the　spatial　cycle　stage，，　is　examined　by　means　of　the　ROXY　index method　for　three　major　railway－line　regions　in　the　Tokyo　metropolitan　area．　The　results indicate　thaちamong　the　three　railway－1ine　regions　during　the　1980－85　period，　the　Chuo Line　region　was　at　the　most　advanced　s訟ge　along　the　circular　path　in　the　spatial　cycle framework．　This　region，　stretching　by　the　Japanese　National　Railway8　Clluo　Line， which　is　the　busiest　commuting　railway　line　in　the　Tokyo　metropolitan　area，　moved　to the　last　phase　of　the　post－suburbanizatio皿stage　with　the　arrival　of　the　1980s　and　would be　likely　to　come　close　to　the　rst　phase　of　the　recentralization　stage　around　the　beginning 　of　the　1990s．論文(Article

Speed of Suburbanization : Roxy index Analysis for Intra-Metropolitan Spatial Redistribution of Population in Japan

論文(Article

ROXY Index Analysis of Population Changes in Japan for 1960-85 : Spatial (De)centralization and (De)concentration

Tlle　spatial　cycles　hypothesis　is　investigated　through　the　analytical　method　of　ROXY　index． Consideration　is　given　to　both‘‘spatial　centralization　and　decentralization　pheno皿ena，，　and ‘‘ 唐垂≠狽奄≠戟@eoncentration　and　deeoncentration　phenomena，，　of　population　in　Japan；the　former phenomena　correspond　to　the　intra－metropolitan　redistribution　processes　of　population， while　the　latter　correspond　to　the　inter－metropolitan　redistribution　processes　of　population． It　may　be　laid　down　as　a　general　rule　that　the　empirical　results　of　the　study　would　reasonably support　the　basic　conceptual　framework　of　the　spatial　cycles　hypothesis．論文(Article