Field excursion – the changes of old sendai

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  • 1. Field excursion – The changes of old Sendai City Saturday, 20 April 2013
  • 2. Field excursion map (Old Sendai City) GIS : Fatwa Ramdani, Tohoku University, 2013
  • 3. Modern administrative area GIS : Fatwa Ramdani, Tohoku University, 2013
  • 4. The main cross road in the ancient time
  • 5. The changes of population (A) (A) (B) (C) A/A A/B A/B B/C A/C 統計年月日 仙台市の 現・仙台市域 仙台圏の 宮城県の (%) (%) (%) (%) (%) 人口(人) の人口(人) 人口(人) 人口(人)1920年(大正9年) 118,984 190,013 320,770 961,768 62.6 37.1 59.2 33.4 12.41925年(大正14年) 142,894 221,709 364,002 1,044,036 64.5 39.3 60.9 34.9 13.71930年(昭和5年) 190,180 252,017 409,351 1,142,784 75.5 46.5 61.6 35.8 16.61935年(昭和10年) 219,547 278,821 450,591 1,234,801 78.7 48.7 61.9 36.5 17.81940年(昭和15年) 223,630 284,132 465,094 1,271,238 78.7 48.1 61.1 36.6 17.61947年(昭和22年) 293,816 331,570 563,727 1,566,831 88.6 52.1 58.8 36.0 18.81950年(昭和25年) 341,685 380,217 623,833 1,663,442 89.9 54.8 60.9 37.5 20.51955年(昭和30年) 375,844 414,775 669,422 1,727,065 90.6 56.1 62.0 38.8 21.81960年(昭和35年) 425,272 459,876 719,550 1,743,195 92.5 59.1 63.9 41.3 24.41965年(昭和40年) 480,925 520,059 784,615 1,753,126 92.5 61.3 66.3 44.8 27.41970年(昭和45年) 545,065 598,950 881,306 1,819,223 91.0 61.8 68.0 48.4 30.01975年(昭和50年) 615,473 709,326 1,018,375 1,955,267 86.8 60.4 69.7 52.1 31.51980年(昭和55年) 664,868 792,036 1,126,742 2,082,320 83.9 59.0 70.3 54.1 31.91985年(昭和60年) 700,254 857,335 1,209,050 2,176,295 81.7 57.9 70.9 55.6 32.21990年(平成2年) 918,398 918,398 1,292,282 2,248,558 100.0 71.1 71.1 57.5 40.81995年(平成7年) 971,297 971,297 1,381,877 2,328,739 100.0 70.3 70.3 59.3 41.72000年(平成12年) 1,008,130 1,008,130 1,437,181 2,365,320 100.0 70.1 70.1 60.8 42.62005年(平成17年) 1,025,098 1,025,098 1,463,279 2,360,218 100.0 70.1 70.1 62.0 43.42010年(平成22年) 1,045,986 1,045,986 1,490,098 2,348,165 100.0 70.2 70.2 63.5 44.52012年12月1日 1,063,024 1,063,024 1,502,358 2,326,957 100.0 70.8 70.8 64.6 45.7(推計人口) http://ja.wikipedia.org/wiki/仙台市
  • 6. Sendai Subway Tozai Line(仙台市営地下鉄東西線) http://ja.wikipedia.org/wiki/
  • 7. Poor transport condition Miyamoto et al, 2010
  • 8. Sendai after the 1945 air raid http://ja.wikipedia.org/wiki/仙台市
  • 9. Land use changes
  • 10. Land use system?
  • 11. Nagamachi-rifu fault • Reverse fault • Length: ~20 km • Slip rate: 0.5-0.7m/1000 y • Expected M: 7.0 Source: Ito et al, 2003
  • 12. Dainenjiyama faultGIS : Fatwa Ramdani, Tohoku University, 2013
  • 13. Earthquake history GIS : Fatwa Ramdani, Tohoku University, 2013 Earthquake data: USGS Earthquake DatabaseIn Miyagi a M8.2 earthquake occurred in 1793 nearby seas, and a series of M7.4and above earthquakes followed this quake until 1978. The average intervalbetween these quakes was about 37 years
  • 14. Fluvial system
  • 15. Water control system • Water control system of many important river systems including Hirose River, the improvement and development of minor rivers to protect from suffered serious damage from floods. • Water control promote the preservation and restoration of precious waterside areas such as?
  • 16. 仙台 1972Remote sensing: Fatwa Ramdani, Tohoku University, 2013
  • 17. 仙台 2013Remote sensing: Fatwa Ramdani, Tohoku University, 2013
  • 18. Sendai station 2nd main building early Showa era http://ja.wikipedia.org/wiki/
  • 19. 仙台 Urban planning - protectlives from a tsunami Source: Post-Disaster Reconstruction Division of Sendai City
  • 20. 仙台 Urban planning – reconstruction zoneSource: Post-Disaster Reconstruction Division of Sendai City
  • 21. 仙台 2030仙台 City structure: consolidated urban areason transit corridors Miyamoto et al, 2010
  • 22. Lessons learned today?1.2.3.4.5.