For a Sustainable Urban Water Cycle · Tokyo TokyoBay Tokyo has various water restrictions Prepared...
Transcript of For a Sustainable Urban Water Cycle · Tokyo TokyoBay Tokyo has various water restrictions Prepared...
For a Sustainable
Urban Water Cycle
For a Sustainable
Urban Water Cycle
Yuriko Koike
Governor of Tokyo
Yuriko Koike
Governor of Tokyo
Dialogue with the world’s leadersDialogue with the world’s leaders
Share policies and know-howShare policies and know-how
Water supports the cityWater supports the city
From Edo to TokyoFrom Edo to Tokyo
Courtesy of Postal Museum Japan
Densely populated megalopolis Tokyo
Densely populated megalopolis Tokyo
Tokyo
Tokyo Bay
Tokyo has various water restrictionsTokyo has various water restrictionsPrepared using Geospatial Information Authority of Japan (GSI) tile (Japan Landsat mosaic imagery)
Data sources: Landsat8 images (GSI, TSIC, GEO Grid/AIST), Landsat8 images (U.S. Geological Survey),Bathymetric charts (GEBCO)
Water is Tokyo’s prideWater is Tokyo’s pride
Global population increase and urbanization
1950 2017
Urban population over 50%
7.5 bil
2.5 bil
Usable water
Rivers/Lakes
97.47%
Glaciers
Oceans
2.52%
0.01%
Rain
River/Ocean
Water ReclamationCenter
Dam
Purification Plant
HouseholdSewerageWater Supply
River
Urban water cycle
Environment-related RiskFlooding
Environment-related RiskFlooding
2018 Heavy Rain in West Japan2018 Heavy Rain in West Japan
Cooperating to find solutions to environmental challenges
Cooperating to find solutions to environmental challenges
C40 Mayors SummitC40 Mayors Summit
Disaster-related RiskEarthquake
Disaster-related RiskEarthquake
Great Hanshin-Awaji EarthquakeGreat Hanshin-Awaji EarthquakePhoto courtesy of Kobe City
Disaster-related RiskEarthquake
Disaster-related RiskEarthquake
Great East Japan EarthquakeGreat East Japan EarthquakePhoto courtesy of Miyagi Prefecture Public Enterprise Bureau
Disaster-related RiskEarthquake
Disaster-related RiskEarthquake
Liquefaction after
the Great East Japan Earthquake
Liquefaction after
the Great East Japan Earthquake
‘MOTTAINAI’
差し替え予定
“People” and “Awareness”
Leak DetectionLeak Detection
Advanced Technologies and Skills
“ 3% ”
・Effective use of water resources
・Reduce CO2 emissions
Under construction After construction
Sewage Pipe Renewal methodSewage Pipe Renewal method
Advanced Technologies and Skills
Robust Systems
Infrastructure
Management
Infrastructure
Management
FIRSTUTOKYOURE
Safe City
DiversityDiverse City
Smart City
Three Cities to Create a New Tokyo
Smart City Initiatives Water Supply and Sewerage System
Olympic and Paralympic
Legacy
Smart Meter
Trial Project
Smart Meter+
Smart Grid
SMARTWATERSYSTEM
2022 2025
For a Smart Water System
Contributing to the World