Possible Support of Geospatial Data Provision to the WUDAPT and UKAN

Prof. Ryosuke Shibasaki, Dr. Yuki Akiyama,Dr. Wataru Ohira, Hiroyuki Miyazaki, Ph.D.

Center for Spatial Information Science (CSIS)The University of Tokyo, Japan

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Contents• Development of Micro Geo Data (MGD)

using New Data Resources• Residential Map• Telephone Directory• Tenant change dataset• People flow dataset• Micro demography data• Disaster risk assessment using MGDs

• Earth observation of Urban Dynamics in Asia and Pacific

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New Data Resources for MonitoringUrban Dynamics

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City scaleEvolution of Geospatial Data for Urban Areas

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Block scalePeople mobility

Big data of spatio-temporal information＝Micro Geo Data（MGD）

Source:Zmap-TOWNⅡ ©Zenrin CO. Ltd.Micro Population Census ©Yuki AkiyamaPeople flow data ©CSIS

Detail information of buildings• Name of owners• Number of stories• Type of building use• Information of tenants/residentsCovering all over Japan!!

Residential Map(Zmap-TOWNⅡ Zenrin Co., Ltd.)

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Digital Telephone Directory（Zenrin Co., Ltd. , NTT Business Information Service, Inc. etc.）

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Telephone directory of commercial facilities Address

Point coordinates of commercial facilities

Geocoding from the address to latitude & longitude

Linked with• Name of company/store• Type of business• Phone number• Address

Remain

Change

Emerge

Demise

LegendTenant change 2003-2008

Tenant Change Detection using Old & New Residential Map and Telephone Directory

Completed for all over Japan!!

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People flow projecthttp://pflow.csis.u-tokyo.ac.jp/

People Flow Project (PFLOW) by CSIS

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People mobility data with 1-minute temporal resolution developed by integration of:• person trip surveys, • personal geospatial data (GPS, call detail

records (CDR), smartphone apps), and • transportation network data (road, railway etc.)including:• Anonymized personal attributes (age, sex etc.)• Transportation mode• Travel purposeCovering major cities of Japan!!

Weighted Dasymetric Mapping of Census Data using MGDs

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東松原駅

Estimated household attributesBuilding type houseLongitute 139.65633Latitude 35.663664

Area[m2] 105.34

Family type 8Household size 5Householder [age-gender] 45 - 1Spouse [age - gender] 40 - 2Number of child 2Information of children 5-1 | 10 - 2Number of parent 1Information of parent 75-2Number of others 0Information of others None

LEGENDHouseholds

1 person

3 persons4 persons5 persons≧6 persons

2 persons

Estimated mortality [%]

In case of an earthquake with occurrence of 2% in 50 years

Disaster Risk Assessmentusing MGD by 250-m grid

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Satellite-based Urban Expansion Monitoringfor the Cities of the World (esp. Asia and Pacific)

Developed before 1990Developed in 1990-2000Developed in 2000-2005Developed in 2005-2010Major Road

Bangalore, Karnataka, India Metro Manila

Developed before 1990Developed in 1990-2000Developed in 2000-2005Developed in 2005-2010Major Road

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Fully automated settlement mapping using historical Landsat data (30-m res.)

R&D of method and systems for high-resolution satellite data (< 1-m res.)is ongoing.

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0 500 1,000 1,500 2,000250Kilometers

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City light observed from Space in 1992

Data source: http://ngdc.noaa.gov/eog/dmsp.html

0 500 1,000 1,500 2,000250Kilometers

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City light observed from Space in 2013

Data source: http://ngdc.noaa.gov/eog/dmsp.html

0 500 1,000 1,500 2,000250Kilometers

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Growth from 1992 to 2013Yellow: strong in both of 1992 & 2013Red: Growth from 1992 to 2013

R&D of monthlyobservation is ongoing!

Data source: http://ngdc.noaa.gov/eog/dmsp.html

Thank you for kind attention!Hiroyuki Miyazaki, Ph.D. (Hiro)heromiya@csis.u-tokyo.ac.jp

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Possible Support of Geospatial Data Provision to the WUDAPT and UKANContentsNew Data Resources for Monitoring�Urban DynamicsEvolution of Geospatial Data for Urban AreasResidential Map�(Zmap-TOWNⅡ　Zenrin Co., Ltd.)Digital Telephone Directory�（Zenrin Co., Ltd. , NTT Business Information Service, Inc. etc.）Tenant Change Detection using Old & New Residential Map and Telephone DirectoryPeople Flow Project (PFLOW) by CSISWeighted Dasymetric Mapping of Census Data using MGDsSlide Number 10Satellite-based Urban Expansion Monitoring�for the Cities of the World (esp. Asia and Pacific)Slide Number 12Slide Number 13Slide Number 14Slide Number 15Thank you for kind attention!