turkey experience in integrating statistical and...
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Turkey experience in integrating statisticaland geospatial information using geography
Lt. Col. Mehmet Sabri ŞEHSUVAROĞLUGeneral Command of Mapping
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Outline
► The production activities in the GeneralCommand of Mapping
► The works done in the Turkish StatisticalInstitute
► Evaluation / Experiences
GENERAL COMMAND OF MAPPING
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General Command of Mapping (GCM)
► GCM is the national mapping agency of Turkey
► Even she is a military agency, serves bothmilitary side for the defense and security purposesand to the public side for the development purposes
► GCM is responsible for small scale topographicand thematic maps
► GCM is also responsible for establishing andmaintaining the national geodetic networks of allkinds
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GCM
International Organizations
International Union of Geodesy&Geophysics - IUGG
International Society for Photogrammetry & Remote Sensing - ISPRS
International Cartographic Association - ICA
EuroGeographics
NATO & PfP Geographic Conference - NGC
Defence Geospatial Information Working Group - DGIWG
Multi-National Geospatial Co-production Project - MGCP
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GCM – Main Production
The base scale is 1:25.000Larger scale (1:1.000 and 1:5.000) -> other
governmental organizations
SCALE SHEET
1:25.000 5535
1:50.000 1450
1:100.000 388
1:250.000 71
1:500.000 18
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GCM – Main Production
Stereo aerial imagery(30, 45cm GSD)
2 aircraft and cameras
3D vector data, 1:25.000Orthophoto (30-45 cm GSD)
DSM / DTM
Geographic database
Oracle Arc SDE
Cartographic vector data and 1:25K map
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1:25.000
1:50.000
1:100.000
1:250.000
1:500.000 Thematic Maps
Auxiliary Data
Semi-automatic Generalization
Compilation
Raster Maps
GCM – Main Production
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Other Products
► Populated Places Database
► International Boundary Line
► Administrative Division Boundaries
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► It is a database consists of location, population,hieararchical level and names of populated places in alllevels including provinces, counties,districts, villages, etc.
Populated Places Database
► There are 118.524 point features in this database.
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► GCM is the responsible agency for the demarcation ofnational borders.
► We have created land boundary line data in 1:25.000scale accuracy.
International Boundary Line
SYRIA
GREECE
BULGARIAGEORGIA
IRAN
IRAQ
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► GCM created administrative division boundary data in1:100.000 scale accuracy. But this is not an official release
► For the time being this dataset is the most reliable one
Administrative Division Boundaries
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We plan to integrate this data to Eurogeographics’Euroboundary Map Data - including NUTS (Nomenclatureof Territorial Units for Statistics) data- product until theend of this year.
Administrative Division Boundaries
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GCM► GCM has also a very rich archieve which includes aerialphotos and topographic maps goes back to 1939
RASTER HARİTA
offlineonline (OGC web services)
► GCM distributes her data to the customers via offlinemedia or online OGC web services
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► to compile data and information, and produce,publish and provide necessary statistics in the areasthe country needs
Turkish Statistical Institute (TurkStat)
► to prepare the Official Statistics Programme
► to organise the statistical activities specified in theProgramme and ensure their realisation
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► GIS unit, established in 1993.
TurkStat
► to support the statistical data collection activities
► to make geospatial and geostatistical query andanalyses
► TurkStat adopts EU based standards andprocedures (Eurostat, EFGS)
► to disseminate statistical information by integratinggeospatial information with online and offline tools
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► Classification based administrative boundaries, before2002
Classification of Statistical Regional Units
► EU Statistical Classification, after 2002
► Level 1: 12 regionsLevel 2: 26 regionsLevel 3: 81 regions (provinces)
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► TurkStat produces various thematic maps expressingthe outputs of statistical analyses.
TurkStat
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TurkStat► Population Density Map of Turkey was produced in2013.
Method: Disaggregation, Dasimetric spatial enterpolationSpatial Resolution: 1 km²Input Data: Population of counties and CORINE 2006
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► Urban-Rural distinction map, produced by populationdensity grid, based on province level (L3)
Dense ruralAverageDense Urban
TurkStat
Threshold: 300 person/km²
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► Urban-Rural distinction map, produced by populationdensity grid, based on county level
Dense ruralAverageDense Urban
TurkStat
Threshold: 300 person/km²
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Disaggregation Method
► Population density grid by aggregation method forKocaeli province.
TurkStat
Aggregation Method
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Urban Population Rural Population1.416.603 259.572
84,5 15,5
Aggregation Method –Urban Clusters)
Urban Population Rural Population1.416.603 259.572
92,5 7,5
Disaggregation Method –Urban Clusters)
TurkStat
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EVALUATION
GENERAL COMMAND OF MAPPING
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The Usage of the Products for Statistical Works
► Basemap (background display)
► There is no any address information (It is under theresponsibility of Ministry of Interior)
► Input data for the production of CORINE Land Coverdataset
► Elevation models for analysis and visualization
► Vector Data for Analysis (eg. Usage of administrativedivision geometry for density calculations)
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Experiences
► Proof of concept works
► Disaggregation method is estimated, wants toimplement aggregation method
► Need geocoded data
1:1.000 1:25.000Municipilities GCM
Not totaly collected Totally collectedNot standard Needs to be added address
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Experiences
► Turkish NSDI (TUCBS) works
► Plan: Have an address layer in the next 3 years
► Plan: Revise CORINE land use data next year