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Wherecamp Berlin 2012 Population Grids
 

Wherecamp Berlin 2012 Population Grids

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    Wherecamp Berlin 2012 Population Grids Wherecamp Berlin 2012 Population Grids Presentation Transcript

    • PopulationGridsMax Friedrich Hartmann@mxfh
    • Talking Points• Aggregation and Disaggregation of Population Data• Data Sources
    • 03 Population GridsDisaggregation?Aggregation?Dasymetric Map ?Raster!
    • 04 Population Grids Gridded Population of the World, version 3 (GPWv3) World Population Density 2010 (Estimate) http://sedac.ciesin.columbia.edu/gpw/
    • 05 Population Grids Gridded Population of the World, version 3 (GPWv3) World Population Density 2010 (Estimate) http://sedac.ciesin.columbia.edu/gpw/
    • 06 Population GridsChoropleth mapping dot mapping proportional symbols Conventional cartographic population mapping techniques Filipe Batista e Silva
    • 07 Population Grids Spain - Population Density (NUTS-3 Level) http://epp.eurostat.ec.europa.eu/statistics_explained/index.php/Population_grids
    • 08 Population GridsDrawbacks of Conventional Population Mapping Filipe Batista e Silva • Size of areas is partly very heterogenous since they are only affected by administrative borders and zoning • Structural phenomenos can be hidden by accident or deliberately Modifiable Areal Unit Problem (MAUP) Gerrymandering • Within a single statistical area homogenity is assumed which does’t exist in the real world distribution • Important land features (rivers, mountain ranges) are not considered
    • 09 Population Grids Geostat Population grid 2006 http://epp.eurostat.ec.europa.eu/statistics_explained/index.php/Population_grids
    • 10 Population Grids Quelle: UMS 2414 RIATE (CNRS-DATAR-Université Paris 7 (Hrsg.): ESPON-Projekt 3.4.3 - The modifiable areas unit problem. Endbericht 2006
    • 11 Population Grids Geostatistical create a spatial reference frame for all kinds of geodata. The are independent from admin borders and allow a purely topic related area selection. Ingrid Kaminger, Auf dem Weg zu einer rasterbasierten Regionalstatistik in Europa
    • 12 Population GridsAdvantages/Disadvantages of gridsAdvantages• Ready for universal use• Ready for automation• Independent of borders• High resolutionDisadvantages• Privacy Issues• Process of creating the grid is quite complex
    • 13 Population Grids Aggregation Credits: Eurostat GEOSTAT
    • 14 Population Grids Ideally: Aggregation Eurostat GEOSTAT
    • 15 Population Grids Erich Wonka (2010)
    • 16 Population GridsDisaggregationStatistical data is only available in bigger statistical unitsDesireable is a grid with a fine grid with cells smalle than the area unit.One solution is the reversal of aggregation - disaggregation. (dasymetric mapping)Information density is increases by deduction from know spatial
    • 17 Population Grids Credits: Filipe Batista e Silva
    • 18 Population GridsAuxilliary DataRemote sensing• Land use• Light emmissions• Land coverMap data• Road networks• Building footprints• Land cover
    • Population GridsLiterature/LinksWonka, E. (2009): Regionalstatistik in Österreich auf der räumlichen Bezugsbasis von regionalstatistischen Rastereinheiten. http://www.oeaw-giscience.org/download/RasterStatistikWonka.pdfWonka, E.; Kaminger, I.; Katzlberger, G. (2009): Regionalstatistische Auswertungen mit geographischen Rastern in der Raumplanung. In: Kartographische Visualisierung in der Raumplanung IzR 10/11.2009, Hrsg.: BBSR im BBR. http://www.bbsr.bund.de/cln_032/nn_23470/BBSR/DE/Veroeffentlichungen/IzR/2009/10__11/Inhalt/inhalt.htmlGotthard Meinel, Ulrich Schumacher (Hrsg.) (2010): IÖR Schriften 52, Leibniz-Institut für ökologische Raumentwicklung http://www.ioer.de/fileadmin/internet/IOER_schriften/Buch_IOER_Schriften_Band_52_Meinel.pdfWurm, M. et al. (2011): Zensus der Zukunft? Erdbeobachtung zur räumlichen Abschätzung der Bevölkerungsverteilung http://elib.dlr.de/72097/1/wurm_et_al_2011_standort-zensus_der_zukunft.pdfFilipe Batista e Silva (2011): The effect of ancillary data in population dasymetric mapping http://www.efgs.info/workshops/efgs-2011-lisboa-portugalGeostat population grid 2006 Poster: http://www.ivie.es/news/2012/ws_res01.phpPopulation Grids Eurostat Wiki: http://epp.eurostat.ec.europa.eu/statistics_explained/index.php/Population_gridsEuropean Forum for Geostatistics: http://efgs2011.ine.pt/doku.php?id=presentations
    • Population GridsData SourcesGEOSTAT 2006 grid datasethttp://epp.eurostat.ec.europa.eu/portal/page/portal/gisco_Geographical_information_maps/popups/references/population_distribution_demographyPopulation density disaggregated with Corine land cover 2000, EU, 100m resolutionhttp://www.eea.europa.eu/data-and-maps/data/population-density-disaggregated-with-corine-land-cover-2000-2