Population

Grids

Max Friedrich Hartmann @mxfh

• Aggregation and Disaggregation of Population Data

• Data Sources

Talking Points

Disaggregation?

Aggregation?

Dasymetric Map ?

Raster!

Population Grids 03

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Gridded Population of the World, version 3 (GPWv3)

World Population Density 2010 (Estimate) http://sedac.ciesin.columbia.edu/gpw/

Population Grids

05 Population Grids

Gridded Population of the World, version 3 (GPWv3)

World Population Density 2010 (Estimate) http://sedac.ciesin.columbia.edu/gpw/

Conventional cartographic population mapping techniques Filipe Batista e Silva

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Choropleth mapping dot mapping proportional symbols

Population Grids

Spain - Population Density (NUTS-3 Level) http://epp.eurostat.ec.europa.eu/statistics_explained/index.php/Population_grids

07 Population Grids

• 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

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Drawbacks of Conventional Population Mapping

Population Grids

Filipe Batista e Silva

Geostat Population grid 2006 http://epp.eurostat.ec.europa.eu/statistics_explained/index.php/Population_grids

09 Population Grids

Quelle: UMS 2414 RIATE (CNRS-DATAR-Université Paris 7 (Hrsg.): ESPON-Projekt 3.4.3 - The modifiable areas unit problem. Endbericht 2006

10 Population Grids

Ingrid Kaminger, Auf dem Weg zu einer rasterbasierten Regionalstatistik in Europa

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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.

Population Grids

Advantages/Disadvantages of grids

Advantages

• Ready for universal use

• Ready for automation

• Independent of borders

• High resolution

Disadvantages

• Privacy Issues

• Process of creating the grid is quite complex

12 Population Grids

Aggregation Credits: Eurostat GEOSTAT

13 Population Grids

Ideally: Aggregation Eurostat GEOSTAT

14 Population Grids

Erich Wonka (2010)

15 Population Grids

Statistical data is only available in bigger statistical units

Desireable 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

Disaggregation

16 Population Grids

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Credits: Filipe Batista e Silva

Population Grids

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Remote sensing

• Land use

• Light emmissions

• Land cover

Map data

• Road networks

• Building footprints

• Land cover

Auxilliary Data

Population Grids

Wonka, E. (2009): Regionalstatistik in Österreich auf der räumlichen Bezugsbasis von regionalstatistischen Rastereinheiten. http://www.oeaw-giscience.org/download/RasterStatistikWonka.pdf

Wonka, 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.html

Gotthard 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.pdf

Wurm, 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.pdf

Filipe Batista e Silva (2011): The effect of ancillary data in population dasymetric mapping http://www.efgs.info/workshops/efgs-2011-lisboa-portugal

Geostat population grid 2006 Poster: http://www.ivie.es/news/2012/ws_res01.php

Population Grids Eurostat Wiki:

http://epp.eurostat.ec.europa.eu/statistics_explained/index.php/Population_grids

European Forum for Geostatistics: http://efgs2011.ine.pt/doku.php?id=presentations

Literature/Links

Population Grids

Data Sources

Population Grids

GEOSTAT 2006 grid dataset

http://epp.eurostat.ec.europa.eu/portal/page/portal/gisco_Geographical_information_maps/popups/references/population_distribution_demography

Population density disaggregated with Corine land cover 2000, EU, 100m resolution

http://www.eea.europa.eu/data-and-maps/data/population-density-disaggregated-with-corine-land-cover-2000-2