The IMAGE Studio: A Tool for Internal Migration Analysis and Modelling

Abstract

This paper presents a ‘studio’ that facilitates the spatial analysis and modelling of internal migration in any country, dependent upon the provision of an origin–destination matrix of migration flows between a set of basic spatial units plus corresponding populations at risk and digital boundaries. Migration analysts undertaking comparative analysis of internal migration in different countries are confronted with problem that each country has a unique set of sub-national regions. In this paper, we outline the various features of the studio and show how its aggregation and modelling functions have been used to produce substantive results that confront the MAUP challenge. Results show varying systematic trends in the scale and zonation effects of the frictional effect of distance on migration and on the mean distance moved in a selection of northern European countries.

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    http://www.gpem.uq.edu.au/image

  2. 2.

    http://sourceforge.net/projects/nts/

    http://sharpmap.codeplex.com/releases/view/465

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Acknowledgements

This research is funded by Australian Research Council Discovery Project DP11010136 Comparing Internal Migration Around the World (2011–2014). Thanks to Tom Wilson for sharing his spatial aggregation code (MIRAGE) with us and to Oliver Duke-Williams for providing his code to compute migration indicators (MIGCONC) and for the upgrading and extension work that he has done on the spatial interaction model code (ASPIC) first written by John Stillwell. We are grateful to Emma Lundholm for providing the Swedish data. Data for Germany were downloaded from the Federal Statistical Office (Destatis) and for Finland from Statistics Finland (StatFin). 2001 Census data for the UK were obtained from the Office for National Statistics, 2011 Census: Aggregate and Interaction data (UKs) [computer files] downloaded via the UK Data Service Census Support.

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Stillwell, J., Daras, K., Bell, M. et al. The IMAGE Studio: A Tool for Internal Migration Analysis and Modelling. Appl. Spatial Analysis 7, 5–23 (2014). https://doi.org/10.1007/s12061-014-9104-4

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Keywords

  • Internal migration
  • Area aggregation
  • MAUP
  • Migration indicators
  • Modelling