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City structure shapes directional resettlement flows in Australia
Bohdan Slavko1, Kirill Glavatskiy2, Mikhail Prokopenko2
1Centre for Complex Systems, The University of Sydney, Sydney, NSW, 2006, Australia. bohdan.slavko@sydney.edu.au.
Scientific Reports
|May 20, 2020
Summary
Urban migration in Australian cities shows a trend away from job-rich centers towards suburbs. Relocation distance significantly impacts resettlement, with cities exhibiting varying reluctance to long-distance moves.
Area of Science:
- Urban Science
- Spatial Demography
- Computational Social Science
Background:
- Urban science often models city growth based on residential attractiveness and commute costs.
- This typically leads to a compact central business district and sprawling suburbs.
- However, dynamic migration flows may reveal different patterns.
Purpose of the Study:
- To analyze intra-city resettlement patterns in Australian capital cities.
- To quantify migration flows using an attractiveness potential model.
- To investigate the influence of city structure and relocation distance on migration.
Main Methods:
- Analysis of 2011 and 2016 Australian Census data.
- Development and calibration of a model to quantify intra-city migration flows.
- Statistical analysis of resettlement patterns and relocation distances.
Main Results:
- Contrary to static patterns, dynamic migration flows show a preference for moving away from job-dense central districts towards peripheral suburbs.
- Relocation distance is a critical factor, with migration flows decreasing significantly as distance increases.
- Monocentric cities demonstrate a higher reluctance to long-distance relocation compared to polycentric cities.
Conclusions:
- Intra-city migration in Australian capitals is characterized by outward flows towards less populated suburbs.
- Relocation distance and city structure (monocentric vs. polycentric) are key determinants of resettlement patterns.
- The findings challenge traditional models of urban compactification and sprawl.
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