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A model for simulating emergent patterns of cities and roads on real-world landscapes

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Title: A model for simulating emergent patterns of cities and roads on real-world landscapes
Authors: Aoki, Takaaki Browse this author
Fujiwara, Naoya Browse this author
Fricker, Mark Browse this author
Nakagaki, Toshiyuki Browse this author →KAKEN DB
Issue Date: 16-Jun-2022
Publisher: Nature Portfolio
Journal Title: Scientific reports
Volume: 12
Issue: 1
Start Page: 10093
Publisher DOI: 10.1038/s41598-022-13758-1
Abstract: Emergence of cities and road networks have characterised human activity and movement over millennia. However, this anthropogenic infrastructure does not develop in isolation, but is deeply embedded in the natural landscape, which strongly influences the resultant spatial patterns. Nevertheless, the precise impact that landscape has on the location, size and connectivity of cities is a long-standing, unresolved problem. To address this issue, we incorporate high-resolution topographic maps into a Turing-like pattern forming system, in which local reinforcement rules result in co-evolving centres of population and transport networks. Using Italy as a case study, we show that the model constrained solely by topography results in an emergent spatial pattern that is consistent with Zipf's Law and comparable to the census data. Thus, we infer the natural landscape may play a dominant role in establishing the baseline macro-scale population pattern, that is then modified by higher-level historical, socio-economic or cultural factors.
Type: article
Appears in Collections:電子科学研究所 (Research Institute for Electronic Science) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

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