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

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. Neverthel...

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Main Authors: Takaaki Aoki, Naoya Fujiwara, Mark Fricker, Toshiyuki Nakagaki
Format: Article
Language:English
Published: Nature Portfolio 2022-06-01
Series:Scientific Reports
Online Access:https://doi.org/10.1038/s41598-022-13758-1
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author Takaaki Aoki
Naoya Fujiwara
Mark Fricker
Toshiyuki Nakagaki
author_facet Takaaki Aoki
Naoya Fujiwara
Mark Fricker
Toshiyuki Nakagaki
author_sort Takaaki Aoki
collection DOAJ
description 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.
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spelling doaj.art-66d85c1b7ff54409bf0b0f4c041612a82022-12-22T02:33:14ZengNature PortfolioScientific Reports2045-23222022-06-0112111210.1038/s41598-022-13758-1A model for simulating emergent patterns of cities and roads on real-world landscapesTakaaki Aoki0Naoya Fujiwara1Mark Fricker2Toshiyuki Nakagaki3Faculty of Education, Kagawa UniversityGraduate School of Information Sciences, Tohoku UniversityDepartment of Plant Sciences, University of OxfordResearch Institute for Electronic Science, Hokkaido UniversityAbstract 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.https://doi.org/10.1038/s41598-022-13758-1
spellingShingle Takaaki Aoki
Naoya Fujiwara
Mark Fricker
Toshiyuki Nakagaki
A model for simulating emergent patterns of cities and roads on real-world landscapes
Scientific Reports
title A model for simulating emergent patterns of cities and roads on real-world landscapes
title_full A model for simulating emergent patterns of cities and roads on real-world landscapes
title_fullStr A model for simulating emergent patterns of cities and roads on real-world landscapes
title_full_unstemmed A model for simulating emergent patterns of cities and roads on real-world landscapes
title_short A model for simulating emergent patterns of cities and roads on real-world landscapes
title_sort model for simulating emergent patterns of cities and roads on real world landscapes
url https://doi.org/10.1038/s41598-022-13758-1
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