Multiscale and multi-temporal modelling of urban change structures in the Subarctic East Siberian metropolis of Yakutsk - Archive ouverte HAL Accéder directement au contenu
Communication Dans Un Congrès Année : 2022

Multiscale and multi-temporal modelling of urban change structures in the Subarctic East Siberian metropolis of Yakutsk

Résumé

In the last twenty years, the Metropolis of Yakutsk has experienced significant changes characterised by intense urban growth, densification, and urban structure changes in a complex geographical environment: extremely low temperature during six to seven months, impacts of permafrost dynamics and relative melting, seasonal exposure to ice breakup on the suburban areas. The urban structure and land-use changes conditioned by the urban growth and environmental impacts are analysed at two geographic scales: the meso-urban level with the use of the Landsat-5 TM, Landsat-8 OLI, and Sentinel-2 MSI satellites images covering the period from 2010 to 2020; and at the regional level with the DMSP-OLS PL (1995-2013) and VIIRS-DNB (2015-2020) sensors. The recognition of the urban structures and land use transformations at both scales are based on the use of combined machine learning data processing. The simulations of the urban structures and land use evolutions to 2030 at the meso-urban and regional scales by Markov chain cellular automata give comparable results of the future trends of the Yakutsk metropolis: reduction of vegetation, forests areas (due to forest fires) and agriculture zones; the increase of bare soil, water surfaces and new urban areas.
Fichier sous embargo
Fichier sous embargo
0 4 12
Année Mois Jours
Avant la publication
vendredi 6 septembre 2024
Fichier sous embargo
vendredi 6 septembre 2024
Connectez-vous pour demander l'accès au fichier

Dates et versions

hal-03787176 , version 1 (24-09-2022)

Licence

Paternité - Pas d'utilisation commerciale

Identifiants

  • HAL Id : hal-03787176 , version 1

Citer

Sébastien Gadal, Mounir Oukhattar, Jūratė Kamičaitytė, Moisei Zakharov, Walid Ouerghemmi, et al.. Multiscale and multi-temporal modelling of urban change structures in the Subarctic East Siberian metropolis of Yakutsk. XXIX Conference of the International Seminar on Urban Form: Urban Redevelopment and Revitalisation A Multidisciplinary Perspective, University of Lodz; Cracow University of Technology,; Lodz University of Technology, Sep 2022, Łódź, Poland. ⟨hal-03787176⟩
119 Consultations
2 Téléchargements

Partager

Gmail Facebook X LinkedIn More