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There’s no best model! Addressing limitations of land-use scenario modelling through multi-model ensembles / Richard J. Hewitt in International journal of geographical information science IJGIS, vol 36 n° 12 (December 2022)
[article]
Titre : There’s no best model! Addressing limitations of land-use scenario modelling through multi-model ensembles Type de document : Article/Communication Auteurs : Richard J. Hewitt, Auteur ; Majid Shadman Roodposhti, Auteur ; Brett A. Bryan, Auteur Année de publication : 2022 Note générale : bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Traitement d'image
[Termes IGN] automate cellulaire
[Termes IGN] étalonnage de modèle
[Termes IGN] étalonnage des données
[Termes IGN] incertitude des données
[Termes IGN] utilisation du solRésumé : (auteur) Cellular automata models are popular tools for exploring future land change pathways. But simulation modelling approaches often focus too narrowly on calibration against historic reference maps, limiting the diversity of possible outcomes. We argue that, contrary to what is commonly believed, there is no ‘best model’, and that model specification and calibration accuracy depend on the objective of the research. We propose a multi-model ensemble approach, in which a wide range of models and calibration rules sets are systematically tested against multiple metrics. We apply our approach to a case study in Spain. No single model performed well for all statistics, illustrating the danger of cherry-picking statistics for best performance. In our case study, accounting for historic land changes in model design was useful for simulating compact urban development, but limited the variability of simulation outcomes. The accessibility model driver improved urban pattern replication, while suitability without accessibility was useful for simulating low-density development encroaching on natural areas. Rather than abandoning calibrations that show low agreement with reference maps based on a small number of metrics we should seek to understand what each metric is telling us and use this information to enrich the diversity of simulated outcomes. Numéro de notice : A2022-616 Affiliation des auteurs : non IGN Thématique : GEOMATIQUE Nature : Article nature-HAL : ArtAvecCL-RevueIntern DOI : 10.1080/13658816.2022.2098299 Date de publication en ligne : 03/08/2022 En ligne : https://doi.org/10.1080/13658816.2022.2098299 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=101372
in International journal of geographical information science IJGIS > vol 36 n° 12 (December 2022)[article]Toward enhanced ecodesign of urban project thanks to City Information Modelling / Alexandre Mielniczek (2022)
Titre : Toward enhanced ecodesign of urban project thanks to City Information Modelling Type de document : Article/Communication Auteurs : Alexandre Mielniczek, Auteur ; Charlotte Roux, Auteur ; Florence Jacquinod , Auteur Editeur : Paris : Ecole des Ingénieurs de la Ville de Paris EIVP Année de publication : 2022 Conférence : SETAC Europe 2022, 32nd Annual Meeting 16/05/2022 19/05/2022 Copenhague Danemark OA Abstracts only Note générale : bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Applications SIG
[Termes IGN] modèle 3D de l'espace urbain
[Termes IGN] modélisation 3D du bâti BIM
[Termes IGN] quartier
[Termes IGN] système d'information géographique
[Termes IGN] urbanismeRésumé : (auteur) Environmental impacts are to be taken into account as early as possible in the design stages of urban projects so as to be able to select the most sustainable design. Nowadays, more and more district digital models, modelled according to BIM (building information modelling) standards and guidelines, are produced during the conception and construction of new or renewed districts. CIM can store data about buildings, underground utilities, roads, city furniture and vegetation (positioning, dimensions, materials and sometimes technical properties). Data about buildings are already used for LCA at the building scale (Marrero et al. 2020) and have been exploited at the district scale to evaluate impact of materials used for construction (Delval et al. 2018). A consequential approach (ie. evaluating environmental consequences of a change in the existing system, here the building stock or the city) could be considered as the most relevant for ecodesign objectives but is too rarely performed (Frischknecht et al. 2016; Roux 2020). Complementary data from CIM could be used to enhance consequential LCA at the district scale and simulate various scenarios (local climate conditions, shadow analysis from building morphology, impact of public spaces, roads and underground utilities, etc.). This induces a greater complexity as far as data modelling and processing are concerned. Research on urban analysis from CIM data has shed light on numerous issues to be tackled in order to be able to perform analysis at the district or city scale thanks to a CIM, including georeferencing, level of detail management, definition of specific entities and property sets and need for generalized entities (Deprêtre et Jacquinod 2021). Through this work, we aimed at identifying more precisely CIM data potential for consequential LCA at the district scale in order to propose new methods and processes and test them on case studies. A literature review is performed on eco-design and city information modelling aside with a review on existing city models. Main research potential to improve LCA of urban projects are identified and classified according to the goal and scope of the study. A first field case study is exposed and major drags and opportunities to district LCA are discussed in this specific case where an existing model has been developed without considering an eco-design objective. Numéro de notice : C2022-032 Affiliation des auteurs : UGE-LASTIG+Ext (2020- ) Thématique : GEOMATIQUE/INFORMATIQUE/URBANISME Nature : Poster nature-HAL : Poster-avec-CL DOI : sans En ligne : https://hal.science/hal-03673665 Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=101089 Trade-offs between sustainable development goals in systems of cities / Juste Raimbault in Journal of Urban Management, vol 11 n° 2 (June 2022)
[article]
Titre : Trade-offs between sustainable development goals in systems of cities Type de document : Article/Communication Auteurs : Juste Raimbault, Auteur ; Denise Pumain, Auteur Année de publication : 2022 Projets : 1-Pas de projet / Article en page(s) : pp 237 - 245 Note générale : bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Analyse spatiale
[Termes IGN] algorithme génétique
[Termes IGN] croissance urbaine
[Termes IGN] développement durable
[Termes IGN] modèle dynamique
[Termes IGN] optimisation (mathématiques)
[Termes IGN] urbanisme
[Termes IGN] ville durableRésumé : (auteur) Sustainable Development Goals are intrinsically competing, and their embedding into urban systems furthermore emphasises such compromises. When observed at the scale of systems of cities, such concern is considered as a series of innovations that challenges the adaptive capacity of urban systems. The spatial complexity, the non-optimal nature of such systems, and the multi-objective aspects of their agents, are among the reasons that raise difficulties when trying to adjust local policies through promoting innovation in order to satisfy at least a couple of SDGs simultaneously. As we lack enough empirical evidence, we propose in this paper to use a stylised simulation model for systems of cities, focused on innovation diffusion and population dynamics, to show how trade-offs may operate at such a scale. We proceed in particular to a bi-objective optimisation of emissions and innovation utilities, and show that no single urban optimum exists, but a diversity of regimes forming a compromise between the two objectives. Numéro de notice : A2022-686 Affiliation des auteurs : UGE-LASTIG+Ext (2020- ) Thématique : GEOMATIQUE/INFORMATIQUE/URBANISME Nature : Article nature-HAL : ArtAvecCL-RevueIntern DOI : 10.1016/j.jum.2022.05.008 En ligne : https://doi.org/10.1016/j.jum.2022.05.008 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=101598
in Journal of Urban Management > vol 11 n° 2 (June 2022) . - pp 237 - 245[article]
Titre : A web GIS to generate audio-tactile maps for visually impaired people Type de document : Article/Communication Auteurs : Guillaume Touya , Auteur ; Samuel Braikeh, Auteur ; Ridley Campbell, Auteur ; Jean-Marie Favreau, Auteur ; Jérémy Kalsron, Auteur Editeur : International Cartographic Association ICA - Association cartographique internationale ACI Année de publication : 2022 Collection : Abstracts of the ICA num. 5 Projets : ACTIVmap / Favreau, Jean-Marie Conférence : EuroCarto 2022, European Cartographic Conference 19/09/2022 21/09/2022 Vienne Autriche OA Proceedings Langues : Anglais (eng) Descripteur : [Termes IGN] carte tactile
[Termes IGN] personne malvoyante
[Termes IGN] WebSIG
[Vedettes matières IGN] GénéralisationNuméro de notice : C2022-038 Affiliation des auteurs : UGE-LASTIG+Ext (2020- ) Thématique : GEOMATIQUE Nature : Communication nature-HAL : ComAvecCL&ActesPubliésIntl DOI : 10.5194/ica-abs-5-115-2022 Date de publication en ligne : 14/09/2022 En ligne : http://dx.doi.org/10.5194/ica-abs-5-115-2022 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=101621
Titre : When is a ring road a ’ring road’? A brief perceptual study Type de document : Article/Communication Auteurs : Quentin Potié , Auteur ; William A Mackaness, Auteur ; Guillaume Touya , Auteur Editeur : Göttingen : Copernicus publications Année de publication : 2022 Projets : LostInZoom / Touya, Guillaume Conférence : AGILE 2022, 25th international AGILE Conference on Geographic Information Science, Artificial intelligence in the service of geospatial technologies 14/06/2022 17/06/2022 Vilnius Lithuanie OA Proceedings Importance : 7 p. Note générale : bibliographie Langues : Anglais (eng) Descripteur : [Termes IGN] amer visuel
[Termes IGN] caractérisation
[Termes IGN] cognition
[Termes IGN] étude préliminaire
[Termes IGN] route
[Termes IGN] ville
[Termes IGN] vision
[Vedettes matières IGN] CartologieRésumé : (auteur) The shapes and patterns of the road network of a topographic map provide important visual cues when interpreting the map and moving between scales in interactive environments. The ’city ring road’ is an example of a road structure we might use in the recognition and characterisation of a city. Our goal is the automatic identification (and preservation) of such structures through changing scales. In this preliminary study, we conducted an online survey and face to face interviews in order to obtain and prioritise the structural, topological and semantic properties that define ’ring road-ness’. We then created a practical ontology of ring roads, with a view to algorithm implementation that mirrors the human perception of ring roads. Numéro de notice : C2022-026 Affiliation des auteurs : UGE-LASTIG+Ext (2020- ) Thématique : GEOMATIQUE Nature : Communication nature-HAL : ComAvecCL&ActesPubliésIntl DOI : 10.5194/agile-giss-3-54-2022 Date de publication en ligne : 11/06/2022 En ligne : https://doi.org/10.5194/agile-giss-3-54-2022 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=100929 PermalinkPermalinkAn attempt to define perceptive and sensitive mapping through lived space experiments / Catherine Dominguès (2021)PermalinkAn efficient representation of 3D buildings: application to the evaluation of city models / Oussama Ennafii (2021)PermalinkAnalysing 18th century hydrographic data: a campaign in the Bay of Biscay, 1750-1751 / Helen Mair Rawsthorne (2021)PermalinkApport des données Sentinel-1 pour le suivi continu de la forêt tropicale : Cas de la Guyane / Marie Ballère (2021)PermalinkAssessing the interest of a multi-modal gap-filling strategy for monitoring changes in grassland parcels / Anatol Garioud (2021)PermalinkAssessment of sky diffuse irradiance and building reflected irradiance in cast shadows / Manchun Lei (2021)PermalinkPermalinkPermalink