Research action on Analysis of geographical space and its dynamics

Presentation

This research theme concerns proposing space-time models enabling a) data exploration b) analysis of regional dynamics c) a detailed analysis of an area in the analysis of phenomena and their dynamics.

The team is :

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Keywords : spatial analysis, spatiotemporal analysis, network analysis, movements, 3D, simulation, modelling, optimization

Context

Geographical data are under used or misused to analyze the geographic space and the spatial phenomena. It is due to multiple causes, from model complexity to ignorance of tools developped in diverse domains. Yet, these types of data help to better consider the geographic space.

Objectives

The objective is to improve the role of geographic data as spatial problem solver and in return to identify which improvements IGN could undertake to data such as relevant levels of details for spatio-temporal data. Relevant spatio-temporal models (as models of animal movements or disease propagation). Simulation models in using 2D, 2D5, 3D data. Reconstructing imperfect data to study the dynamics of the territory (using historic data) or of phenomenon dependant on the territory (mobility data). Exploration tools to understand these data.

Research axis

  • A better modeling and analysis of geographic information : we try to propose models adapted to the targeted applications, in particular for the 3D geographic data, field data and network data. It deals with helping users to improve data modeling to facilitate their analyses. It could concern network analysis, urbain phenomenon, 3D data (DTM, big data, etc.). We work especially on the construction of spatio-temporal data from historic data or mobility data, their modeling, their analysis, their visualisation and the evaluation of their quality (they are heterogeneous).
  • A simulation of territorial evolutions : we propose different methods of analysis :
    1. space modeling in integrating diverse data: topographic data, thematic data, samples, hypothesis or expert assessment at various dates,
    2. dynamics modeling,
    3. coupling models,
    4. conception of analysis methods and simulation methods.

Our different applications are :

  • 3D city modelling,
  • spatio-temporal analysis and modeling focused on animal movements and space evolution,
  • construction and analysis of historic data bases, in collaboration with EHESS.

Thèses en cours

  • Maxime Colomb :
    Simulation de formes réalistes de développement résidentiel, de l’échelle du bâtiment à celle de l’ensemble d’une région urbaine
    Supervised by Julien Perret
    Co-supervision : Cécile Tannier et Mickaël Brasebin
  • Colin Kerouanton :
    Vers une définition du « paysage des interactions hommes-animal » et l’élaboration de scénarios de gestion spatialisés – Le cas des interactions entre touristes, chasseurs et grands herbivores dans le Parc Naturel Régional du Massif des Bauges.
    Supervised by Anne Loison et Clémence Perrin-Malterre
    Co-supervision : Laurence Jolivet

COGIT PhD on this topic

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