inscription
PORTAIL D'INFORMATION GÉOGRAPHIQUE

Résultats de la recherche (237 résultats)

Affinez votre recherche

Par Collection Par Auteur Par Date Par Sujet Par Titre
  • Multidimensional sequence alignment methods for activity-travel pattern analysis : a comparison of dynamic programming and genetic algorithms
  • 2001
  • Climatic warming ; Europe ; Global change ; Impact ; Model ; Mountain ; Natural hazards ; Observation network ; Permafrost ; Research ; Research programme ; Slope dynamics ; Sounding ; Thawing
  • Changement global ; Dynamique de versant ; Dégel ; Europe ; Impact ; Modèle ; Montagne ; Pergélisol ; Programme de recherche ; Recherche ; Risque naturel ; Réchauffement climatique ; Réseau d'observation ; Sondage
  • Cet article décrit la structure et l'organisation du programme européen de surveillance du pergélisol et son intégration dans les programmes de surveillance du climat. La localisation des sondages et l'instrumentation standard de PACE sont décrites
  • et les données préliminaires de sondages sélectionnés sont présentées. Le programme PACE comprend des recherches géophysiques, des stratégies de cartographie et de SIG, des modèles de distribution numérique, des modèles physiques des processus de
  • 2001
  • Nommer les nouveaux territoires urbains - Préparé dans le cadre du programme de l'UNESCO Gestion des transformations sociales (MOST)
  • dynamics ; Urban landscape ; Urbanization
  • 2001
  • Dynamics of soil carbon dioxide during a storm event
  • In this report the AA. show the results of an intensive field measurement on CO2 concentration in soil air during a large storm event and discuss the influences of soil environmental factors on the CO2 dynamics.
  • 2001
  • Sustainability and local dynamics in a global context : rural development in Sweden
  • 2001
  • Influence of late Holocene hillslope processes and landforms on modern channel dynamics in upland watersheds of central Nevada
  • Alluvium ; Ecosystem ; Fluvial dynamics ; Holocene ; Nevada ; Palaeo-environment ; Slope dynamics ; Slope gradient ; United States of America ; Watershed
  • This paper examines the influence of hillslope processes, and the landforms that result from them, on channel dynamics within upland watersheds of the Great Basin of central Nevada. The AA. demonstrate that modern channel incision, and variations
  • 2001
  • Dynamics models in space and time
  • Autoregressive process ; Dynamic model ; Econometry ; France ; Germany ; Labour ; Matrix analysis ; Model ; Regional disparities ; Space time ; Spatial equilibrium ; Unemployment ; United Kingdom
  • 2001
  • Measuring dynamic economic effects under the constant-technology versus varying-technology assumptions
  • Dynamic model ; Industrial production ; Industry ; Input-output model ; Inter-industrial linkages ; Regional economy ; United States of America
  • 2001
  • Soluble salts dynamics in the soil under different climatic conditions
  • The dynamics of soluble salts concentration in the soil was investigated at seven research stations in Israel that represent four climatic regions : Mediterranean, semi-arid, mildly arid and arid. Measurements were taken in different seasons from
  • 2001
  • Computational fluid dynamics modelling of boundary roughness in gravel-bed rivers : an investigation of the effects of random variability in bed elevation
  • Devon ; England ; Fluvial dynamics ; Numerical model ; Roughness ; Simulation ; Stream ; Turbulence ; United Kingdom
  • Results from a series of numerical simulations of two-dimensional open channel flow, conducted using the computational fluid dynamics (CFD) code FLUENT, are compared with data quantifying the mean and turbulent characteristics of open-channel flow
  • 2001
  • Late Quaternary vegetation dynamics in the southern Amazon Basin inferred from carbon isotopes in soil organic matter
  • Amazon Basin ; C 14 dating ; Carbon ; Climatic variation ; Forest ; Holocene ; Isotope analysis ; Palaeo-environment ; Quaternary ; Savanna ; South America ; Vegetation dynamics
  • Carbon isotopes of soil organic matter (SOM) were used to evaluate and establish the chronology of the vegetation dynamics of an ecosystem presently composed of savannas surrounded by forests. The study was carried out on a 200-km transect along
  • 2001
  • Desert dune processes and dynamics
  • 2001
  • Exploring spatial process dynamics using irregular cellular automaton models
  • Graph ; Spatial analysis ; Spatial behaviour ; Spatial dynamics ; Spatial structure ; System
  • 2001
  • From the observations to the construction of a urban dynamics simulation model : an inductive approach
  • Location ; Modelling ; Simulation ; Spatial choice ; Synergetics ; Theory ; Urban dynamics ; Urban geography ; Urban theory
  • 2001
  • Holocene slope dynamics in the area of Corvara in Badia (Dolomites, Italy) : chronology and paleoclimatic significance of some landslides
  • Alps (The) ; Geochronology ; Holocene ; Italy ; Landslide ; Mountain ; Palaeoclimatology ; Quaternary ; Slope dynamics ; Stratigraphy ; Trentino-Alto Adige
  • 2001
  • Iron age vegetation dynamics and human impacts on the vegetation of upper Mun River floodplain, N.E. Thailand
  • Agricultural land use ; Deforestation ; Floodplain ; Holocene ; Human impact ; Iron Age ; Palaeo-ecology ; Palaeogeography ; Palynology ; Pollen diagram ; Thailand ; Vegetation dynamics
  • 2001
  • Aeolian dust dynamics in agricultural land areas in Lower Saxony, Germany
  • The dynamics of fine aeolian dust emitted from agricultural land was investigated over 15 months near Grönheim, Lower Saxony. This study was unsertaken in the framework of WEELS (Wind Erosion on European Light Soils), an international EU project
  • 2001
  • Sediment transport dynamics. Special issue
  • Colorado ; Fluvial dynamics ; Grain size distribution ; Gravel ; Methodology ; Sediment budget ; Sediment transport ; Stream ; United States of America
  • be measured effectively using pit samplers, which allow the sampling period needed for accurate measurements. Grain size can be represented as 2 fractions, sand and gravel, which capture some of the important transport dynamics and effectively represent
  • 2001
  • Holocene vegetation dynamics of Anticosti Island, Québec, and consequences of remoteness on ecological succession
  • C 14 dating ; Canada ; Gulf ; Holocene ; Island ; Palaeo-ecology ; Palaeo-environment ; Palynology ; Pollen diagram ; Quebec ; Saint-Laurent ; Vegetation dynamics
  • 2001
  • Retail structuring dynamics and the forces behind big-box retailing
  • Agglomeration ; Commercial infrastructure ; Consumer behaviour ; Economic restructuring ; Economies of scale ; Firm size ; Location ; Retail trade ; Spatial dynamics ; Structure of the firm ; United States of America
  • 2001