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PORTAIL D'INFORMATION GÉOGRAPHIQUE

Résultats de la recherche (108 résultats)

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Par Collection Par Auteur Par Date Par Sujet Par Titre
  • Devon ; England ; Forest ; Grain size distribution ; Model ; Multivariate analysis ; Plant cover ; Seasonal variation ; Sedimentology ; Statistics ; Suspended load ; Tracer ; United Kingdom ; Wales ; Watershed
  • This study attempts to refine fingerprinting procedures by using a quantitative composite fingerprinting technique encompassing statistical verification for composite signatures and a multivariate sediment-mixing model, to investigate source type
  • 1997
  • Concept ; Data processing ; Discharge ; Fractal geometry ; Hydrological regime ; Methodology ; Midwest ; Permafrost ; Precipitation ; Rainfall regime ; Soil temperature ; Statistics ; Thermal regime ; Time series ; United States of America
  • The AA. will demonstrate the power of Hurst rescaling in screening serial data for regime transitions. These occur at significant rescaled trace inflections, which signal the boundary of time series segments characterized by statistical properties
  • 1997
  • Strategies for assessing the impact of survey lags on the analysis and interpretation of Land Use Change Statistics
  • 1997
  • Canada ; Differential erosion ; Drainage network ; Fault ; Glacial isostasy ; Glaciation ; Neotectonics ; Ontario ; Palaeogeomorphology ; Quantitative analysis ; Statistics ; Vertical movement
  • a statistical study to analyse the spatial orientation of bedrock joints, modern river valleys and buried channels. An important factor in the geomorphic development has been the mid-continent stress field.
  • 1997
  • Dating ; Mudflow ; North Carolina ; Pedogenesis ; Precipitation ; Relative dating ; Slope ; Soil ; Soil properties ; Statistics ; United States of America ; Weathering
  • Periods of increased landscape instability in the Southern Blue Ridge were assessed with relative ages of 3 sequences of debris flow deposits. Relative age were obtained by qualitatively and statistically examining data on clast weathering, soil
  • 1997
  • Australia ; Braided channel ; Channel geometry ; Cross section ; Habitat ; Longitudinal section ; River bed ; Spatial variation ; Statistics ; Stream ; Victoria ; Water quality
  • of individual cross-sections using 4 parameters and then conducting statistical analyses of the parameters from a set of cross-sections. The application to the Wimmera River identifies longitudinal trends and variability in cross-section characteristics
  • 1997
  • Fire ; Forest fire ; Geographical information system ; Greece ; Mediterranean area ; Model ; Natural hazards ; Peloponnese ; Remote sensing ; Statistics ; Thematic map ; Years 1980-89 ; Years 1990-99
  • of fire spreading. A hazard model is set up based upon a combination of remote sensing techniques and a GIS. A multi source data is used, comprising cartographic documents, meteorological data, satellite imagery and statistical information about the fire
  • 1997
  • Demographic analysis ; Demography ; Economic impact ; Family ; Income transfer ; Life cycle ; Life expectancy ; Model ; Mortality ; Population ageing ; Statistics ; Welfare
  • 1997
  • Algeria ; Demography ; Statistical data
  • 1997
  • Bioclimatology ; Environment ; Food production ; Health ; Natural hazards ; Probability ; Statistical analysis
  • 1997
  • In this paper author makes an attempt to analyse the relationship between national and regional unemployment in Slovakia over the 1991-1994 period. Using an elementary statistical model based on a regressional framework involving a set of time
  • 1997
  • China ; Data ; Economic indicators ; Economy ; Region ; Statistical data
  • 1997
  • Agribusiness ; Enterprise ; Factor of production ; Industry ; Innovation ; Labour ; Logit model ; Statistics
  • 1997
  • Climatology ; Methodology ; Modelling ; Ozone ; Statistics
  • 1997
  • Cloud cover ; Estimation ; Model ; Radiation ; Solar radiation ; Statistics
  • 1997
  • Leaf area index (LAI) of natural vegetation is recognized as the most important variable for measuring vegetation structure over large areas, and for relating it to energy and mass exchange. In this paper, according to the statistical analysis based
  • 1997
  • Appennino ; Earth surface processes ; Geophysics ; Italy ; Methodology ; Mountain ; Statistics ; Topography
  • 1997
  • Atmospheric circulation ; Carpathian Mountains ; Cyclone ; Poland ; Precipitation ; Seasonal variability ; Spatial variation ; Statistics ; Time series
  • 1997
  • Meta-analysis is concerned with the formal analysis of results and findings of scientific studies. The kinds of policy or scientific study which are suitable for a meta-analysis are considered. Application of traditional statistical meta-analysis
  • 1997
  • Arctic Region ; Atlantic Ocean ; Baltic Sea ; Geophysics ; Glacier mass balance ; Glaciology ; Oceanology ; Remote sensing ; Sea ice ; Spatial variation ; Statistics
  • 1997