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  • Stochastic models of sediment motion on flat bed
  • Géographie physique ; Hydrodynamique ; Modèle ; Modèle stochastique ; Sédiment
  • Incorporation of hydrologic cycle elements into the Dynamic-Stochastic climate model
  • Atmosphere ; Climatic variation ; Climatology ; Dynamic model ; Energy balance ; Evaporation ; Hydrology ; Hydrosphere ; Model ; Precipitation ; Stochastic model ; Thermal exchange ; Water cycle;Water circulation
  • Atmosphère ; Bilan énergétique ; Climatologie ; Cycle de l'eau ; Echange thermique ; Evaporation ; Hydrologie ; Hydrosphère ; Modèle ; Modèle dynamique ; Modèle stochastique ; Précipitation ; Variation climatique
  • The ways of incorporation of hydrologic cycle elements into the dynamic-stochastic heat and water exchange climate model are considered. Such approach enables to identify the main sources of precipitation climatologic variability.
  • A stochastic hydro-geomorphological model for shallow landsliding due to rainstorm
  • Honshu ; Japan ; Landslide ; Model ; Natural hazards ; Rainstorm ; Slope ; Slope dynamics ; Spatial distribution ; Stochastic model ; Thematic map
  • Carte thématique ; Distribution spatiale ; Dynamique de versant ; Glissement de terrain ; Honshū ; Japon ; Modèle ; Modèle stochastique ; Orage ; Risque naturel ; Versant
  • A prediction model of shallow landsliding is proposed. It considers not only the determininstic aspects containing slope stability, saturated throughflow and a soil (regolith) depth development, but also the stochastic aspects of intensity
  • A stochastic model for initial movement of sand grains by wind
  • Aeolian features ; Aeolian transport ; Model ; Stochastic model ; Threshold ; Wind ; Wind speed
  • Eolien ; Modèle ; Modèle stochastique ; Seuil ; Transport éolien ; Vent ; Vitesse du vent
  • A stochastic model for entrainment of sand grains by wind is presented through analysis of the forces exerted on a single spherical grain, coupled with fluctuations of wind velocity and the change in grain position on the surface, in order
  • Conjunctive use of deterministic and stochastic models for predicting sediment storage in large reservoirs. 1. A stochastic sediment storage model
  • Modèle de prévision de la sédimentation dans les réservoirs, sous forme d'une fonction temporelle. Développement d'un modèle stochastique de la sédimentation totale des réservoirs: le processus de sédimentation est traité comme un processus additif
  • Complex confining layers. A stochastic analysis of hydraulic properties at various scales
  • Groundwater ; Hydrology ; Netherlands (The) ; Scale ; Stochastic model
  • Eau souterraine ; Echelle ; Hydrologie ; Modèle stochastique ; Pays-Bas
  • to derive representative hydraulic properties at the scale of model blocks, from hydraulic properties measured at the score scale. - (AGD)
  • A stochastic model for measles epidemics in a multi-region setting
  • Bristol ; England ; Epidémie ; Gloucestershire ; Géographie humaine ; Modèle stochastique ; Processus aléatoire ; Royaume-Uni ; Santé
  • Modèle stochastique régional pour la diffusion des épidémies de rougeole. Application à 10 sous-régions autour de Bristol.
  • On the stochastic model of rill development in slope system.
  • Densité de drainage ; Géographie physique ; Modèle stochastique ; Probabilité ; Ruissellement ; Versant
  • Présentation d'un modèle mathématique permettant de calculer le nombre probable de ruisselets et vérification expérimentale. (A. Berque).
  • Stochastic trigger model for flood peaks. 2. Application of the model to the flood peaks of Goksu-Karahacili
  • Stochastic simulation of daily weather sequences at a single site : an appraisal of the State-of-the-Art
  • Climatologie ; Modèle ; Méthodologie ; Précipitation ; Prévision ; Radiation ; Statistique ; Température ; Zone intertropicale ; Zone tempérée
  • Climatology ; Forecast;Prediction ; Methodology ; Mid-latitude zone;Temperate zone ; Model ; Precipitation ; Radiation ; Statistics ; Temperature ; Tropical zone
  • Stochastic parameter estimation procedures for hydrologic rainfall-runoff models: correlated and heteroscedastic error cases
  • Stochastic housing model with random constructions
  • Habitability ; Housing ; India ; Matrix analysis ; Model ; Probability ; Stochastic model ; Urban construction ; Urban structure
  • Calcul matriciel ; Construction urbaine ; Habitabilité ; Inde ; Logement ; Modèle ; Modèle stochastique ; Probabilité ; Structure urbaine
  • Drainage basin sensitivity to tectonic and climatic forcing : implications of a stochastic model for the role of entrainment and erosion thresholds
  • Earth surface processes ; Erosion ; Erosion rate ; Model ; Precipitation ; Runoff ; Sediment transport ; Stochastic model ; Threshold ; Watershed
  • Bassin-versant ; Ecoulement ; Erosion ; Géomorphodynamique ; Modèle ; Modèle stochastique ; Précipitation ; Seuil ; Transport sédimentaire ; Vitesse d'érosion
  • The A. describes a stochastic model for modelling long-term sediment transport and erosion rates that (a) incorporates an erosion threshold, and (b) captures the integrated effects of a spectrum of runoff events. Solutions are derived
  • and numerically tested for 3 erosion/transport formulas : The Howard-Kerby shear-stress incision model, the Bridge-Domininic sediment transport model, and a generic shear-stress sediment transport model. Results imply that non-linearity resulting from threshold
  • Postglacial topographic evolution of glaciated valleys : a stochastic landscape evolution model
  • British Columbia ; Canada ; Climatic change ; Cold area ; Glacial valley ; Glacier retreat ; Landscape dynamics ; Model ; Stochastic model
  • British Columbia ; Canada ; Changement climatique ; Dynamique du paysage ; Modèle ; Modèle stochastique ; Paraglaciaire ; Recul du glacier ; Vallée glaciaire ; Zone froide
  • The AA. have studied the evolution of an idealized glaciated valley during the period following retreat of ice using a numerical model. The model incorporates a stochastic process to represent deep-seated landsliding, non-linear diffusion
  • to represent shallow landsliding and an approximation of the Bagnold relation to represent fluvial sediment transport. It was calibrated using field data from several recent surveys within British Columbia, Canada. This model predicts a rapid rate of fluvial
  • sediment transport following deglaciation with a subsequent gradual decline, similar to that inferred for Holocene time. The AA. also describe how changes in the model parameters affect the estimated magnitude and duration of the paraglacial sediment pulse.
  • A stochastic weather generator as a tool for the construction of climate change scenarios
  • Changement global ; Climat régional ; Modèle ; Pologne ; Simulation ; Variation climatique
  • Climatic variation ; Global change ; Model ; Poland ; Regional climate ; Simulation
  • weather model, a stochastic weather generator simulating daily values for elements of the climate. An attempt to verify the model was made on the basis of data for the Zamość weather station. Discussion of the results.
  • General Circulation Models (GCMs) are now the tools most widely applied in the generation of scenarios for climatic change on the global scale. One of the methods by which to move down from the global to regional scales is application of the LARS-WG
  • A stochastic model of the propagation of local fire fronts in New York City : implications for public policy
  • Dégradation ; Environnement urbain ; Equipement collectif ; Espace urbain ; Etats-Unis ; Géographie de l'Amérique ; Incendie ; Modèle stochastique ; New York City ; Politique urbaine ; Poste d'incendie ; Processus de diffusion ; Service public
  • A stochastic model of block-loevel advancing contagious urban decay is presented under conditions of inadequate fire extinguishment services. It is based on earlier obsrvations that spread of urban decay in small areas involves sudden clusters
  • Modelling raindrop impact and splash erosion processes within a spatial cell : a stochastic approach
  • Model ; Rainfall simulation ; Soil erosion ; Soil properties ; Splash ; Stochastic model ; Water erosion
  • Erosion des sols ; Erosion hydrique ; Modèle ; Modèle stochastique ; Propriétés du sol ; Simulation de pluie ; Splash
  • A new approach is proposed to simulate splash erosion on local soil surfaces. Without the effect of wind and other raindrops, the impact of free-falling raindrops was considered as an independent event from the stochastic viewpoint. An empirical
  • . The comparison of simulated data with measured data showed that this model could be applied to simulate the soil-splash process successfully.
  • A stochastic weather generator as a tool for the construction of climate change scenarios
  • Agroclimatology ; Atmospheric circulation ; Climatic variability ; Climatic variation ; Crop ; Greenhouse effect ; Model ; Poland ; Simulation ; Stochastic model
  • Agroclimatologie ; Circulation atmosphérique ; Effet de serre ; Modèle ; Modèle stochastique ; Pologne ; Récolte ; Simulation ; Variabilité climatique ; Variation climatique
  • Crop-growth simulation models need long-term daily weather data to assess possible modifications in farm production in changed climatic conditions. Here, is presented a stochastic weather generator LARS-WG that provides synthetic long time series
  • of climatic elements. The generator gave an adequate simulation of weather parameters for a selected station (Zamość) in Poland and was next applied to construct climate change scenarios on the basis of UKTR model data.
  • The estimation of duration-of-residence effects: a stochastic modeling approach
  • Utilise un modèle stochastique discret pour estimer les réels effets de durée de séjour. Application à la mobilité résidentielle dans le Wisconsin.
  • Conditional flow simulation: a stochastic forecast model
  • Modèle stochastique de simulation basé sur des probabilités conditionnelles de l'écoulement. Il utilise les valeurs d'équivalent en eau de la neige comme entrée et génère les distributions des valeurs d'équivalent en eau pour des mois successifs en