Browsing ELibrary by Subject "HETEROGENEITY"
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Browsing ELibrary by Subject "HETEROGENEITY"
Now showing items 1-14 of 14
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(2002)Many processes in the Earth's crust are controlled by the chemical and physical interactions between fluids and geological media where the lattice is usually characterised by a heterogeneous permeability, intrinsic rock ...
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(2004)Simulation of subsurface heterogeneity is important for modeling subsurface flow and transport processes. Previous studies have indicated that subsurface property variations can often be characterized by fractional Brownian ...
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(2001)The present study treats the aggregation of the heterogeneity of the surface heat fluxes. The aggregation criteria proposed here are used to evaluate the aggregation error and to calculate the maximum values of the statistics ...
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(2004)A Bayesian inverse method is applied to two electromagnetic flowmeter tests conducted in fractured weathered shale at Oak Ridge National Laboratory. Traditional deconvolution of flowmeter tests is also performed using a ...
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(2003)Transport of a conservative solute takes place by advection and by pore-scale dispersion in a formation of spatially variable logconductivity Y(x)=lnK(x). The latter is modeled as a normal stationary random space function, ...
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(2004)Distributed hydrological models are useful tools to analyse the performance of irrigation systems at different levels. For the successful application of these models, it is imperative that effective soil hydraulic parameters ...
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(2002)Sedimentary deposits are often characterized by various distinct facies, with facies structure relating to the depositional and post-depositional environments. Permeability (k) varies within each facies, and mean values ...
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(2002)Natural aquifers are heterogeneous, and geostatistical methods are widely used to simulate the heterogeneity of aquifer properties. Due to limited available data, it is essential to integrate as much information as possible ...
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COUPLED INVERSE MODELLING OF GROUNDWATER FLOW AND MASS TRANSPORT AND THE WORTH OF CONCENTRATION DATA (2003)This paper presents the extension of the self-calibrating method to the coupled inverse modelling of groundwater flow and mass transport. The method generates equally likely solutions to the inverse problem that display ...
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(2002)A model that incorporates a pseudo-random process controlled by mechanical rules of fracturing is used to generate 3D orthogonal joint networks in tabular stratified aquifers. The results presented here assume that two ...
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(2002)We present an extension of the conventional geochemical reservoir model for the evolution of the Earth's crust-mantle system in which we calculate not only the mean isotopic ratios, but also the distribution of those ratios ...
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(2002)Increasing attention has been paid to the use of non-Gaussian distributions as models of heterogeneity in sedimentary formations in recent years. In particular, the Levy-stable distribution has been shown to be a useful ...
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(2001)The aim of this paper is to analyse how the scattered wavefield in a highly heterogeneous structure influences the image quality of structures below it and how the velocity control during processing of data from highly ...
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(2001)In many areas of the world, the presence of shallow high velocity, highly heterogeneous layers complicate seismic imaging of deeper reflectors. Of particular economic interest are areas where potentially hydrocarbon-bearing ...
Now showing items 1-14 of 14