Search Results - "Journel, André G."

Geostatistical Tools for Modeling and Interpreting Ecological Spatial Dependence by Rossi, Richard E., Mulla, David J., Journel, Andre G., Franz, Eldon H.

“…Geostatistics brings to ecology novel tools for the interpretation of spatial patterns of organisms, of the numerous environmental components with which they…”
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Stochastic modeling of atmospheric pollution: a spatial time-series framework. Part I: methodology by Kyriakidis, Phaedon C, Journel, André G

“…A geostatistical framework for joint spatiotemporal modeling of atmospheric pollution is presented. The spatiotemporal distribution of concentration levels is…”
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Stochastic modeling of atmospheric pollution: a spatial time-series framework. Part II: application to monitoring monthly sulfate deposition over Europe by KYRIAKIDIS, Phaedon C, JOURNEL, André G

“…A spatial time-series framework is adopted for stochastic modeling of monthly averaged sulfate deposition over Europe. The sulfur concentration data used in…”
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A package for geostatistical integration of coarse and fine scale data by Liu, Yongshe, Journel, André G

“…Building numerical models in earth science requires integration of many different data. Data typically come from different sources with different volume…”
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Geostatistical Space-Time Models: A Review by Kyriakidis, Phaedon C, Journel, André G

“…Geostatistical space-time models are used increasingly for addressing environmental problems, such as monitoring acid deposition or global warming, and…”
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A Novel Method for Mapping Land Cover Changes: Incorporating Time and Space With Geostatistics by Boucher, A., Seto, K.C., Journel, A.G.

“…Landsat data are now available for more than 30 years, providing the longest high-resolution record of Earth monitoring. This unprecedented time series of…”
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Changing relationship between the North Atlantic Oscillation and key North Atlantic climate parameters by Polyakova, Evgenia I., Journel, Andre G., Polyakov, Igor V., Bhatt, Uma S.

“…The North Atlantic Oscillation (NAO) is the key indicator of long‐term variability in the North Atlantic. Numerous studies have accepted as a paradigm a steady…”
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The Nu Expression for Probabilistic Data Integration by Polyakova, Evgenia I, Journel, Andre G

“…The general problem of data integration is expressed as that of combining probability distributions conditioned to each individual datum or data event into a…”
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Deriving Constraints on Small-Scale Variograms due to Variograms of Large-Scale Data by Kupfersberger, Hans, Deutsch, Clayton V, Journel, André G

“…The application of kriging-based geostatistical algorithms to integrate large-scale seismic data calls for direct and cross variograms of the seismic variable…”
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Association Announcement by Journel, Andre G, Donald, Steel, Donald M

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Correcting the Smoothing Effect of Estimators: A Spectral Postprocessor by Journel, André G, Kyriakidis, Phaedon C, Mao, Shuguang

“…The postprocessing algorithm introduced by Yao for imposing the spectral amplitudes of a target covariance model is shown to be efficient in correcting the…”
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Automatic Modeling of (Cross) Covariance Tables Using Fast Fourier Transform by Yao, Tingting, Journel, Andre G

“…Covariance models provide the basic measure of spatial continuity in geostatistics. Traditionally, a closed-form analytical model is fitted to allow for…”
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The Theoretical Links Between Sequential Gaussian Simulation, Gaussian Truncated Simulation, and Probability Field Simulation by Journel, Andre G, Ying, Zhanjun

“…Sequential Gaussian simulation (sgsim), Gaussian truncated simulation (gtsim), and probability field simulation (pfsim) are three algorithms frequently used…”
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An expanded GSLIB cokriging program allowing for two Markov models by Ma, Xianlin, Journel, André G.

“…The introduction of the two Markov models, MM1 and MM2, corresponding to two symmetric data screening hypotheses, has considerably facilitated the practice of…”
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Conditional 3D simulation of lithofacies with 2D seismic data by Mao, Shuguang, Journel, André G.

“…This paper presents a new methodology and the corresponding GSLIB-type program to integrate 2D average information, such as vertically-averaged lithofacies…”
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[The Use of Conditional Simulation in Nuclear-Waste-Site Performance Assessment]: Discussion by Journel, André G., Journel, Andre G.

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[The Use of Conditional Simulation in Nuclear-Waste-Site Performance Assessment]: Discussion by Journel, André G.

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Integrating seismic attribute maps and well logs for porosity modeling in a west Texas carbonate reservoir: addressing the scale and precision problem by Yao, Tingting, Journel, Andre G.

“…A 3-D porosity field in a west Texas carbonate reservoir is modeled conditional to both “hard” porosity data sampled by wells and 2-D seismic attribute map…”
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Changing relationship between the North Atlantic Pscillation and key North Atlantic climate parameters by POLYAKOVA, Evgenia I, JOURNEL, Andre G, POLYAKOV, Igor V, BHATT, Uma S

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Geostatistics and Petroleum Geology by Journel, Andre G

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