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- W1997788484 abstract "PreviousNext No AccessSEG Technical Program Expanded Abstracts 2004Porosity models for heterogeneous alluvial aquifers based on conditional geostatistical simulations using hydrogeophysical dataAuthors: Jens TronickeKlaus HolligerJens TronickeSwiss Federal Institute of TechnologySearch for more papers by this author and Klaus HolligerSwiss Federal Institute of TechnologySearch for more papers by this authorhttps://doi.org/10.1190/1.1851118 SectionsAboutPDF/ePub ToolsAdd to favoritesDownload CitationsTrack CitationsPermissions ShareFacebookTwitterLinked InRedditEmail Abstract High‐resolution geophysical data can bridge the gap in terms of resolution and coverage between traditional hydrological methods, such as core analyses and tracer/pumping tests. Although there is ample evidence of links between geophysical and hydrological parameters, such relationships are often weak, ambiguous and site‐specific. Therefore, alternative approaches must be developed to combine geophysical and hydrological data measured at different scales. The quantitative integration of such a diverse database represents one of the major challenges in the field of hydrogeophysics. In this study, we explore the usefulness of conditional geostatistical simulations for this purpose. Using a realistic porosity model of a heterogeneous alluvial aquifer, we simulate corresponding neutron porosity logs and crosshole georadar tomographic surveys. The reason for the choice of these geophysical methods is that they provide the most direct estimates of the porosity structure. We then use a conditional simulation approach based on simulated annealing to integrate this database. The effectiveness of this approach is assessed by comparing the results for a variety of modeled porosity fields that differ fundamentally in terms of their conditioning data. Our results indicate that this approach allows for a realistic characterization in the sub‐meter range of the porosity distribution in heterogeneous alluvial aquifers.Permalink: https://doi.org/10.1190/1.1851118FiguresReferencesRelatedDetails SEG Technical Program Expanded Abstracts 2004ISSN (print):1052-3812 ISSN (online):1949-4645Copyright: 2004 Pages: 2586 publication data© 2004 Copyright © 2004 Society of Exploration GeophysicistsPublisher:Society of Exploration Geophysicists HistoryPublished Online: 03 Jan 2005 CITATION INFORMATION Jens Tronicke and Klaus Holliger, (2004), Porosity models for heterogeneous alluvial aquifers based on conditional geostatistical simulations using hydrogeophysical data, SEG Technical Program Expanded Abstracts : 1401-1404. https://doi.org/10.1190/1.1851118 Plain-Language Summary PDF DownloadLoading ..." @default.
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- W1997788484 title "Porosity models for heterogeneous alluvial aquifers based on conditional geostatistical simulations using hydrogeophysical data" @default.
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