[1180] - Imaging of spectral electrical properties of porous media in varying hydraulic states using EIT

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Citation
Kelter, M., 2013. Imaging of spectral electrical properties of porous media in varying hydraulic states using EIT. PhD Report, Institute of Bio- and Geosciences (IBG-3), Research Center Jülich, Jülich, Germany. Accessed from https://www.tr32db.uni-koeln.de/data.php?dataID=1180 at 2019-07-20.
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Identification
Title(s):Main Title: Imaging of spectral electrical properties of porous media in varying hydraulic states using EIT
Alternative Title: 3rd report
Description(s):Abstract: Accurate knowledge about the spatial distribution of hydraulic properties in the subsoil are of great importance for any kind of hydrological modeling. Geophysical methods are able to provide high resolution images of physical properties in the soil which can be related to hydraulic properties. One of these techniques, electrical impedance tomography (EIT) images the complex electrical resistivity distribution in the ground. It has recently been shown, that spectral electrical properties can be related to hydraulic properties of saturated and partially saturated soils and rocks. As EIT can be performed also in a spectral manner (i.e. for a number of specified frequencies) spectral electrical parameters can be imaged by using this method which then allows for imaging hydraulic properties. In this study spectral electrical imaging was performed on successively drained artificial soil columns (homogeneous and heterogeneous). We compare our results obtained by imaging with reference data from effective spectroscopic measurements on the same material and investigate the reproducibility of the spectral electrical properties in an imaging approach for different degrees of heterogeneity and different artificial soils and in dependence on the hydraulic state.
Responsible Party
Creator(s):Author: Matthias Kelter
Publisher:CRC/TR32 Database (TR32DB)
Topic
TR32 Topic:Soil
Related Sub-project(s):A3
Subject(s):CRC/TR32 Keywords: PhD Report
File Details
File Name:Kelter_2013_2.docx
Data Type:Text
File Size:2527 kB (2.468 MB)
Date(s):Date Submitted: 2013-08-01
Mime Type:application/vnd.openxmlformats-officedocument.wordprocessingml.document
Data Format:MS word
Language:English
Status:Completed
Constraints
Download Permission:OnlyTR32
General Access and Use Conditions:According to the TR32DB data policy agreement.
Access Limitations:According to the TR32DB data policy agreement.
Licence:TR32DB Data policy agreement
Geographic
North:-no map data
East:-
South:-
West:-
Measurement Region:Laboratory
Measurement Location:--Laboratory--
Specific Informations - Report
Report Date:1st of August, 2013
Report Type:PhD Report
Report City:Jülich, Germany
Report Institution:Institute of Bio- and Geosciences (IBG-3), Research Center Jülich
Further Informations:TR32 Student Report Phase II
Metadata Details
Metadata Creator:Matthias Kelter
Metadata Created:2015-09-15
Metadata Last Updated:2015-09-15
Subproject:A3
Funding Phase:2
Metadata Language:English
Metadata Version:V40
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