Imaging of spectral electrical properties of porous media in varying hydraulic states using EIT
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| Titles: | Main Title: Imaging of spectral electrical properties of porous media in varying hydraulic states using EIT Alternative Title: 3rd report |
| Description: | 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: | Matthias Kelter (Author) |
| Publisher: | CRC/TR32 Database (TR32DB) |
| Publication Year: | 2015 |
Topic
| TR32 Topic: | Soil |
| Related Subproject: | A3 |
| Subject: | Keyword: PhD Report |
File Details
| Filename: | Kelter_2013_2.docx |
| Data Type: | Text - Text |
| File Size: | 2.5 MB |
| Date: | Submitted: 01.08.2013 |
| Mime Type: | application/vnd.openxmlformats-officedocument.wordprocessingml.document |
| Data Format: | MS word |
| Language: | English |
| Status: | Completed |
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| Download Permission: | Only Project Members |
| 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
Specific Information - 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 Information: | TR32 Student Report Phase II |
Metadata Details
| Metadata Creator: | Matthias Kelter |
| Metadata Created: | 15.09.2015 |
| Metadata Last Updated: | 15.09.2015 |
| Subproject: | A3 |
| Funding Phase: | 2 |
| Metadata Language: | English |
| Metadata Version: | V50 |
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| Page Visits: | 953 |
| Metadata Downloads: | 0 |
| Dataset Downloads: | 0 |
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