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Examination of Solute Transport in an Undisturbed Soil Column Using Electrical Resistance Tomography
Author(s) -
Binley Andrew,
HenryPoulter Siobhan,
Shaw Ben
Publication year - 1996
Publication title -
water resources research
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.863
H-Index - 217
eISSN - 1944-7973
pISSN - 0043-1397
DOI - 10.1029/95wr02995
Subject(s) - tracer , soil science , tracing , soil water , electrical resistivity tomography , column (typography) , environmental science , electrical resistance and conductance , tomography , soil test , spatial variability , geology , hydrology (agriculture) , geotechnical engineering , materials science , electrical resistivity and conductivity , engineering , computer science , composite material , connection (principal bundle) , electrical engineering , mathematics , structural engineering , optics , operating system , nuclear physics , statistics , physics
In an effort to determine the internal spatial characteristics of solute transport in naturally heterogeneous soils, recent applications of electrical resistance tomography to soil core tracing are reported. Using a high‐speed, biomedical type data acquisition system, migration of an electrolytic tracer in an undisturbed soil column was monitored. Quantitative images produced from the collected data display an interesting sequence of patterns of internal tracer breakthrough at cross sections of the soil column. Analysis of pixel breakthrough behavior reveals spatial variation of transport characteristics throughout the soil column.

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