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Title: Advances in interpretation of subsurface processes with time-lapse electrical imaging

Electrical geophysical methods, including electrical resistivity, time-domain induced polarization, and complex resistivity, have become commonly used to image the near subsurface. Here, we outline their utility for time-lapse imaging of hydrological, geochemical, and biogeochemical processes, focusing on new instrumentation, processing, and analysis techniques specific to monitoring. We review data collection procedures, parameters measured, and petrophysical relationships and then outline the state of the science with respect to inversion methodologies, including coupled inversion. We conclude by highlighting recent research focused on innovative applications of time-lapse imaging in hydrology, biology, ecology, and geochemistry, among other areas of interest.
Authors:
; ; ;
Publication Date:
OSTI Identifier:
1208765
Report Number(s):
PNNL-SA-110809
47870; KP1702030
DOE Contract Number:
AC05-76RL01830
Resource Type:
Journal Article
Resource Relation:
Journal Name: Hydrological Processes, 29(6):15-49-1576
Research Org:
Pacific Northwest National Laboratory (PNNL), Richland, WA (US), Environmental Molecular Sciences Laboratory (EMSL)
Sponsoring Org:
USDOE
Country of Publication:
United States
Language:
English
Subject:
INDUCED-POLARIZATION DATA; DATA INCORPORATING TOPOGRAPHY; NONSYMMETRIC LINEAR-SYSTEMS; INFILTRATING RIVER WATER; RESISTIVITY TOMOGRAPHY; SOLUTE TRANSPORT; RESISTANCE TOMOGRAPHY; DC-RESISTIVITY; COMPLEX CONDUCTIVITY; HYDRAULIC CONDUCTIVITY; Environmental Molecular Sciences Laboratory