High frequency electromagnetic tomography

Conference · Fri Sep 01 00:00:00 EDT 1989

OSTI ID:137642

Daily, W; Ramirez, A; Ueng, T; Latorre, R

An experiment was conducted in G Tunnel at the Nevada Test Site to evaluate high frequency electromagnetic tomography as a candidate for in situ monitoring of hydrology in the near field of a heater placed in densely welded tuff. Tomographs of 200 MHz electromagnetic permittivity were made for several planes between boreholes. Data were taken before the heater was turned on, during heating and during cooldown of the rockmass. This data is interpreted to yield maps of changes in water content of the rockmass as a function of time. This interpretation is based on laboratory measurement of electromagnetic permittivity as a function of water content for densely welded tuff. 8 refs., 6 figs.

• Research Organization: Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
• DOE Contract Number: W-7405-ENG-48
• OSTI ID: 137642
• Report Number(s): UCRL-101865; CONF-890928-21; ON: DE90006926; TRN: 90:006312
• Resource Relation: Conference: Nuclear waste isolation in the unsaturated zone: FOCUS `89, Las Vegas, NV (United States), 18-21 Sep 1989; Other Information: PBD: Sep 1989
• Country of Publication: United States
• Language: English

Related Subjects

05 NUCLEAR FUELS
TOMOGRAPHY
FIELD TESTS
YUCCA MOUNTAIN
SITE CHARACTERIZATION
HYDROLOGY
MONITORING
TUFF
EVALUATION
BOREHOLES
DRILLING
HIGH-LEVEL RADIOACTIVE WASTES
UNDERGROUND DISPOSAL
GROUND WATER
DISTRIBUTION
CONTAINERS
DESIGN
MOISTURE
VARIATIONS
ELECTROMAGNETIC RADIATION
MAPS
PERMITTIVITY
MAGNETIC PROPERTIES
H CODES
TIME DEPENDENCE
HEATERS
Yucca Mountain Project