Use of radioactive and neutron-activatable tracers to determine effective hydrogeologic parameters
Conference
·
· Trans. Am. Nucl. Soc.; (United States)
OSTI ID:7259702
The migration of nuclides in a geologic medium is controlled by the hydrogeologic parameters of the medium such as the dispersion coefficient, pore water velocity, retardation factor, degradation rate, mass transfer coefficient, water content, and fraction of dead-end pores. The breakthrough curve (BTC), which is the graphical relationship between the tracer concentration and the elapsed time since introduction, is an integrated picture of the hydrogeologic parameters that produced the BTC. Both radioactive and neutron-activatable tracers have been used to generate BTCs. The BTC of a /sup 92/Br radioactive tracer generated under saturated conditions in a nonhomogeneous (fractured) soil column is shown. From BTCs, the effective hydrogeologic parameters can be identified if appropriate techniques are applied.
- Research Organization:
- Argonne National Lab., IL
- OSTI ID:
- 7259702
- Report Number(s):
- CONF-851115-
- Conference Information:
- Journal Name: Trans. Am. Nucl. Soc.; (United States) Journal Volume: 50
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
520300 -- Environment
Aquatic-- Radioactive Materials Monitoring & Transport-- (1989)
54 ENVIRONMENTAL SCIENCES
58 GEOSCIENCES
580100* -- Geology & Hydrology-- (-1989)
BETA DECAY RADIOISOTOPES
BETA-MINUS DECAY RADIOISOTOPES
BROMINE 82
BROMINE ISOTOPES
DAYS LIVING RADIOISOTOPES
ENVIRONMENTAL TRANSPORT
GEOLOGIC SURVEYS
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INTERMEDIATE MASS NUCLEI
ISOTOPE APPLICATIONS
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RADIOACTIVE TRACER LOGGING
RADIOACTIVITY LOGGING
RADIOISOTOPES
RADIONUCLIDE MIGRATION
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Aquatic-- Radioactive Materials Monitoring & Transport-- (1989)
54 ENVIRONMENTAL SCIENCES
58 GEOSCIENCES
580100* -- Geology & Hydrology-- (-1989)
BETA DECAY RADIOISOTOPES
BETA-MINUS DECAY RADIOISOTOPES
BROMINE 82
BROMINE ISOTOPES
DAYS LIVING RADIOISOTOPES
ENVIRONMENTAL TRANSPORT
GEOLOGIC SURVEYS
HYDROLOGY
INTERMEDIATE MASS NUCLEI
ISOTOPE APPLICATIONS
ISOTOPES
MASS TRANSFER
MATHEMATICAL MODELS
NUCLEI
ODD-ODD NUCLEI
RADIOACTIVE TRACER LOGGING
RADIOACTIVITY LOGGING
RADIOISOTOPES
RADIONUCLIDE MIGRATION
SURVEYS
TRACER TECHNIQUES
WELL LOGGING