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AbstractAbstract
[en] A - Description of program or function: REPRISK-PC is a PC version of the REPRISK model used in the modelling of long-term radionuclide releases and population health effects resulting from disposal of high level radioactive wastes in mined geological repositories. REPRISK is a set of computer programs and databases that models the transport of radionuclides from the repository through the environment to exposed human populations and estimates the resulting health impact. B - Method of solution: Various natural processes or human activities could lead to radionuclide releases from a geological repository after it has been closed. These perturbations happen according to some frequency or probability. REPRISK-PC incorporates the characteristics of these perturbations and their associated probability. REPRISK-PC models four release scenarios: (1) direct impact of a waste package - releases to air and land surface (volcano, meteorite, drilling/direct hit); (2) direct impact of a waste package - releases to an aquifer (faulting, breccia pipes); (3) disruption of the repository - releases to land (drilling/no hit); (4) disruption of the repository - releases to an aquifer (normal groundwater flow, faulting, breccia pipes, drilling/no hit). C - Restrictions on the complexity of the problem: REPRISK-PC does not model the differences in radionuclide-specific velocities, which may control the travel time from repository to the accessible environment. It is not a good model for time periods greater than 10,000 years when radium daughters become important
Primary Subject
Source
21 Oct 1993; [html]; Available on-line: http://www.nea.fr/abs/html/ccc-0586.html; Country of input: International Atomic Energy Agency (IAEA); 4 refs.
Record Type
Miscellaneous
Literature Type
Software
Country of publication
AIR POLLUTION, AQUIFERS, COMPUTER PROGRAM DOCUMENTATION, COMPUTERIZED SIMULATION, DAUGHTER PRODUCTS, DRILLING, ENVIRONMENTAL EFFECTS, ENVIRONMENTAL IMPACTS, GROUND WATER, HEALTH HAZARDS, HIGH-LEVEL RADIOACTIVE WASTES, HUMAN POPULATIONS, LAND POLLUTION, METEORITES, PERTURBATION THEORY, PIPES, PROBABILITY, R CODES, RADIOACTIVE WASTE STORAGE, RADIOISOTOPES, RADIONUCLIDE MIGRATION, RADIUM, RISK ASSESSMENT, UNDERGROUND STORAGE, VOLCANOES, WEBSITES
ALKALINE EARTH METALS, COMPUTER CODES, DOCUMENT TYPES, ELEMENTS, ENVIRONMENTAL TRANSPORT, HAZARDS, HYDROGEN COMPOUNDS, ISOTOPES, MANAGEMENT, MASS TRANSFER, MATERIALS, METALS, OXYGEN COMPOUNDS, POLLUTION, POPULATIONS, RADIOACTIVE MATERIALS, RADIOACTIVE WASTE MANAGEMENT, RADIOACTIVE WASTES, SIMULATION, STORAGE, TUBES, WASTE MANAGEMENT, WASTE STORAGE, WASTES, WATER
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