MODEL OF TRITIUM DISPERSION BY GROUND WATER
A. V. Golubev, S. V. Mavrin, and A. V. Sten'gach

UDC 556.013:556.388

A three-dimensional model of ground-water contamination 
in the zone of a steady source of tritium is presented. The model 
is oriented toward long-term modeling of contamination (for up to 
several decades) on a large area (of up to several hundred square 
kilometers) where the contaminant arrives through the roof of the 
aquiferous stratum by infiltration. The three-dimensional equation 
of convective diffusion is solved numerically by the method of splitting. 
The convective component is calculated by the method of particles. 
The dispersion component of the transfer is calculated using the 
finite-difference method. A transformation of the vertical coordinate 
is introduced. A solution of the model problem is presented and an 
interpretation of the results is given.

JEPTER74920200013
JEPTER7492013