(SEasonal SOIL) is a one-dimensional vertical transport screening-level model for the unsaturated (vadose
) zone. It simulates contaminant transport and fate based on diffusion
, and hydrolysis
SESOIL is a public-domain program written in FORTRAN developed in 1981 by the United States Environmental Protection Agency (USEPA), written by Bonazountas and Wagner of the Arthur D. Little corporation.