Technical Bulletin, Edição 1661

2a²t 4DRt Analytical Solution c(x,t B₁ B₁(x Bm cot Bm Boundary Conditions c(x,0 C₁ C₂ computer programs CONSTANT INITIAL CONCENTRATION CONVECTIVE-DISPERSIVE EQUATION converges much slower curves DBND DEPTH VALUE 0.0 DEPTH VALUE DEPTH DZERO easier to evaluate eigenvalues erfc 2D Rx erfc R(2L-x erfc Rx exp(X exp[VL expl F₁(x FIRST-ORDER DECAY first-type boundary condition FORMAT 11X Genuchten IMAX Initial and Boundary initial condition INPUT CONCENTRATION Laplace transform LINEAR ADSORPTION lower boundary NUMBER OF TERMS ONE-DIMENSIONAL CONVECTIVE-CISPERSIVE EQUATION ONE-DIMENSIONAL CONVECTIVE-DISPERSIVE PORE VOLUME VVC positive roots rate coefficient roots of Bm Rx vt semi-infinite system series solution Soil Science steady-state solution SUBROUTINE T.GT.TO T.LE.TO Table term B1(x third-type boundary condition transport equation VALUE DEPTH VALUE vt 2(DRT vt exp(vx/D vt)² VX 2D zero-order production Ιβ дс дх дс Эх