Report

Chapelle et al. 2003 MNA NAS (Natural Attenuation Software) http://www.nas.cee.vt.edu/index.php Centerline analysis Centerline analysis – assume no transverse dispersion: 2c 2c 2c c c Dx 2 Dy 2 Dz 2 v Rc R x t x y z Concept of the steady state plume IN = OUT Under what conditions is this plume at steady state? At steady state: 2c c c Dx 2 v Rc R x t x R= 3 R= 6 R= 10 At large times, value of R is unimportant. k= NAC =