RT Journal Article SR Electronic(1) A1 Hauge, V.L. A1 Aarnes, J.E. A1 Lie, K.A.YR 2008 T1 Operator Splitting of Advection and Diffusion on Non-uniformly Coarsened Grids JF , VO OP SP cp-62-00039 DO https://doi.org/10.3997/2214-4609.20146392 PB European Association of Geoscientists & Engineers, SN 2214-4609, AB , UL https://www.earthdoc.org/content/papers/10.3997/2214-4609.20146392