has part has part has_part bearer of has characteristic advective transport process advective transport A material transport process during which a volume of material is displaced due to a disequilibrium in physical forces and during which 1) the qualities that inhere in that volume and 2) the processes that are unfolding within it are largely unchanged. Advective processes are disjoint from diffusive processes. Typically, fluids are advected. convective transport process advective material diffusion process material transport process