Water pollution assessment problems arise frequently in environmental science. In this research, a finite difference method for solving a one-dimensional steady convection-diffusion equation with variable coefficients is presented.
Pochai, N., & Deepana, R. (2011). A numerical computation of water quality measurement in a uniform channel using a finite difference method. In Procedia Engineering (Vol. 8, pp. 85–88). https://doi.org/10.1016/j.proeng.2011.03.016