A Physical-biological Coupled Model for Algal Dynamics in lakes

摘要

A coupled model is presented for simulating physical and biological dynamics in fresh water lakes. The physical model rests upon the assumption that the turbulent kinetic energy in a water column of the lake is fully contained in a mixed layer of variable depth. Below this layer the mechanical energy content is assumed to vanish. Additionally, the horizontal currents are ignored. This one-dimensional two-layered Model describes the internal conversion of the mechanical and thermal energy input From the atmosphere into an evolution of the mixed layer depth by entrainment and Detrainment mechanisms. It is supposed to form the physical domain in which the Simulation of the biological processes takes place.