COUPLED HYDRODYNAMIC BIOLOGICAL / ECOLOGICAL MODELS FOR ALGAL BLOOM MANAGEMENT

Client:
EPA VICTORIA
location:
GIPPSLAND LAKES, VIC
overview

Ecological and water quality experts from Water Technology and Monash University joined forces to assess the water quality and ecological processes of the Gippsland Lakes. The Lakes have suffered recurrent summer toxic blooms of cyanobacterium Nodularia spumigena since 1985. A 3-D fully coupled hydrodynamic biological ecological model was used to explore the interaction between the physical and biogeochemical controls over Nodularia blooms.

The hydrodynamic model included turbulent mixing within the water column, whilst the ecological component of the model contained over 40 state variables and 200+ processes, parameterised by 176 constants to describe the biological/ecological and chemical reactions occurring in the water column and sediment compartments

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