Ecomsed

ECOMSED is a three-dimensional numerical model that simulates hydrodynamic, wave, and sediment transport. This model can be used to simulate the spatial and temporal distribution of water levels, currents, waves, water temperature, salinity, tracers, and sticky/non-viscous sediments in marine and freshwater systems.

Lake TaihuWater Pollution
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contributed at 2018-06-21

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Classification(s)

Earth System SubjectEarth Surface SystemHydrosphere

Detailed Description

Taihu Lake is a large-scale shallow-water lake. The lake is open and the water is shallow and flat. Under the action of wind and waves, sediments on the lake bottom are prone to resuspend. This increases the suspended matter in the lake water, which affects the transparency of the Taihu Lake water and the distribution of nutrients in the water. Phytoplankton growth. Therefore, the analysis of the concentration of suspended solids in Taihu Lake can provide a mechanism for the outbreak of algae blooms in Taihu Lake.

ECOMSED is a three-dimensional numerical model that simulates hydrodynamic, wave, and sediment transport. This model can be used to simulate the spatial and temporal distribution of water levels, currents, waves, water temperature, salinity, tracers, and sticky/non-viscous sediments in marine and freshwater systems.

Ecomsed Modeling Framework

The model adopts the Sigma coordinate system vertically, and it can more conveniently handle shallow water-changing underwater terrain. Horizontal orthogonal grids can be used to fit the shoreline better, ie Arakawa C staggered grid. The calculation of the model uses the separation of internal and external modes, the horizontal time difference uses an explicit format, and the vertical time difference uses an implicit format. The structure of ECOMSED is shown above.

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contributed at 2018-06-21

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