CH3DCurvilinear Hydrodynamics in 3 Dimensions
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We applied OF1SIM using 3 y of CH3D data to determine temporal variability in oyster habitat as it relates to changes in salinity.
First, area was computed for the CH3D grid cell layer (grid cells are not uniform in size and shape, but the total area was 871.
Salinity variables were extracted from hydrodynamic simulations of the Lower Rappahannock River, using the CH3D model, which is a 3-dimensional, finite-difference hydrodynamic model that uses a horizontal curvilinear grid and a vertical z-grid to calculate temporally varying water levels and 3-dimensional velocity, temperature, and salinity (Kim 2013).