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Full-Text Articles in Physical Sciences and Mathematics
A Three-Dimensional Environmental Fluid Dynamics Computer Code : Theoretical And Computational Aspects, John M. Hamrick
A Three-Dimensional Environmental Fluid Dynamics Computer Code : Theoretical And Computational Aspects, John M. Hamrick
Reports
This report describes and documents the theoretical and computational aspects of a three-dimensional computer code for environmental fluid flows. The code solves the three-dimensional primitive variable v1ertically hydrostatic equations of motion for turbulent flow in a coordinate system which is curvilinear and orthogonal in the horizontal plane and stretched to follow bottom topography and free surface displacement in the vertical direction which is aligned with the gravitational vector. A second moment turbulence closure scheme relates turbulent viscosity and diffusivity to the turbulence intensity and a turbulence length scale. Transport equations for the turbulence intensity and length scale as well as …
Bank Erosion Study, C. Scott Hardaway Jr., George R. Thomas, J. B. Glover, J. B. Smithson, Marcia Berman, A. K. Kenne
Bank Erosion Study, C. Scott Hardaway Jr., George R. Thomas, J. B. Glover, J. B. Smithson, Marcia Berman, A. K. Kenne
Reports
The Bank Erosion Study was designed to evaluate eroding fast land bank shorelines as contributors of sand, silt and clay and total nitrogen and total phosphorous introduced into the Chesapeake Bay estuarine system. In addition, the extent and effectiveness of erosion control measures were evaluated for selected shoreline reaches. Fastland banks are the uplands along the shorelines that are composed of semi-consolidated sediments. This study evaluates about 2000 miles of primary tidal shoreline in the Virginia portion of the Chesapeake Bay estuarine system for areas of fast land bank erosion. Primary tidal shorelines are those along the main stem of …