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Stability and consistency of nonhydrostatic free-surface models using the semi-implicit
theta-method stability accuracy artificial damping free surface nonhydrostatic pressure ocean modeling
2015/6/30
The -method is a popular semi-implicit finite-difference method for simulating free-surface flows. Problem stiffness, arising because of the presence of both fast and slow timescale processes, is eas...
Assimilation of Geosat Altimetric Data in a Nonlinear Reduced-Gravity Model of the Indian Ocean. Part 1：Adjoint Approach and Model-Data Consistency
Geosat Altimetric Data Nonlinear Reduced-Gravity Model Indian Ocean Model-Data Consistency
2008/12/16
Geosat sea-level variations are assimilated into a nonlinear shallow-water model of the Indian Ocean. After spinup, the model forced by observed winds over 1985–1988 provides a first guess for initial...