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The Number of Required Observations in Data Assimilation for a Shallow-Water Flow
2013
Monthly Weather Review
The authors consider statistical ensemble data assimilation for a one-layer shallow-water equation in a twin experiment: data are generated by an N 3 N enstrophy-conserving grid integration scheme along with an Ekman vertical velocity at the bottom of an Ekman layer driving the flow and Rayleigh and eddy viscosity dissipation damping the flow. Data are generated for N 5 16 and the chaotic flow that results is analyzed. This analysis is performed in a path-integral formulation of the data
doi:10.1175/mwr-d-12-00103.1
fatcat:vanunsrahncqxfafzewzxwzw2a