Investigation of the summer climate of North America: a regional atmospheric modeling study
The Regional Atmospheric Modeling System (RAMS) is used to investigate model sensitivity and the summer climate of North America. The value restored and added by dynamical downscaling is first evaluated. At large scales, RAMS underestimates atmospheric variability and this worsens as the grid spacing increases or domain size increases. The model simulated evolution of kinetic energy relative to the driving reanalysis kinetic energy exhibits a decrease with time which is more pronounced with larger grid spacing. The surface boundary forcing is the dominant factor in generating atmospheric variability ...
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