equivalent barotropic model

equivalent barotropic model

[i′kwiv·ə·lənt bar·ə′träp·ik ′mäd·əl] (meteorology) A model atmosphere characterized by frictionless and adiabatic flow and by hydrostatic quasigeostrophic equilibrium, and in which the vertical shear of the horizontal wind is assumed to be proportional to the horizontal wind itself.