barotropic model

barotropic model

[‚bar·ə′träp·ik ′mäd·əl]
(meteorology)
Any of a number of model atmospheres in which some of the following conditions exist throughout the motion: coincidence of pressure and temperature surfaces, absence of vertical wind shear, absence of vertical motions, absence of horizontal velocity divergence, and conservation of the vertical component of absolute vorticity.
References in periodicals archive ?
Using an idealized nonlinear and nondivergent barotropic model, the research team have shown that these S-shaped features are the manifestations of barotropic instability.