quasi-hydrostatic approximation

The use of the hydrostatic equation as the vertical equation of motion, thus implying that the vertical accelerations are small without constraining them to be zero. Also known as quasi-hydrostatic assumption.

Related terms:

• hydrostatic approximation
• quasi-hydrostatic assumption
• generalized hydrostatic equation
• hydrostatic assumption
• geostrophic approximation
• quasi-stationary front
• quasi-cratonic
• quasi-equilibrium
• hydrostatic pressure
• hydrostatic stability