# Buoyancy subrange

From AMS Glossary

## buoyancy subrange

For a statically stable atmosphere, the portion of the turbulence kinetic energy spectrum at wavelengths longer than those in the inertial subrange, where buoyancy causes the spectral energy where

*S*to change with the -3 power of wavenumber*k*:*N*is the Brunt–Väisälä frequency.In conditions of strong static stability, turbulent motions are strongly suppressed in the vertical and have characteristics similar to gravity waves.