Atmospheric wave: Difference between revisions

An '''atmospheric wave''' is a periodic disturbance in the fields of [[atmospheric]] variables (like [[surface pressure]] or [[geopotential height]], [[temperature]], or [[wind velocity]]) which may either propagate (''traveling wave'') or not (''stationary wave''). Atmospheric waves range in [[spatial]] and [[temporal]] scale from large-scale planetary waves ([[Rossby wave]]s) to minute [[sound wave]]s. Atmospheric waves with periods which are [[harmonics]] of 1 [[solar day]] (e.g. 24 hours, 12 hours, 8 hours... etc) are known as [[atmospheric tidestide]]s.

These are longitudunal[[longitudinal wave|longitudinal or compressedcompression waves]]. theThe sound wave propagatepropagates in the atmosphere though a series of compressioncompressions and expansionexpansions parallel to the direction of propagation.