planetary boundary layer
(redirected from Peplosphere)planetary boundary layer
[′plan·ə‚ter·ē ′bau̇n·drē ‚lā·ər]
(meteorology)
That layer of the atmosphere from the earth's surface to the geostrophic wind level, including, therefore, the surface boundary layer and the Ekman layer; above this layer lies the free atmosphere.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.