Share this entry

surface boundary layer Syllabification: sur·face bound·a·ry lay·er

Definition of surface boundary layer in English:


The lowest layer of the earth’s atmosphere extending to about one kilometer. Winds within it are affected by friction with the earth’s surface.
Example sentences
  • There is a relationship between physical properties and nutrients below the surface boundary layer.
  • Instead, it must be calculated from data collected in wind tunnels or measured in the surface boundary layer at sea.
  • The geometric scale of the simulated surface boundary layers was estimated as 1/250 according to roughness length.

Share this entry


What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.

Get more from Oxford Dictionaries

Subscribe to remove ads and access premium resources

Word of the day exemplum
Pronunciation: iɡˈzempləm
an example or model...