Definition of surface boundary layer in English:

surface boundary layer

Syllabification: sur·face bound·a·ry lay·er

noun

Meteorology
  • 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.
    More 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.

Get more from Oxford Dictionaries

Subscribe to remove adverts and access premium resources

Word of the day astrogation
Pronunciation: ˌastrə(ʊ)ˈgeɪʃ(ə)n
noun
(in science fiction) navigation in outer space