Entry from US English dictionary
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.
- 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.
For editors and proofreaders
Syllabification: sur·face bound·a·ry lay·er
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