id: ENVO:01000544
name: boundary layer
namespace: ENVO
def: "A boundary layer is a layer of fluid in the immediate vicinity of a bounding surface where the effects of viscosity are significant enough to distort the surrounding non-viscous flow." [https://en.wikipedia.org/wiki/Boundary_layer]
synonym: "boundary layer" RELATED [http://www.eionet.europa.eu/gemet/concept/976]
is_a: ENVO:01000281 ! layer
text def: I realize fluid here encompasses gases, might be worth making this explicit.
axioms: should we axiomatize using ENVO:00010504 ! surface layer
(aside: should never have a RELATED syn that is the same as the label for the same class)
id: ENVO:01000323
name: atmospheric boundary layer
namespace: ENVO
def: "The atmospheric boundary layer is the lowest layer of an atmosphere which is strongly influenced by its contact with a planetary surface with strong vertical mixing and in which physical quantities such as flow velocity, temperature, and moisture display rapid fluctuations (turbulence).nnn" []
subset: envoPolar
synonym: "planetary boundary layer" EXACT []
is_a: ENVO:01000544 ! boundary layer
relationship: bounding_layer_of ENVO:01000267 ! atmosphere
(aside: the nnn looks like an issues introduced by newlines at the end of the def)
additional axioms not translated to obo:
SubClassOf
'boundary layer'
and ('part of' some atmosphere)
and ('adjacent to' some 'planetary surface')
@pbuttigieg how would you feel about translating this to an equivalence axiom?
single is-a child is a bad smell:
the def here is a bit odd:
text def: I realize fluid here encompasses gases, might be worth making this explicit.
axioms: should we axiomatize using ENVO:00010504 ! surface layer
(aside: should never have a RELATED syn that is the same as the label for the same class)
(aside: the
nnn
looks like an issues introduced by newlines at the end of the def)additional axioms not translated to obo:
@pbuttigieg how would you feel about translating this to an equivalence axiom?