SWEET Ontology
type: Ontology
version info: 2.3
imports: phenFluidInstability.owl
imports: relaSpace.owl
imports: relaChemical.owl
imports: rela.owl
imports: phenAtmo.owl
imports: matrAerosol.owl
imports: relaPhysical.owl
imports: realm.owl
imports: propTemperatureGradient.owl

JungeAerosolLayer
type: Class
subclass of: AtmosphereLayer
subclass of: Restriction
  on property: hasSubstance
  all values from: Aerosol
comment: A maximum in large-particle concentrations observed in the lower stratosphere between 15 and 25 km.

Mesopause
type: Class
subclass of: PlanetaryBoundary
comment: The top of the mesosphere and the base of the thermosphere. The mesopause is usually located at heights of 85?95 km, and is the site of the coldest temperatures in the atmosphere. Temperatures as low as 100 K (- 173?C) have been measured at the mesopause by rockets. See atmospheric shell.