@prefix dct: . @prefix ns1: . @prefix ns2: . @prefix ns3: . @prefix rdfs: . @prefix skos: . a skos:Concept ; dct:created "2019-01-14" ; dct:modified "2019-01-14" ; ns1:hasProfile ; ns3:status ; rdfs:seeAlso ; skos:definition "The Angstrom exponent appears in the formula relating aerosol optical thickness to the wavelength of incident radiation: T(lambda) = T(lambda0) * [lambda/lambda0] ** (-1 * alpha) where alpha is the Angstrom exponent"@en ; skos:exactMatch ; skos:prefLabel "angstrom exponent of ambient aerosol in air"@en ; ns2:hadPrimarySource .