@prefix skos: <http://www.w3.org/2004/02/skos/core#> .

<https://gcmd.earthdata.nasa.gov/kms/concept/5fd5ccc2-5edb-4823-940d-03a290a5c5fc>
  skos:changeNote """2013-02-18 09:52:55.0 [tbs1979] Insert Concept 
add broader relation (AA INDEX [5fd5ccc2-5edb-4823-940d-03a290a5c5fc,82403] - GEOMAGNETIC INDICES [ae35f430-6534-49de-8b4c-edfc1e98870a,62733]); 
""", """2013-03-11 14:54:46.0 [tbs1979]  
insert Definition (id: null
text: A daily and half daily index of geomagnetic activity determined from the k indexes scaled at two nearly antipodal stations at invariant magnetic latitude 50 degrees (Hartland, England, and Canberra, Australia). The aa values are in units of 1 nT. The index is available back to 1868, and is provided by the Institut de Physique du Globe de Paris, France.
language code: en); 
""" ;
  skos:definition "A daily and half daily index of geomagnetic activity determined from the k indexes scaled at two nearly antipodal stations at invariant magnetic latitude 50 degrees (Hartland, England, and Canberra, Australia). The aa values are in units of 1 nT. The index is available back to 1868, and is provided by the Institut de Physique du Globe de Paris, France."@en ;
  skos:prefLabel "AA INDEX"@en ;
  skos:inScheme <https://gcmd.earthdata.nasa.gov/kms/concepts/concept_scheme/sciencekeywords> ;
  skos:broader <https://gcmd.earthdata.nasa.gov/kms/concept/ae35f430-6534-49de-8b4c-edfc1e98870a> ;
  a skos:Concept .

<https://gcmd.earthdata.nasa.gov/kms/concept/ae35f430-6534-49de-8b4c-edfc1e98870a>
  skos:prefLabel "GEOMAGNETIC INDICES"@en ;
  a skos:Concept ;
  skos:narrower <https://gcmd.earthdata.nasa.gov/kms/concept/5fd5ccc2-5edb-4823-940d-03a290a5c5fc> .