rdfs:comment"illustation is available in figure 4 of https://publications.jrc.ec.europa.eu/repository/bitstream/JRC102552/lbna28255enn.pdf"(xsd:string)
skos:definition"The integer denoting the 'tier1' region defined in the task force on hemispheric transport of air pollution (TFHTAP) coordinated model studies (see controlled vocabulary: Station HTAP Region)"(xsd:string)