PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • We measure additional variables at sites studied more intensively from the ground, including water level, air and water temperature, precipitation, water quality, the presence of pathogens, and vegetation structure to varying extents.
http://www.w3.org/ns/prov#wasQuotedFrom
  • usgs.gov