PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Both platforms make use of cavity ring-down spectroscopy for in situ measurement of carbon dioxide and methane as well as flask packages for taking intermittent air samples that are analyzed for ~55 trace gases and isotopes including CO2, CH4, CO, and 14CO2, which is used as a proxy for fossil fuel CO2.
http://www.w3.org/ns/prov#wasQuotedFrom
  • purdue.edu