PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • It probably does not matter anyway since area and extent are extremely subject to weather, particularly near the end of the melt season. 2007 is a poster child for the effect of wind and currents on area and extent.Death spiral is the correct phrase to describe the condition of the Arctic sea ice.
http://www.w3.org/ns/prov#wasQuotedFrom
  • wunderground.com