About: http://webisa.webdatacommons.org/218809902

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	They are not direct observations but are melded together from proxies such as ice cores, ocean sediments and tree rings.
http://www.w3.org/ns/prov#wasQuotedFrom	wattsupwiththat.com