About: http://webisa.webdatacommons.org/248489985

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	It is an ephemeral feature, not just of polar regions but also of seas such as the Baltic, Caspian and Sea of Okhotsk.
http://www.w3.org/ns/prov#wasQuotedFrom	refbase.net