About: http://webisa.webdatacommons.org/286029610

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	Permafrost is a frozen ground which is on top of the sediments and they serve as a cap preventing or capturing the methane escaping from the seabed.
http://www.w3.org/ns/prov#wasQuotedFrom	loe.org