About: http://webisa.webdatacommons.org/86525556

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	Petroleum and mineral deposits or ground-water reservoirs can also subtly affect the gravity field, as can a rise in sea level or changes in topography such as ice-sheet movement or volcanic eruptions.
http://www.w3.org/ns/prov#wasQuotedFrom	esa.int