About: http://webisa.webdatacommons.org/41892360

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	As a result of surface friction, the average wind velocity at Earth???s surface must be zero unless that surface is itself moving, such as in rivers or ocean currents.
http://www.w3.org/ns/prov#wasQuotedFrom	britannica.com