About: http://webisa.webdatacommons.org/329266441

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	Such currents nearly always flow parallel to the beach and are mainly due to the tide, that is, they fluctuate in speed and often reverse direction every 6 or 12 hours.[153]
http://www.w3.org/ns/prov#wasQuotedFrom	escape-maps.com