About: http://webisa.webdatacommons.org/342244369

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	If the flow motion is laminar, the speed is given by where ?? is the lava viscosity, and for turbulent motion the equivalent is where K is a friction factor with a value of ???0.01 [Wilson and Head, 1981].
http://www.w3.org/ns/prov#wasQuotedFrom	wiley.com