About: http://webisa.webdatacommons.org/329142458

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	Furthermore they are usually produced lower in altitude, and as you have shown, there is a level where this aerodynamic contrail can disappear and be replaced with an exhaust contrail.
http://www.w3.org/ns/prov#wasQuotedFrom	contrailscience.com