Police are also awaiting identification of further remains found on the banks of the River Dee in Chester on Friday.
The 37-year-old has now been missing from her home in Flintshire for over three weeks.
Catherine Gowing from Flintshire has been missing for three weeks. Human remains have now been found at a second location.
Passing sentence, Mr Justice Griffith Williams told Sharp: "This is a horrific, cold hearted murder, carried out to gratify your perverted sexual desires."
Sharp, dressed in grey jogging bottoms and a grey jumper, made no reaction but the victim's sister, Emma, sat in the public gallery just yards from the dock, did not take her eyes off the defendant throughout the 50 minute hearing.
A post mortem carried out on human remains found on the banks of the River Dee in Higher Ferry, Chester last Friday have been identified as being Catherine Gowing’s.
This is the second discovery of human remains in the area. A week ago remains were also discovered in Sealand and were confirmed as being those of the missing woman.
Catherine Gowing disappeared on Friday 12th October when she was sighted on CCTV leaving Asda Supermarket in Queensferry. A 46-year-old Gwynedd man, Clive Sharp has been charged with her murder and is due to appear in court again next month
Police in North Wales searching for missing vet Catherine Gowing have been alerted to the discovery of human remains in Chester.
An off-duty Cheshire Police officer found the remains this afternoon while walking the banks of the River Dee, at Ferry Lane, in the Higher Ferry area of the town.
North Wales Police say a post mortem and forensic examination will take place to determine identification.
On Wednesday, remains were found several miles away at Sealand in Flintshire.
37-year-old Catherine Gowing, who lives in New Brighton in Flintshire, has not been seen for three weeks.
Police will continue searching for missing vet Catherine Gowing, after human remains were found in a shallow pool in Flintshire.
The 37-year-old was last seen three weeks ago.
The remains were found yesterday in a shallow pool in Sealand, in an area known locally as the "Lum".
Police searching for the missing vet Catherine Gowing say they have found human remains. Officers from the North Wales Police Search Teams and the Regional Underwater Search Team say they made the discovery in Sealand, Flintshire.
– Senior Investigating Officer DCI Mark Pierce
Following information received by members of the public, recent searches have focused on fields in Manor Road, Sealand. Yesterday search team officers discovered human remains in a shallow pool within the field known locally as the “Lum”.
At this time those remains have yet to be formally identified as this will require medical as well as forensic examination. A post mortem is planned for later today.
Catherine Gowing’s family have been informed of this distressing development and clearly our thoughts are with them at this very difficult time.
Catherine Gowing has not been seen since approximately 8.40pm on Friday 12th October 2012 when she was sighted on CCTV leaving Asda Supermarket in Queensferry. Since that time 46 year old Clive Sharp has been charged with her murder.
Police searching for missing vet Catherine Gowing say tricky conditions are making their work very difficult.
Search efforts are focusing on a disused quarry at Alltami, in Flintshire, where her burnt-out car was found.
The 37-year-old was last seen leaving a supermarket in Queensferry on Friday the 12th of October.