Imperial College. Computer Model. Ummmmmm.
Yes based on a computer model. These researchers want to keep being paid by the UK governments so they start playing fast and loose. And have a good giggle when they get their next Gov't grant.
Same applies to a lot of Global Warming research. The researcher that saw global warming evidenced in ancient tree rings was using a crappy ol rickety program he put together. This was Keith Briffa at the East Anglia University Climate Research Unit. He was as bad a Michael Mann