Cooling Down the Hysteria About Global Warming, page-13

Well done a citation.
However the paper is 20 years old latest data 1999. You will be interested in some more recent work (2015)from the same authors at this link
https://www.liverpool.ac.uk/climate/sea-level/ watch the videos based on the work of the authors.
A lot of good work being done in Liverpool University.
I think anyone wishing to explore this subject should look at studies involving ocean temperatures. The oceans are a wonderful means of storing and distributing heat and a key to this debate.