Many people need a visual cue to recognize that SLR slowed below the 20th - century rate about 7 millennia ago and has been comparatively negligible since.
But this was during a time of comparativelyslow global temperature increase at the rate of about 0.05 C per Century — not the current rate in the range of 1.5 to 2 C per Century, which is 30 to 40 times faster.