[cogitator]

"Accelerated sea level rise" implies there is current sea level rise that will accelerate. Can you point out some areas where there has been a rise in the sea level in the past 20 years?

Like everywhere? Current sea level rise is due mainly to thermal expansion of the oceans' waters.

Ocean Surface Topography from Space

Sea Level Change

Sea level in the Arctic

"A recent conference presentation at AGU (reported here) while confirming that global sea level is indeed rising (in line with other estimates), showed that Arctic sea levels may actually be falling. On the face of it these preliminary results are a little puzzling (though note that this isn't yet a properly peer reviewed paper, and so may not reflect what ends up in the journal), but it does reveal some of the complexities in analysing sea level in relatively small enclosed basins and so a brief overview of the different factors involved is probably useful."

[Phantom Lord]

Is that graph derived from information from the TOPEX/POSEIDON satellite in whole or in part?

The reason I ask is that NASA discovered that the alitmeters had a fatal flaw in the mathamatics of its data processing software that caused its readings to be off by as much as 500%.