NASA has doubled 1880 to 1980 sea level rise since Hansen 1983. In 1983, NASA showed very little sea level rise after 1950. Now they show rapid sea level rise from 1950 to 1980.
1983: 1983_Hansen_etal_2.pdf 2016 :Sea Level
This fraud should not surprise anyone, because they have also doubled global warming via data tampering during that same time period.