NASA Has Quadrupled 1955-1980 Sea Level Rise Since 1982

Real Science

Cross posted from my new blog : NASA Has Quadrupled 1955-1980 Sea Level Rise Since 1982 | Real Science

This is the current NASA tide gauge data, which shows 17 cm of sea level rise from 1870 to 1980, or 1.8 mm/year

ScreenHunter_2145 Jun. 01 08.01

Climate Change: Vital Signs of the Planet: Sea Level

Here is the 1982 version, which shows about half that much rise.

ScreenHunter_2132 May. 31 12.25 pubs.giss.nasa.gov/docs/1982/1982_Gornitz_etal_1.pdf

The next image overlays the two at the same scale, normalized to 1880, showing how the data has been altered since 1982.

AnimationImage145

And here is an animation with markers.

NASASeaLevel1982vs2015

This is bad, but it is much worse than it seems. The data tampering has accelerated as time went on. NASA has quadrupled 1955-1980 sea level rise  since their 1982 version.

NASASeaLevel1982vs2015From 1955

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