Sea level elevation and atmospheric carbon dioxide concentration data for 220 years

Rising sea levels by 2100 and beyond are expected to cause significant and
widespread economic chaos and more relocations as populations attempt to
avoid increased coastal flooding and storm risks. The data set assembled
is from publicly available sources; the data set contains sea level
elevation and atmospheric carbon dioxide concentrations that are used to
compute a ratio mm ppm-1 (SEACO) for the last 220 years at 14 tide gage
stations and for the global average. The data were used to predict sea
level rise (SLR) for the high-end emissions IPCC scenario (RCP8.5) in 2050
and 2100 (atmospheric CO2 equals 550 and 1000 ppm, respectively), assuming
that the SEACO index continues to rise at the same rate as during the last
120 years. If current rates continue, then the 2020 average sea level
elevation will be considerably below the sea level predicted under the
IPCC RCP8.5 high-emissions scenario. SEACO can be an independent metric
useful to update models of future SLR.