A global analysis of sea levels over the past 2,000 years has found a rapid rate of increase in line with the Industrial Revolution.
, but it is one of the first to compare individual sites in certain regions simultaneously against a global signal.
According to a timeline of published instrumental and proxy data – things like foraminifera, diatoms, archeological evidence, and sediment geochemistry – throughout the North Atlantic, some parts of this ocean showed signs of significant sea level rise earlier than others. In the mid-Atlantic region, for instance, sea levels began rising in the mid- to late 19th century. But according to data from the Atlantic coasts of Canada and Europe, the rate of sea level rise doesn't stand out until the mid-20th century.
Previous global estimates have also found a significant sea-level acceleration beginning in the 19th century. And the reveals a sustained increase between 1820 and 1860. But the new research is worrisome because it finds unprecedented sea level rise from region to region, right across the Atlantic., and we need to know what is headed for the world's coastlines, so we can work to mitigate the effects as much as possible.
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