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The Murky Science of Predicting Rising Sea Levels

The Most Revolutionary Act

Rising Sea Levels

DW (2019)

Film Review

This documentary focuses on the murky science of predicting sea level rise. As well as visiting cities already facing flooding and storm surges from rising sea levels, the filmmakers examine preparations several major coastal cities are making to cope with increased flooding.

According to filmmakers, there was no effort to measure sea levels prior to the 17th century. A tide gauge in Turing Germany which has been continually measuring sea levels since the late 1700s reveals they rose at an average of one millimeter per year until the 1960s. Since then average global sea levels have risen by three millimeters per year, a total of 180 millimeters.

Apparently sea levels don’t rise at equal rates in different regions (due to variance in ocean currents, prevailing winds and tectonic plate movements). Sea levels are rising by one centimeter (10 millimeters) per year in Sweden…

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