via Times Live:
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Rising sea levels create a higher platform for tides and storm surges. Scientists compare the effect to slam dunks in basketball: Raising the gymnasium floor would increase the number of slam dunks per game.
The report’s projections build on recent studies – including one by Reuters published in July – that documented a dramatic increase in tidal flooding over the past half century. Many coastal communities are already struggling to cope with routine flooding that makes streets impassable and overwhelms storm-water systems.
Using a methodology similar to those of the recent studies, scientists projected the trends 15 to 30 years into the future at 52 sites around the country. The study used moderate sea-level rise projections from the National Climate Assessment, a U.S. government report based on input from some 300 scientists, engineers, industry officials and other specialists.
The Union’s study posits a sea rise of about 5 inches over the next 15 years and about 11 inches over 30 years.