Sea-level rise ‘accelerating’ along U.S. coasts, report warns

Doyle Rice, USA Today
Feb 24, 2020

The rate of sea level rise along much of the U.S. coastline continues to accelerate, according to a new report.

The report’s key message “is a clear trend toward acceleration in rates of sea-level rise at 25 of our 32 tide-gauge stations,” said Virginia Institute of Marine Science emeritus professor John Boon in a statement. “Acceleration can be a game changer in terms of impacts and planning, so we really need to pay heed to these patterns.”

Boon and other researchers at William & Mary’s Virginia Institute of Marine Science released the report Monday.

Sea-level rise acceleration was highest along the Gulf Coast, where Grand Island, Louisiana, saw a nearly 8 millimeter yearly increase, which is double the global average, according to the report. Galveston and Rockport in Texas also had significant increases.

The report includes 51 years of water-level observations, from January 1969 through December 2019.


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