Study Finds Long Island in Middle of Sea Level 'Hotspot'

Farmingdale waterfront? A report finds that a coastal zone from North Carolina to Boston is prone to higher rates of sea level rising.

  Anew study places Long Island in the middle of a 600-mile coastal "hotspot" that researchers say is experiencing higher rates of sea level increases.

The report was published online Sunday in Nature Climate Change.

Studying tide data from 1950 through 2009, scientists with the United States Geological Survey found that despite a global average increase of 0.6 to 1 millimeter per year, sea level rates in a coastal zone stretching from Cape Hattaras, N.C. to just north of Boston increased 2 to 3.7 millimeters per year - three to four times the global average.

"Many people mistakenly think that the rate of sea level rise is the same everywhere as glaciers and ice caps melt, increasing the volume of ocean water, but other effects can be as large or larger than the so-called 'eustatic' rise," said USGS Director Marcia McNutt, in a statement. "As demonstrated in this study, regional oceanographic contributions must be taken into account in planning for what happens to coastal property." 

The scientists determined that if global temperatures continue to rise, sea level rise increases will continue as well.

"Ongoing accelerated sea level rise in the hotspot will make coastal cities and surrounding areas increasingly vulnerable to flooding by adding to the height that storm surge and breaking waves reach on the coast," said Dr. Asbury (Abby) Sallenger, a USGS oceanographer who led the study.

Are you concerned about rising sea levels. If so, what do you think should be done to prepare for them?


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