Sea surface temperatures on the continental shelf off the U.S. Northeast and Canada have reached their highest levels in 150 years, researchers say.
Scientists with the National Oceanographic and Atmospheric Administration said the record-high sea surface temperatures of 57.2 degrees F in 2012 are the latest in a trend of above average temperature recorded during the spring and summer seasons.
The readings are part of a pattern of elevated temperatures occurring in the Northwest Atlantic but not seen elsewhere in the ocean basin over the past century, researchers at NOAA's Northeast Fisheries Science Center said.
Sea temperatures off U.S. Northeast and Canada highest in 150 years
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