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Climate change is making it harder for commercial fishers in New England to find steady work.
A new study from University of Delaware’s Kimberly Oremus, an associate professor in marine policy, shows that the commercial fishing in industry in New England lost 16 percent of its jobs between 1996 and 2017 as a result of climate variability.
Effect - Oremus - Employment - Numbers - Shifts
To measure the effect, Oremus tracked employment numbers against yearly shifts in the North Atlantic Oscillation, a climate index that’s based on the difference in air pressure at two different points in the Atlantic.
Specifically, the NAO measures the pressure in the Azores archipelago around 900 miles west of Portugal, and at a point near Iceland.
NAO - Difference - Points - Air - Azores
A positive NAO occurs when the difference between the two points is the greatest, meaning warmer air from the Azores flows into colder low pressure regions in the North.
A negative NAO occurs when the difference between the two points is smallest meaning less air movement overall.
Oremus - Decline - Revenue - New - England
Oremus observed a one-percent decline in commercial revenue in New England for every one-unit increase in the NAO, according to a...
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