Gulf of Mexico ‘dead zone’ now the size of Connecticut, scientists say

August 6, 2014 2:29 AM

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Dead zones occur as a result of nutrient runoff from agricultural and other human activities in the watershed and are highly affected by river discharge.

A joint NOAA-EPA statement announced that scientists supported by the agencies have mapped the oxygen-poor dead zone in the Gulf of Mexico, measuring 5,052 square miles this summer. The scientists made the measurements during the 30th annual hypoxia survey cruise from July 27 to August 2.

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