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A 'dead zone' off the Gulf coast is larger than NOAA predicted. The massive area poses danger to marine life, and recovery could take decades. A 'dead zone' is growing in the Gulf of Mexico.
Since 1985, Rabalais has studied the Gulf of Mexico's dead zone off the coast of Louisiana, the largest hypoxic zone in the United States. Along with two other researchers, she linked hypoxic zones in the Gulf with Mississippi River estuaries in 1985 through ocean mapping oxygen levels.
Some assert that the dead zone threatens lucrative commercial and recreational fisheries in the Gulf of Mexico. "In 2009, the dockside value of commercial fisheries in the Gulf was $629 million. Nearly three million recreational fishers further contributed about $10 billion to the Gulf economy, taking 22 million fishing trips."
Location: Macondo Prospect (Mississippi Canyon Block 252), in the North-central Gulf of Mexico, United States (south of Louisiana): Coordinates: 1]: Date: 20 April – 19 September 2010 (4 months, 4 weeks and 2 days): Cause; Cause: Wellhead blowout: Casualties: 11 people killed 17 people injured: Operator: Transocean under contract for BP [2]: Spill characteristics; Volume: 4.9 million barrels ...
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Scientists prepare to collect near-bottom water aboard the R/V Pelican to verify oxygen measurements used to determine the size of the Gulf of Mexico hypoxic zone. (NOAA/LUMCON/LSU) A "dead zone ...
Firstly, it occurs in coastal zones where eutrophication has driven some quite rapid (in a few decades) declines in oxygen to very low levels. [2] This type of ocean deoxygenation is also called dead zones. Secondly, ocean deoxygenation occurs also in the open ocean. In that part of the ocean, there is nowadays an ongoing reduction in oxygen ...
Tropical weather stirred up the Gulf of Mexico, reducing this year’s dead zone off Louisiana’s coast to the third-smallest ever measured, the scientist who has measured it since 1985 said Tuesday.