The drought that is parching the Midwest is allowing the Gulf of Mexico to take a breath of fresh air.
This year, the "dead-zone," a patch of oxygen-starved water at the mouth of the Mississippi River, is the fourth smallest ever recorded by the National Oceanic and Atmospheric Administration (NOAA). The dead-zone is still larger than Delaware at 2,889 square miles (7482 square km).
"The smaller area was expected because of drought conditions and the fact that nutrient output into the Gulf this spring approached near the 80-year record low," said Nancy Rabalais, executive director of the Louisiana Universities Marine Consortium who led the survey cruise in a press release.
Dry conditions on land lead to a smaller dead-zone because less nutrient-rich river water is washed out to sea during a drought. The Mississippi and its tributaries pick up tons of eroded soil, fertilizers, animal and human wastes and other substances as it flows through the American heartland.
Read the rest of the article at Discovery News.
A tip of the hat to the Environmental News Network for alerting us to this article.
