Search Results for: Ocean

Researchers Predict Large 2009 Gulf of Mexico 'Dead Zone' Chesapeake Bay's Oxygen-starved Zone Likely to Shrink

University of Michigan aquatic ecologist Donald Scavia and his colleagues say this year's Gulf of Mexico “dead zone” could be one of the largest on record,…

Ancient Drought and Rapid Cooling Drastically Altered Climate

The events – one, a massive, long-lived drought believed to have dried large portions of Africa and Asia, and the other, a rapid cooling that accelerated the…

Rising Acidity Levels Could Trigger Shellfish Revenue Declines, Job Losses

Intensive burning of fossil fuels and deforestation over the last two centuries have increased CO2 levels in the atmosphere by almost 40 percent. The oceans…

When palm trees gave way to spruce trees

One long-standing climate puzzle relates to a sequence of events 33.5 million years ago in the Late Eocene and Early Oligocene. Profound changes were underway….

Sediment yields climate record for past half-million years

The record, trapped within the top 20 meters (65.6 feet) of a 400-meter (1,312-foot) sediment core drilled in 2005 in the North Atlantic Ocean by the…

Global sunscreen won't save corals

“There would be a slight reduction in this problem, because land plants would be expected to be able to grow more vigorously in a high CO2, but cool world,”…

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