News tagged with ocean sediment

Enough oxygen long before animals rose

Oxygen is crucial for the existence of animals on Earth. But, an increase in oxygen did not apparently lead to the rise of the first animals. New research shows that 1.4 billion years ago there was enough oxygen for animals ...

dateJan 04, 2016 in Earth Sciences
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Mapping land claimed by sea level rise

The New Jersey shoreline that sea birds wandered during the last ice age is about 90 miles east of today's beaches, tens of meters beneath the sea floor. As the ice melted, sea level gradually rose and flooded the coastal ...

dateAug 20, 2015 in Earth Sciences
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Oceanographers solve mystery of beach explosion

When an explosion beneath the sand at Salty Brine State Beach in Narragansett injured a visiting vacationer, state and local police and the bomb squad found no evidence of what may have caused the blast. So state officials ...

dateAug 13, 2015 in Earth Sciences
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Predicting the shape of river deltas

The Mississippi River delta is a rich ecosystem of barrier islands, estuaries, and wetlands that's home to a diverse mix of wildlife—as well as more than 2 million people. Over the past few decades, the shape of the delta ...

dateJul 22, 2015 in Earth Sciences
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