December 21, 2018
Ocean circulation change suffocating Gulf of St. Lawrence
Estuaries are among the most nutrient-rich and biologically productive areas of the ocean, and the Gulf of St. Lawrence, where freshwater from …
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Circulation
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March 8, 2018
Disrupting the deep: Ocean warming reaches the abyss
Seventy-one percent of our planet is covered by ocean, and these basins contain 97 percent of Earth’s near-surface water. The ocean lies at the …
September 14, 2017
How the Arctic became salty
The Arctic Ocean hasn’t always been as salty as other oceans. In the Eocene, between 56 million and 34 million years ago, the water surrounding …
April 19, 2017
Ice (Re)Cap: May 2017
From Antarctica to the Arctic; from polar caps, permafrost and glaciers to ocean-rafted sea ice; and from burly bears to cold-loving microbes, …
January 13, 2017
A new — and more toxic — normal? Harmful algal blooms find new habitats in changing oceans
In May 2015, a seizure-wracked sea lion hauled itself ashore on a beach in southern Washington. Testing confirmed it was suffering from domoic …
January 8, 2016
Atmosphere, more than ocean, might drive Atlantic climate variation
Atmospheric, not oceanic, circulation may be the main driver of climate variations over the North Atlantic Ocean, potentially complicating future …
July 17, 2015
Southbound icebergs off the hook for ice-age cooling
During the Late Pleistocene, changes in North Atlantic Ocean circulation triggered abrupt changes in global climate: In some locations in the …
June 8, 2015
Hydrogen chloride on the rise in Northern Hemisphere skies
Levels of the atmospheric pollutant hydrogen chloride have increased substantially in the lower stratosphere over the Northern Hemisphere since …
July 18, 2014
Ocean waves explain which La Niña events will linger
Many La Niña events last just one season, but historical records reveal that nearly half linger for two years or more, a phenomenon scientists …
January 5, 2012
Voyage to the plastic vortex
Out in the middle of the northern Pacific Ocean, a giant floating mess of plastic debris is drifting and bobbing among the waves. Scientists call …