Oceanography

How is nitrogen removed from the ocean? Some new findings may provide answers. The debate centers on how nitrogen, one of the most important food sources for ocean life and a controller of…

Speculation goes that part of the problem for the RMS Titanic, which set out on its maiden voyage 102 years ago today, was bad luck; an exceptional number of icebergs. Not really, according to a new…

Some of the carbon, like the black soot and charcoal residue of fires, that finds its way into Earth's oceans stays there for thousands for years, and some of the black carbon breaks away and…

The deepest areas of the Baltic Sea have always had a low oxygen content. The inflow of fresh water is actually limited by low thresholds at the entrance to the Baltic Sea. At the same time, there…

Six glaciers in West Antarctica are moving faster than they did 40 years ago. The amount of ice draining collectively from those half-dozen glaciers increased by 77 percent from 1973 to 2013, causing…

It is said that nothing dies of old age in the ocean, that everything gets eaten and all that remains of anything is waste. But that waste is pure gold to oceanographer David Siegel, director of the…

Research using satellite observations and ice thickness measurements gathered by NASA's Operation IceBridge is giving new insight into one of the processes causing Greenland's ice sheet to lose mass…

Temperature has been driving the fluctuating size of Peru's Quelccaya Ice Cap, not snowfall, according to a new analysis.  The Quelccaya Ice Cap is the largest ice mass in the tropics and sits…

Deep waters formed in the northern North Atlantic fill approximately half of the deep ocean globally. As you might gather, that impacts the circum-Atlantic climate and regional sea levels and soaks…

Twice in recent history, the periodic El Niño event has caused sea level drops abruptly in the tropical western Pacific. The tides remain below normal for up to a year in the South Pacific,…