Data from a long-distance research cruise provide new insights into carbon cycling in the eastern Pacific and Southern Oceans.
Water masses
Posted inResearch Spotlights
Larger Role for Shallow Intermediate Waters in Ocean Circulation
Water masses formed off southeastern Greenland may contribute more than previously thought to the variability of the Atlantic Meridional Overturning Circulation, which strongly influences global climate.
Posted inEditors' Highlights
New Definition of Potential Spicity by the Least Square Method
A thermodynamic function of the potential spicity is defined and it is orthogonal to the potential density in the least square sense.
Posted inEditors' Vox
Potential Spicity: From Abstract Theory to Practical Application
A method for estimating potential spicity, a thermodynamic variable in oceanography, provides a new way to describe contrasts in watermass properties.
Posted inEditors' Highlights
Unraveling Hemispheric Ocean Nitrate Supply Pathways
Subsurface measurements of nitrogen and oxygen isotope ratios in nitrate reveal a predominantly southern hemisphere supply of nitrate to the equatorial Pacific.
Posted inEditors' Highlights
Plotting the Pliocene Polar Front
Understanding changing conditions in the south polar oceans during the warm late Pliocene period may help predict the impact of contemporary warming.
Posted inResearch Spotlights
Big Storms Pump Mediterranean Water Far into the Black Sea
For the first time, scientists provide a sea-wide view of what happens to Mediterranean waters that flow into the Black Sea through the Bosporus Strait.
Posted inResearch Spotlights
Deep Ocean Layers Continue to Heat Up
Researchers look at more than 3 decades of temperature trends in the deep ocean to understand the layers' energy budgets.
Posted inResearch Spotlights
Reconstructing the Ocean's Murky Past
Scientists test whether sparse, indirect data can reveal ancient ocean chemistry and circulation patterns.
Posted inResearch Spotlights
The North Atlantic Ocean's Missing Heat Is Found in Its Depths
In the 2000s, the North Atlantic stopped absorbing as much atmospheric warmth. However, the ocean lost only a little heat—the rest was held deeper below the surface by altered circulation patterns.