A comparative study of urban, semi-urban, and rural sites reveals that the species of atmospheric iron varies depending on location.
oxygen
Posted inResearch Spotlights
Deep-Ocean Oxygen May Increase with Climate Change
A millennial-scale ocean simulation indicates that oxygen gains in the deep ocean may offset oxygen losses in the upper water layer under a protracted climate change scenario.
Posted inEditors' Highlights
Climate Warming Improves Oxygen Mixing in a High-Altitude Lake
Long term weather and lake data from a high elevation lake in the Alps demonstrate that climate warming may actually improve the ability of high-altitude deep lakes to mix their waters.
Posted inNews
Using Garnets to Explore Arc Magma Oxidation
Samples collected from Greece help researchers piece together a scientific puzzle.
Posted inResearch Spotlights
Curiosity Rover Reveals Oxygen Mystery in Martian Atmosphere
An air-sampling study has captured long-term trends in the concentrations of five key atmospheric gases for the first time.
Posted inNews
The Jail That Keeps Oxygen in the Air
Oxygen shouldn’t be in the air we breathe. But it is, and the reason why is almost criminal.
Posted inNews
Gulf Dead Zone Looms Large in 2019
A new forecast predicts widespread hypoxia after a wet Midwest spring.
Posted inEditors' Highlights
Baltic Bacterial Blooms Over the Millennia
Eutrophication not only is a present-day anthropogenic phenomenon in the southern Baltic but also occurred over the past few millennia, with cyanobacterial blooms during times of climate warming.
Posted inNews
How Did Life Learn to Breathe?
Scientists unravel the conditions under which life evolved to breathe oxygen—and the findings have some stellar implications.
Posted inNews
Just How Anomalous Is the Vast Baltic Sea Dead Zone?
Newly drilled cores from the Baltic Sea reveal 1,500 years of deoxygenation history. The record sheds light on the dire state of the Baltic Sea today.