Nutrient-rich diapirs have a complex relationship with soil microbes and play an important role in carbon and nitrogen nutrient cycling, making them crucial for understanding feedbacks in the Arctic.
Research Spotlights
Research spotlights are plain-language summaries of recent articles published in AGU’s suite of 24 journals.
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Florida Coastlines Respond to Sea Level Rise
For more than a century, carbon burial rates have been increasing on some southern Florida coasts. Scientists now verify this trend and propose an explanation.
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Microbial Mechanisms Change with the Seasons
Microbes living in the sand on a barrier island alter the way they break down organic matter as their environment changes throughout the year, which has implications for the surrounding water column.
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How Mars’s Magnetic Field Let Its Atmosphere Slip Away
A planet’s magnetic field usually protects its atmosphere from being blown away by its star. But new research suggests Mars’s weak magnetic field may have helped its atmosphere escape.
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New Models Give Global Picture of Mercury Content in Oceans
Concentrations of methylated mercury in high latitudes show the importance of sunlight and biological activity for cycling the metal.
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Snowpack Data Sets Put to the Test
A new study compares the accuracy of three observation-based methods of calculating snow water equivalent, a key component in water management.
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Space-Based Data Expand Understanding of Crustal Deformation
Researchers used the largest GPS data set yet to examine deformation of the crust across continental China and its implications for tectonic activity.
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Review of Go-To Iron Analysis Method Reveals Its Pros and Cons
Researchers validated some steps in the standard sequential chemical technique used to extract different forms of iron from rock samples but found inconsistencies in other steps.
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Why Is Climate More Sensitive in the Latest Earth System Models?
Compared with previous generations, current Earth system models predict that Earth’s climate is more sensitive to carbon dioxide. Where does the increased sensitivity come from?
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Mapping Nutrient Inputs in the Great Lakes Basin
A new tool links nitrogen and phosphorus applications to land use classifications to better understand where and how much of the nutrients enter watersheds in the U.S. Great Lakes Basin.