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This week from AGU: The Blob and El Niño, Jovian moon dust and 4 research spotlights

American Geophysical Union


'The Blob' overshadows El Niño
Ocean models and near real-time data from autonomous gliders indicate that the "The Blob" and El Niño together strongly depressed productivity off the West Coast, with The Blob driving most of the impact, according to new research published in Geophysical Research Letters.

Odd behavior of Jovian moon dust could inform future space missions, search for life
The movements of dust around Jupiter's four largest moons could help scientists searching for life in our solar system, finds a new study published in Journal of Geophysical Research: Planets.

Electric forces in desert air create mighty dust storms, study finds
Electric fields in dust storms have been discovered lifting 10 times more dust into the air than winds alone, according to new experiments conducted in the Sahara Desert. The discovery has big implications for global climate studies, as well as for understanding dust storms on Mars, according to a new study published in Geophysical Research Letters.

Citizen Scientists Train a Thousand Eyes on the North Pole
During expedition cruises, tourists participate in collecting scientific data and contribute to ongoing observations of sea ice conditions in the Arctic.

Research Spotlights

Arctic Survey Hunts for Missing Nitrogen and Phosphorus
A new survey of ocean waters flowing in and out of the Arctic may shed light on how dissolved organic nitrogen and phosphorus contribute to nutrient cycling in the Arctic, according to a new study in Geophysical Research Letters.

How Do Tropical Forests Slow Knickpoints in Rivers?
Using Puerto Rico's Luquillo Mountains as a case study, scientists use the region's geological history to study how knickpoints--areas where there's a sharp change in the river's slope--move over time. The results are detailed in a new study in Journal of Geophysical Research: Earth Surface.

What Causes Heavy Rainfall?
Scientists investigate atmospheric conditions that correlate to heavy rainfall in the midlatitudes in a new study in Journal of Geophysical Research: Atmospheres.

Novel Technique Finds New Features Under United States
A new high-fidelity tomography harnesses USArray data to expose a wealth of noteworthy crustal and upper mantle structures, including previously unknown anomalies beneath the Appalachians, according to a new study in Journal of Geophysical Research: Solid Earth.


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