A survey of high-speed electron flow observed by NASA satellites in the Earth’s magnetotail is presented and related to the process of magnetic field line reconnection and particle acceleration.
AGU Advances
Investigating Rainfall-Rich Periods in North America
A record of soil moisture that extends over one thousand years allows for the investigation of occurrence and causes of modern and historical rainfall-rich periods.
El Antropoceno merece reconocimiento oficial, sostienen algunos expertos
La Unión Internacional de Ciencias Geológicas decidió no designar una nueva época geológica, pero el asunto aún no se ha resuelto.
Better Monitoring is Needed for Climate Change in the Upper Atmosphere
A new commentary calls for a better understanding of the impacts of climate change and anthropogenic emissions on long-term trends of the middle and upper atmosphere through enhanced observations and monitoring capabilities.
Anthropocene Deserves Official Recognition, Some Experts Maintain
The International Union of Geological Sciences chose not to designate a new geologic epoch, but the matter is not yet settled.
Hawai’i’s Depleted Peridotite Delivers More Magma
The source for the isotopically-enriched Hawaiian magmas contains peridotites that experienced near-surface melting prior incorporation in the plume.
What Is Causing the Missouri River Basin’s Elevated Streamflow?
Regional climate variability plays a big role, but reduced forest cover and a rise in atmospheric carbon dioxide are also factors.
How (Slow) Earthquakes Get Going
Non-volcanic tremor ramp up precedes slow slip in Cascadia by about a day, indicating that brittle-creeping process interactions control nucleation.
Ionospheric Changes Following the Geomagnetic Storm of May 2024
A new study finds that unique ionospheric changes occurred in the upper atmosphere in response to the May 2024 geomagnetic superstorm.