New research indicates that nutrient loads delivered to South American ecosystems by dust originating in Africa are far lower than suggested in previous studies.
everything atmospheric
Posted inAGU News
Galfi Receives 2019 Donald L. Turcotte Award
Vera Melinda Galfi received the 2019 Donald L. Turcotte Award at AGU’s Fall Meeting 2019, held 9–13 December in San Francisco, Calif. The award is given annually to a recent Ph.D. recipient for “outstanding dissertation research that contributes directly to nonlinear geophysics.”
Posted inEditors' Vox
Ice from Above: Toward a Better Understanding of Hailstorms
Globally relevant and locally devastating, hailstorms produce significant societal impacts; despite this, our understanding of hailstorms and our ability to predict them is still limited.
Posted inEditors' Highlights
A New Look at Global Lightning from the Space Station
The Lightning Imaging Sensor on the International Space Station provides an expanded view of global lightning that improves scientific understanding of the Earth as well as public safety.
Posted inEditors' Highlights
A New Dataset of Temperature and Precipitation Extremes
HadEX3 is an updated dataset of gridded temperature and precipitation extremes, that covers the period of 1901 to 2018 and has improved spatio-temporal coverage.
Posted inNews
Ancient “Pickled” Leaves Give a Glimpse of Global Greening
A unique fossil lake bed in New Zealand has revealed insights into global climate under elevated levels of carbon dioxide but is now off-limits to scientists.
Posted inEditors' Highlights
Streamer Corona Discharges in Thunderstorms Detected from Space
Concurrent detection from space and the ground of blue optical flashes from streamer corona discharges at altitudes between 8.5 and 14 kilometers and radio waves.
Posted inResearch Spotlights
Warming in the Antarctic Stratosphere Affects Tropical Weather
Rapid temperature spikes in the stratosphere above Antarctica can influence weather and spark cyclones in the Northern Hemisphere’s tropics.
Posted inEditors' Highlights
Lightning Discharge Type Linked to Terrestrial Gamma‐Ray Flashes
For the first time, the connection between energetic in cloud pulse and terrestrial gamma‐ray flashes is confirmed in the Gamma-Ray Observation of Winter Thunderclouds experiment in Japan.
Posted inEditors' Highlights
First Model of Meteoric Nickel in the Upper Atmosphere
A layer of nickel of cosmic origin, which exists between 80 and 110 km high in Earth’s atmosphere, has been modeled for the first time, including dynamics and complex neutral and ion chemistry.