对树木年轮物质的光谱分析表明，碳-14浓度在一年内急剧上升，这与发生在公元前5410年左右的极端太阳高能粒子事件相一致。
Research Spotlights
Research spotlights are plain-language summaries of recent articles published in AGU’s suite of 24 journals.
Posted inResearch Spotlights
Examining the Intricacies of Ozone Removal by Deciduous Forests
A new study looks into how air movement in the atmospheric boundary layer affects ozone removal by deciduous forests, which are a significant ozone sink.
Posted inResearch Spotlights
Roadside Ditches Are Effective at Nitrogen Removal
Researchers compared the nitrogen removal potential by microbes in ditches that drained forested, urban, and agricultural lands and discovered that roadside ditches are important areas for removing nutrients.
Posted inResearch Spotlights
Improving Weather Simulations Through Increased Generality
By adding support for spatially variable velocity fields and anisotropy, the CoSMoS simulation package can more accurately reproduce physical phenomena.
Posted inResearch Spotlights
Volcanic Tremor and Deformation at Kīlauea
Two new studies investigate activity at Hawaii’s Kīlauea leading up to and following the 2018 eruption to better understand the volcano’s plumbing and behavior.
Posted inResearch Spotlights
Simulating 195 Million Years of Global Climate in the Mesozoic
An ensemble of climate simulations identifies factors that drove long-term trends of a prehistoric greenhouse climate.
Posted inResearch Spotlights
Irtysh River Drove Arctic Sea Ice Expansion 3 Million Years Ago
The Siberian river’s creation caused a massive influx of fresh water into the Kara Sea and radically changed the Arctic Ocean and Earth’s climate.
Posted inResearch Spotlights
Scientists Uncover the Seasonality of COVID-19
Researchers identify the environmental variables driving the seasonality of the novel coronavirus.
