A new method that adds synthetic iron minerals to soils sheds light on hard-to-observe soil and sediment processes and may have a host of other applications in the Earth sciences and beyond.
sediments
A First Look at How Sand Behaves Inside a Rippled Bed
A detailed numerical model shows how sediment particles experience wave-driven shear stress inside and above a sea bed with sand ripples.
Arctic Ice Shelf Theory Challenged by Ancient Algae
Chemical signatures of marine organisms reveal that seasonal sea ice, not a massive ice shelf, persisted in the southern Arctic Ocean for 750,000 years.
Coral Cores Pinpoint Onset of Industrial Deforestation
Trace elements in coral reefs provide a timeline of how Borneo’s rainforests have been altered by industry.
地震如何改变湖泊微生物群落
提示:地震发生后,湖泊的地质、化学和生物成分会重新配置。一项新的研究深入探讨了地震变化对喜马拉雅地区措普湖的影响。
How Earthquakes Shake Up Microbial Lake Communities
After an earthquake, a lake’s geological, chemical, and biological components get reconfigured. A new study dives into the effects of seismic shifts on the Himalayas’ Lake Cuopu.
Biomass and Biodiversity Were Coupled in Earth’s Past
Measuring shells and skeletons encased in thousands of limestone samples has revealed that the sheer amount of living stuff in Earth’s oceans changed alongside the diversity of organisms.
Pollution from Wildfires Can Contaminate Our Water for up to 8 Years, Study Finds
An analysis of 500 watersheds found levels of organic carbon, phosphorus, and other pollutants up to 103 times higher after a wildfire.
Coherent, Not Chaotic, Migration in the Brahmaputra-Jamuna River
The channel threads in braided river systems may be more predictable than previously thought.