Les sols en érosion en raison du développement économique ont transporté des sédiments en mer de Chine méridionale… et jusque dans le squelette corallien.
Research Spotlights
Research spotlights are plain-language summaries of recent articles published in AGU’s suite of 24 journals.
Posted inResearch Spotlights
Certaines plantes laissent une empreinte digitale chimique sur un gaz qui appauvrit la couche d’ozone
Une nouvelle étude, la première dans son genre, suggère qu’il serait possible de recourir à une analyse isotopique pour localiser les sources et les puits de chlorométhane dans l’atmosphère.
Posted inResearch Spotlights
Beavers Are Remaking Microbial Ecosystems in the Arctic
As beavers expand their range northward into the Arctic tundra, changes in bacterial, archaeal, and fungal communities appear to be following.
Posted inResearch Spotlights
Current Agriculture Adds More Phosphorus to Streams Than to Lakes
Improved agricultural nutrient management could improve stream water quality by reducing phosphorus levels, but rising temperatures and rainfall due to climate change might offset improvements.
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Biogeochemical Insights from a Major Amazonian River
Underrepresented in global carbon budgets, tropical rivers like Brazil’s Tocantins are in need of study to establish their baseline characteristics in the face of increasing global change.
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Visualizing the Deep Insides of Planets and Moons
A novel method uses gravity data to determine where density anomalies lie inside planetary bodies.
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Mud Could Have Made Meandering Rivers Long Before Plants Arrived
New evidence from 1.2-billion-year-old rocks suggests that single, sinuous channels could have formed in muddy floodplain sediments without the stabilizing help of vegetation.
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Thin Skin Helps Regulate Ocean Carbon Uptake
Cooler and saltier than even the water just below it, the ocean skin plays a critical role in ocean-atmosphere gas exchange.
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Family Trees Clarify Relationships Among Climate Models
A new genealogy based on similarities in the computer codes of different climate models could improve studies that combine projections from multiple models.
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Decrypting Lunar Craters Quickly and Easily
Machine learning can reveal the stories written in the marks on the Moon.