先前对最近发现的空间天气事件的研究主要集中在北半球。新的研究表明，每年有数十次飓风袭击南半球。
Rebecca Dzombak
Posted inResearch Spotlights
Space Hurricanes Swirl in the Southern Hemisphere, Mostly in Summer
Previous studies of the recently discovered space weather feature focused on the Northern Hemisphere. Dozens hit the Southern Hemisphere each year, new research shows.
Posted inResearch Spotlights
Anzali Wetland, Iran’s “Ecological Gem,” May Dry Up by 2060
More sustainable watershed management and agriculture are needed to avoid a desiccated fate.
Posted inResearch Spotlights
Humans Have Boosted Atmospheric Mercury Concentrations Sevenfold
A new baseline of volcanic contributions to the global mercury cycle reveals how drastically human activities have increased the element’s concentration in the atmosphere.
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La chimie du corail reflète l’expansion économique d’Asie du Sud-Est
Les sols en érosion en raison du développement économique ont transporté des sédiments en mer de Chine méridionale… et jusque dans le squelette corallien.
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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.
Posted inResearch Spotlights
La química de los corales refleja la expansión económica del sudeste asiático
La erosión del suelo derivada del desarrollo económico mueve sedimentos hacia el mar del sur de China y también hacia los esqueletos de los corales.
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Short-Lived Solutions for Tall Trees in Chile’s Megadrought
Some southern beeches in the Andes have plumbed deeper for moisture as the surface has dried up. But doing so may deplete resources and undermine the trees’ future health.