Nuevos estudios muestran que los niveles de acidez podrían llegar a duplicarse para el 2100, poniendo en peligro los ecosistemas frágiles del gélido Océano Austral.
Antarctica
Posted inEditors' Highlights
Speed of Ice Shelf Rifting Controlled by Ocean-Ice Interactions
Scientists report the fastest rate of rift extension yet observed for an Antarctic floating ice shelf and explain why it is far slower than rates expected for brittle ice deformation.
Posted inNews
El Niño May Have Kicked Off Thwaites Glacier Retreat
Antarctica’s “Doomsday Glacier” started losing mass midcentury, around the same time as its neighboring glacier.
Posted inNews
Antarctic Ice Cores Capture Heavy Metal Pollution—And History
An ice core record stretching back more than 2 millennia hints at the mining and metallurgy that waxed and waned with events such as wars and epidemics.
Posted inScience Updates
Monitoring Polar Ice Change in the Twilight Zone
Landsat’s new extended data collection program is mapping Arctic and Antarctic regions year-round, even in polar twilight.
Posted inNews
Antarctica’s Ocean Acidity Set to Rise Rapidly by Century’s End
New research shows acidity levels could as much as double by 2100, imperiling fragile ecosystems in the frigid Southern Ocean.
Posted inEditors' Highlights
Solar Eclipses May Initiate Disturbances in Geospace
The statistical evidence from 21 years of data suggests that a solar eclipse may trigger a geomagnetic substorm, which is a disturbance in the Earth’s magnetosphere and ionosphere.
Posted inEditors' Highlights
Deep Learning Tackles Deep Uncertainty
A new method based on artificial intelligence could help accelerate projections of polar ice melt and future sea level rise.
Posted inEditors' Highlights
Overturning Ocean Water by Turbulence
A high-resolution regional model of the Southern Ocean reveals how topographically induced mixing in the abyss is important in creating the water masses that can upwell back up to the surface.
Posted inResearch Spotlights
Seawater Dynamics in an Underexplored Antarctic Fjord
Wind is the major driver of salinity changes within the narrow, glacier-fed cove.