Search Results for: antarctica
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1,400 results
1,400 results for: antarctica
- Earth
First wave
The presidents of two island nations draft escape plans, anticipating sea level rise.
- Earth
Climate fix could deplete polar ozone
Scientists seeking to cool Earth’s climate by injecting sulfuric acid droplets high in the atmosphere might trim rising temperatures but could also destroy much of the ozone in polar regions, a new study suggests.
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- Astronomy
In the Beginning: More early clues for life at home, out there
Astronomers move closer to understanding how life arose on Earth and how it could arise elsewhere.
- Earth
Meteor dust layers taint Antarctic ice
Two layers of deep Antarctic ice, each hundreds of thousands of years old, are rich in meteoritic dust.
- Ecosystems
Sea Change: People have affected what penguins eat
Adélie penguins in Antarctica significantly changed their eating habits about 200 years ago, after whaling and other human activities transformed the ocean ecosystem.
- Earth
Fits and Starts
New data identify some factors that influence the highly variable flow rates of ice streams, the megaglaciers that carry most of Antarctica's ice to the sea.
- Earth
The Salt Flat That Isn’t Flat: World’s largest playa sports ridges, valleys
An innovative field survey of the world's largest salt flat, a New Jersey–size playa high in the Andes, reveals that the barren expanse actually has minuscule, centimeter-scale variations in topography.
- Earth
Icebergs can be biological hot spots
Icebergs carry nutrients from the land and shed them into the sea, nourishing life in the frigid waters near Antarctica.
- Earth
Glaciers give major boost to sea level
The ongoing disappearance of glaciers and other small ice masses worldwide makes a larger contribution to sea level rise than the melting of ice sheets on Greenland and Antarctica does.
- Animals
Low Life: Cold, polar ocean looks surprisingly rich
The first survey of life in deep waters around Antarctica has turned up hundreds of new species and a lot more variety than explorers had expected.
- Earth
Subglacial lakes may influence ice flow
The flow of water into and out of massive, ice-covered lakes in Antarctica may influence the speed at which the overlying glaciers move toward the sea.
