Earth Sciences49
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Ear to the Ground, Listening for Nuclear Blasts
Seismologist Lynn Sykes has been working for more than 50 years to halt the testing of nuclear bombs. In his forthcoming book, Silencing the Bomb: One Scientist’s Quest to Halt Nuclear Testing, Sykes provides an insider’s look at the science behind detecting explosions, and international efforts to establish a series of treaties.
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Wind, Snow and Ice: Summer in Antarctica
The theme of the past week has been the weather. Weather is of course always happening, but in the lingo of McMurdo Station, ‘weather’ means ‘bad weather.’
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What We Know About Medicanes—Hurricane-Like Storms in the Mediterranean
They’re rare but can be dangerous, as demonstrated by Medicane Numa’s destruction in Greece last week.
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Ocean Sediments Off Pacific Coast May Feed Tsunami Danger
Tightly packed sediments help the Cascadia Subduction Zone generate large earthquakes, and could boost its ability to trigger a large tsunami.
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Let’s Talk About Crevasses—Deep Fractures in Antarctica’s Ice
The word “crevasse” sends shivers down the spine of anyone who works on a glacier. Sometimes hundreds of feet deep and hidden beneath a thin layer of snow, these cracks have claimed the lives of many polar explorers and scientists. They also appear quite frequently in our sensors as we fly our survey flights for…
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How Will La Niña Affect Winter in the U.S.?
This phenomenon can cause major changes in climate patterns. See what’s in store for your region.
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Where Is All That Carbon Dioxide Going?
Concurrent with the announcement that human carbon emissions reached a new peak this year, Galen McKinley, a researcher at Columbia University’s Lamont-Doherty Earth Observatory, discusses the difficulties of tracking the sources and destinations of carbon dioxide.
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Flying is Easy, Just Think Happy Thoughts…
For scientists mapping Antarctica’s Ross Ice Shelf, data collection flights require a demanding schedule: The day starts at 4am and sometimes continues throughout the night.
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NASA Finds New Way to Track Ozone By Satellite
Ozone pollution near Earth’s surface is one of the main ingredients of summertime smog. But it not directly measurable from space, due to the abundance of ozone higher in the atmosphere, which masks the surface. Now, researchers have devised a way to use satellite measurements of the precursor gases that contribute to ozone formation to…
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