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CMS scientists on the bottom (and top) of the world!


CMS scientists on the bottom (and top) of the world!
The 79°N glacier in Greenland. Credit: Stephen Krisch
May 27, 2021
Written by Tim Conway, Amelia Shevenell and Brad Rosenheim
Melting polar ice sheets play a pivotal role in changing global sea levels, and are
expected to contribute to a six-inch rise in Florida sea level by 2030. But melting ice also provides an important and changing supply of nutrients
to the oceans around Greenland and Antarctica. The Southern Ocean, which encircles
Antarctica, also plays a vital global role in regulating heat, salt, carbon, and nutrient
transfer between the oceans and atmosphere (taking up much of the global carbon emissions), ....

New Zealand , United States , Southern Ocean , Oceans General , Ross Sea , Stephen Krisch , Imogen Browne , Weddell Sea , M Leckie Amelia Shevenell , Brad Rosenheim , Amelia Shevenell , Kendra Daly , Alistair Graham , Don Chambers , Brad Siebel , Nancy Williams , Matthias Sieber , Tim Conway , Tom Frazer , National Oceanic , Atmospheric Administration , Antarctica On International Ocean Discovery Program , National Science Foundation , Nature Communications Krisch , Rob Mckay Victoria University , Southern Ocean Science ,

The University of Texas at Austin: Asteroid Dust Found in Crater Closes Case of Dinosaur Extinction


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Researchers believe they have closed the case of what killed the dinosaurs, definitively linking their extinction with an asteroid that slammed into Earth 66 million years ago by finding a key piece of evidence: asteroid dust inside the impact crater.
The crater left by the asteroid that wiped out the dinosaurs is located in the Yucatán Peninsula. It is called Chicxulub after a nearby town. Part of the crater is offshore and part of it is on land. The crater is buried beneath many layers of rock and sediment. A 2016 mission led by the International Ocean Discovery Program extracted rock cores from the offshore portion of the crater. Credit: The University of Texas at Austin/Jackson School of Geosciences/ Google Map. ....

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