Seeing sea ice formation

The structure of an ice core tells a story about its life cycle; you can take a look and read it like a timeline. Geophysicist Andy Mahoney, assistant research professor in the University of Alaska Fairbanks Geophysical Institute, extracted a sea ice core offshore from Barrow, Alaska. He described how sea ice takes form. When […]

ice core drill

Proxy data from past climates

Laura Nielsen for Frontier Scientists – We can’t use time machines to go back and take the Earth’s temperature during ancient times, yet we need past records of climate data to help calculate Earth’s history, where we are now, and what our planet will look like going forward. Paleoclimatology studies ancient climates with the use […]

“This is not what we expected” said Julie Brigham-Grette in video describing work at Lake El’gygytgyn

July 10, 2012– “To this point no one has much of any terrestrial record anywhere in the Arctic older than 125,000 years ago” said Julie Brigham-Grette, University of Massachusetts Amherst as she describes findings from the Lake El’gygytgyn (or Lake E) project to Office of Polar Programs Board Meeting at the National Science Foundation. Brigham-Grette […]