Will and Mana, who visited us for two months this past summer to prepare samples, were just featured in a University of Montana Western press release describing their research and their trip to GSA last week.
@umw_envsciences
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Big congratulations to Melisa Diaz, whose paper was just published in Earth Surface Dynamics. Melisa visited us during her PhD at Ohio State to prepare these samples. Her work investigates soil processes in Antarctica using meteoric 10Be.
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#soil
#cosmogenicnuclides
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#antarctica
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Community Cosmogenic Facility alums continue to rock at GSA! Here, Collin of Eastern Michigan University presents his research focusing on fire-related landscape and erosion impacts in California.
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Congratulations to Mana and Will of University of Montana Western (@umw_envsciences) who presented their posters at GSA yesterday. Mana and Will visited the lab for two months this past summer to prepare samples for a project focusing on Montana glacial history.
Photo credit: Spruce Schoenemann, University of Montana Western
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Whether you're attending the GSA meeting in-person or online, tomorrow (Tuesday) is a busy day for the NSF/UVM Community Cosmogenic Facility! Students who have worked in the lab will be presenting their data in four posters. Please check them out for some cool cosmo data and interesting Earth-surface processes!
- Tuesday morning: Collin Bogoski (California fire erosion, session T134, Booth 78)
- Tuesday morning: Mana Bryant (Montana glacial history, session T131, Booth 12)
- Tuesday morning: Will Larson (Montana glacial history, session T131, Booth 11)
- Tuesday afternoon: Chris Halsted (New England glacial history; session T135, presented online)
The map shown here is courtesy of Spruce Schoenemann. It shows the landscape investigated by the two Montana posters.
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UVM Cosmo Lab postdoc Drew Christ is headed to Copenhagen, Denmark today to cut and retrieve samples of the long lost frozen sediment at bottom of the Camp Century ice core. Follow @campcentury.fossilsunderice as Drew posts updates from the freezer!
Here's a recent post from Drew:
Reposted from @campcentury.fossilsunderice Greetings from Camp Century: the City Under Ice. At the apex of the cold war, the US Army dug a series of ice tunnels inside the Greenland Ice Sheet to establish a nuclear powered military base billed as an Arctic Research Laboratory. While this sounds like science fiction, it really happened and the science that came from Camp Century was anything but fiction.
Camp Century was the site of the first deep ice core - a scientific feat that revolutionized our understanding of earth's climate history. But the frozen sediment at the bottom of the ice core - under nearly a mile of ice - was never studied and then forgotten for decades in a freezer in Copenhagen! Nearly 60 years later these long lost sediments were found.
Our team of researchers discovered freeze fried fossil tundra plants in the frozen sediment - a time capsule from a warmer, greener Greenland when the ice sheet was smaller and global sea level was higher. This sediment could tell us more about the fate of Greenland and its massive ice sheet as humans continue to warm the climate.
Follow along as our team continues to learn more about this priceless archive of past climate. We are kicking off the project this week as Drew Christ, a scientist from @universityofvermont travels to Copenhagen, Denmark to retrieve some samples of the frozen dirt!
Photo credits: (1-2) US Army (3) Us Army Corps of Engineers (4) Andrew Christ
#science #climatechange #greenland #history
Can you see the tiny white speck in the bottom right corner of the crucible? That’s what all the fuss is about! That little speck is 250ug of Be (now in oxide form), isolated from one of Drew’s marine core samples. We work for months to get to this stage! Today, Lee packed these samples in cathodes; they’ll be headed to Lawrence Livermore National Laboratory for AMS analysis soon.
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#labchemistry
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Big congratulations to Chris Halsted, whose first PhD paper was just published in Geosciences! His paper investigates whether the 26Al/10Be surface production ratio varies over latitude and elevation, using a ton (!!!) of existing data from the ICE-D database. He has another similar paper, using new measurements from around the world, forthcoming. 
We’re happy to be welcoming Jason Drebber aboard the UVM Cosmo Team. Jason is a senior undergrad here and working on an independent project trying to constrain the timing and rate of Laurentide Ice Sheet retreat in New England. He has been working on quartz prep for months, and we just started his first batch of Be extractions in the clean lab yesterday!
Photo credit: Chris Halsted
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