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Department of Earth Sciences at Dartmouth

@dartmouthears

The Department of Earth Sciences at Dartmouth https://earthsciences.dartmouth.edu

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12.09.2023
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Latest posts by Department of Earth Sciences at Dartmouth @dartmouthears

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Jacob Chalif, a graduate student in EAPS, was featured in an article commenting on his recently published study showing that "waviness" in the polar jet stream that brings Arctic-like conditions farther south are not historically uncommon. Read more at www.climate.us/news-and-fea...

10.02.2026 19:34 πŸ‘ 1 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
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Congratulations to EAPS Assistant Professor Sarah Slotznick for receiving the Department of Energy Early Career Research Program Award for 2025! The prestigious award provides long-term support for the research of outstanding early-career scientists. See more at: fas.dartmouth.edu/news/2026/01...

23.01.2026 16:29 πŸ‘ 1 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
screenshot of job ad from link on post

screenshot of job ad from link on post

New Assistant Professor Posting:
@dartmouthears.bsky.social @dartmouthartsci.bsky.social
Stable Isotope Biogeochemistry and/or Geobiology
apply.interfolio.com/176517

πŸ§ͺ🌎

05.11.2025 16:41 πŸ‘ 9 πŸ” 7 πŸ’¬ 0 πŸ“Œ 1
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We are looking to hire a full-time tenure-track Assistant Professor in the general areas of stable isotope biogeochemistry and/or geobiology! For more information and to apply see apply.interfolio.com/176517 -- review begins November 15!

28.10.2025 20:59 πŸ‘ 3 πŸ” 4 πŸ’¬ 0 πŸ“Œ 0
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Simulating the Holocene evolution of Ryder Glacier, North Greenland Abstract. The Greenland Ice Sheet's negative mass balance is driven by a sensitivity to a warming atmosphere and ocean. The fidelity of ice-sheet models in accounting for ice–ocean interaction is inhe...

New paper out, on #Ryder #glacier #NorthernGreenland #icesheetmodelling. Great collaboration @bolincentre.bsky.social @stockholm-uni.bsky.social @uio.no @dartmouthears.bsky.social #jifresse tc.copernicus.org/articles/19/.... More about the swedish glaciers and their #massbalance 2024/2025 soon πŸ˜€

11.09.2025 03:35 πŸ‘ 4 πŸ” 3 πŸ’¬ 0 πŸ“Œ 0
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You probably don’t know this about the Earth – and museums get it wrong too So much is made of scientific discoveries in outer space, as we try to broaden our horizons and explore the surface of Mars, but in reality, many of us don’t know much about things right below our fee...

"The biggest (misconception) in general is people think that the mantle is made of magma, or the mantle is molten or liquid.” Earth sciences professor @brenhinkeller.bsky.social discusses misunderstandings about the Earth’s structure with Indy100.

27.08.2025 13:36 πŸ‘ 5 πŸ” 3 πŸ’¬ 1 πŸ“Œ 0
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Sea Ice Data Repository | View and Download Download up-to-date results from the world's largest repository of seasonal sea ice thickness data.

Huge thanks to Don Perovich, Chris Polashenski, Cameron Planck, and others for leading and maintaining CRREL, Dartmouth @dartmouthears.bsky.social, and Cryosphere Innovation www.cryosphereinnovation.com ice mass balance buoy programs.

28.03.2025 09:02 πŸ‘ 2 πŸ” 1 πŸ’¬ 1 πŸ“Œ 0
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With some much terrible news, I want to share something positive. This is a spodosol my students made for our soils class back @dartmouthears.bsky.social featuring O-reo horizon, whipped cream E horizon, pudding Bhs and B horizon, and graham cracker glacial till.

28.01.2025 11:37 πŸ‘ 3 πŸ” 1 πŸ’¬ 0 πŸ“Œ 0
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The Department of Earth Sciences at Dartmouth College invites applications for the Joseph P. Obering Postdoctoral Fellowship. For more information and to apply, see apply.interfolio.com/159479. Review of applications begins February 1!

24.01.2025 20:05 πŸ‘ 7 πŸ” 2 πŸ’¬ 0 πŸ“Œ 2
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Limits to timescale dependence in erosion rates: Quantifying glacial and fluvial erosion across timescales Globally, glacial erosion rates outpace fluvial, with limits to the biases introduced by measuring across different timescales.

New paper on glacial erosion rates and the Sadler effect that came out of a @dartmouthears.bsky.social grad seminar class just out now in Sci Adv! doi.org/10.1126/scia...

22.12.2024 18:56 πŸ‘ 38 πŸ” 12 πŸ’¬ 2 πŸ“Œ 1
Justin Strauss and Akshay Mehra examine an exposed ancient reef high in Canada’s Mackenzie Mountains for fossil samples.

Justin Strauss and Akshay Mehra examine an exposed ancient reef high in Canada’s Mackenzie Mountains for fossil samples.

Phoebe Cohen plans a safe route over the rugged terrain to the reefs with Justin Strauss and the team.

Phoebe Cohen plans a safe route over the rugged terrain to the reefs with Justin Strauss and the team.

Justin Strauss treks with postdoctoral scholar Meghan King and college sophomore Caroline Nadalin to a fossilized reef.

Justin Strauss treks with postdoctoral scholar Meghan King and college sophomore Caroline Nadalin to a fossilized reef.

Researchers hike down from the reef with backpacks full of rock and fossil samples.

Researchers hike down from the reef with backpacks full of rock and fossil samples.

. @dartmouthears.bsky.social professor Justin Strauss and researchers from @uofwa.bsky.social and Williams College trekked the Canadian Rockies this summer in search of what could prove to be the earliest record of animal life on Earth. ➑️ bit.ly/4ioT9Nb

πŸ“Έ Robert Gill

11.12.2024 19:07 πŸ‘ 6 πŸ” 2 πŸ’¬ 0 πŸ“Œ 0
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An unexpected ice collapse hints at worrying changes on the Antarctic coast The Conger Ice Shelf disintegrated in 2022. Satellite data leading up to the collapse hint at worrying changes in a supposedly stable ice sheet.

@dartmouthears.bsky.social professor Mathieu Morlighem discusses the risks of an Antarctic ice shelf that broke apart in 2022, and an emerging hot spot along the coast of East Antarctica, via Science News.

06.12.2024 20:46 πŸ‘ 3 πŸ” 3 πŸ’¬ 0 πŸ“Œ 0
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Ice Cores Show Pollution's Impact on Arctic Atmosphere | Dartmouth

Ice Cores Show Pollution's Impact on #Arctic Atmosphere via @dartmouthears.bsky.social

home.dartmouth.edu/news/2024/09...

28.09.2024 14:51 πŸ‘ 1 πŸ” 1 πŸ’¬ 0 πŸ“Œ 0
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Three Dartmouth Faculty Honored by American Geophysical Union Professors Mathieu Morlighem, C. Brenhin Keller, and Justin Mankin were included among theΒ the American Geophysical Union's 2024 honorees.

Congrats to three Dartmouth faculty who were honored by the American Geophysical Union! πŸŽ‰ The largest Earth and space science association named professor Mathieu Morlighem an AGU Fellow and awarded prestigious awards to professors @BrenhinKeller.bsky.social and Justin Mankin.

18.09.2024 16:26 πŸ‘ 7 πŸ” 3 πŸ’¬ 0 πŸ“Œ 0
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The Department of Earth Sciences at Dartmouth is looking to hire a tenure track Assistant Professor of Geophysics!

Review of applications will begin on October 15, 2024 and continue until the position is filled. For more information and to apply, visit apply.interfolio.com/152376

10.09.2024 15:49 πŸ‘ 7 πŸ” 7 πŸ’¬ 1 πŸ“Œ 0
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Brenhin Keller Receives 2024 GSA Donath Medal Brenhin Keller awarded the 2024 Geological Society of America Young Scientist Award (Donath Medal).

Kudos to Earth sciences professor @brenhinkeller.bsky.social, who received the Geological Society of America's Young Scientist (Donath) Medal! πŸ‘ πŸ‘ The award honors an early-career scientist for outstanding achievement in contributing to geologic knowledge. 🌍

11.07.2024 15:21 πŸ‘ 6 πŸ” 3 πŸ’¬ 1 πŸ“Œ 0
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Congrats to Earth sciences professor @brenhinkeller.bsky.social, who received the Hisashi Kuno Award from the American Geophysical Union! πŸ₯³ The award honors an early-career scientist for outstanding contributions to volcanology, geochemistry, and petrology. Read the full citation: bit.ly/4bPUWX8

23.05.2024 15:44 πŸ‘ 7 πŸ” 2 πŸ’¬ 0 πŸ“Œ 0
Rox Reunion 2024 – June 16 – 18 in Hanover

Calling all ROX alumni: this June is the Department of Earth Sciences 10-year Reunion!

Visit sites.dartmouth.edu/roxreunion/ for information about the schedule of events, field trips, and travel information, as well as to register (by April 30th, 2024). We hope to see you there!

21.03.2024 17:23 πŸ‘ 1 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
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Permafrost Restrains Arctic Riversβ€”and Lots of Carbon

"While the Arctic has experienced warming in the past, the scary thing is how rapidly it’s occurring now" – new work on permafrost and arctic rivers by Dr. Joanmarie DelVecchio and Prof. Marisa Palucis featured in the Dartmouth News: home.dartmouth.edu/news/2024/02...

09.02.2024 22:34 πŸ‘ 13 πŸ” 5 πŸ’¬ 1 πŸ“Œ 0
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Dartmouth College invites applications for a Guarini Dean’s Postdoctoral Fellowship in the Department of Earth Sciences, spanning all disciplines studied in the Department. Applications are open now; review begins February 15! apply.interfolio.com/138866

25.01.2024 22:07 πŸ‘ 7 πŸ” 7 πŸ’¬ 0 πŸ“Œ 1
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Felt the ground tremble? Yup, earthquakes in New Hampshire are somewhat common While seismic activity is common, not all earthquakes are easily noticed.

Ever felt the ground tremble, creak, or groan? It turns out that small earthquakes in New Hampshire are somewhat common, according to @dartmouthears.bsky.social professor Leslie Sonder, via NHPR ‡️

18.01.2024 19:28 πŸ‘ 4 πŸ” 2 πŸ’¬ 0 πŸ“Œ 0

The people have a right to climate data. Outstanding op-ed by Justin Mankin. Couldn't have said it better, agree with everything. www.nytimes.com/2024/01/20/o...

20.01.2024 15:52 πŸ‘ 7 πŸ” 5 πŸ’¬ 0 πŸ“Œ 0
Three people in ascending height order, standing with arms around each other smiling

Three people in ascending height order, standing with arms around each other smiling

Although it happened two weeks ago, wanted to post how great it was to see Josie successfully pass her MSc defense! (First graduate student and first post πŸ˜„)

01.01.2024 19:52 πŸ‘ 13 πŸ” 2 πŸ’¬ 0 πŸ“Œ 0
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Review | β€˜Equality’ says the path has always been fraught Darrin M. McMahon’s wide-ranging history demonstrates that progress toward achieving equality is almost never linear

A review in the Washington Post says that Dartmouth professor Darrin McMahon offers a "wide-ranging history" in his new book that "demonstrates that progress toward achieving equality is almost never linear." ‡️

05.01.2024 18:35 πŸ‘ 3 πŸ” 1 πŸ’¬ 0 πŸ“Œ 0
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Reindeer eyes change colour to help them find food in the winter The surface of a reindeer's eye changes from golden-orange in summer to a rich blue colour in the winter months. Find out more here.

New research co-led led by Dartmouth anthropologist Nathaniel Dominy suggests that the eyes of Rudolph and his reindeer brethren may have evolved so that they can spot their favorite food during dark Arctic winters, via @BBC. ‡️ πŸŽ…

18.12.2023 17:39 πŸ‘ 3 πŸ” 3 πŸ’¬ 0 πŸ“Œ 0
A scientist studies a research rig.  He is pensive and contemplative, with his chin on his fist, observing.

He's a handsome young man wearing a suit and tie, with closely cropped hair.

A scientist studies a research rig. He is pensive and contemplative, with his chin on his fist, observing. He's a handsome young man wearing a suit and tie, with closely cropped hair.

Let's talk about Ernest Everett Just, a cell biologist who unraveled the mysteries of fertilization in spite of the obstacles he faced as an African-American.

Just's story weaves together good, rigorous science with racism & tragedy.

He was born in 1883 in seaside Charleston, South Carolina.

09.12.2023 15:38 πŸ‘ 399 πŸ” 186 πŸ’¬ 6 πŸ“Œ 9

This is a great fellowship for anyone looking to do a computationally-minded postdoc at Dartmouth, with any faculty in any department (including Earth Sciences)!

19.10.2023 15:59 πŸ‘ 3 πŸ” 1 πŸ’¬ 1 πŸ“Œ 0
A light skinned woman with short dark curly hair (Phoebe) in blue jacket & scarf out in field next to a river with ice explaining first evidence of predatory life

A light skinned woman with short dark curly hair (Phoebe) in blue jacket & scarf out in field next to a river with ice explaining first evidence of predatory life

A White man with brown hair & glasses (Brenhin) in a studio holding up two rocks explaining the Great Unconformity

A White man with brown hair & glasses (Brenhin) in a studio holding up two rocks explaining the Great Unconformity

A Black man (Chris) in red jacket & yellow hat sitting in front of a rapidly advancing glacier with a rock in his hand.

A Black man (Chris) in red jacket & yellow hat sitting in front of a rapidly advancing glacier with a rock in his hand.

White woman with blonde hair (Emily) in a studio discussing the curious biota of the Ediacaran.

White woman with blonde hair (Emily) in a studio discussing the curious biota of the Ediacaran.

Really enjoying watching the new PBS NOVA series "Ancient Earth" featuring these awesome Bsky superstars 🌟🀩
@phoebefossil.bsky.social
@brenhinkeller.bsky.social
@seismatters.bsky.social
@egmitchell.bsky.social
@wgbh.org

12.10.2023 01:49 πŸ‘ 61 πŸ” 14 πŸ’¬ 7 πŸ“Œ 2
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10.10.2023 20:10 πŸ‘ 3 πŸ” 1 πŸ’¬ 0 πŸ“Œ 0

The other thing I wish I could tell everyone is that the machine learning is more specifically a parallel Bayesian inversion via MCMC (Metropolis modified with a form of "parallel tempering"), but that's trickier to explain so I'm worried folks are assuming we're using neural nets or something silly

05.10.2023 15:22 πŸ‘ 3 πŸ” 1 πŸ’¬ 0 πŸ“Œ 0