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Thomas Bauska

@tinyicybubbles.bsky.social
989 followers 306 following 173 posts

Ice Core Scientist @bas.ac.uk University Research Fellow @royalsociety.org Affiliated Lecturer @cambridge-earthsci.bsky.social www.bas.ac.uk/profile/thausk

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Thomas Bauska @tinyicybubbles.bsky.social · 11/09/2026
🇬🇧: The data begin to look a tad squiffy. 🇺🇸 (me): Yeah, they get super janky there. 🇩🇪: I am not following. Can you please state the accuracy and precision during the interval we are discussing?
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Thomas Bauska @tinyicybubbles.bsky.social · 26/08/2026
“The next talk will be giving by Doctor…
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Thomas Bauska @tinyicybubbles.bsky.social · 11/08/2026
Slowly but surely accumulating supervisor papers (and coffee mugs). Latest is here: cp.copernicus.org/articles/22/...
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Thomas Bauska @tinyicybubbles.bsky.social · 30/07/2026
On the flip side, this was me opening up those old boxes today...
static.klipy.com
John C Reilly Steve Brule
ALT: John C Reilly Steve Brule
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Thomas Bauska @tinyicybubbles.bsky.social · 27/07/2026
What a time to be alive. www.bbc.co.uk/news/article...
bbc.co.uk
Jodrell Bank's Lovell telescope faces axe in science cuts, BBC understands
Astronomers warn it would tear the heart out of UK science, and leave a generation untrained.
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Thomas Bauska @tinyicybubbles.bsky.social · 17/07/2026
View from outside the Bern ice core gas lab. View from outside the BAS ice core gas lab.
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Thomas Bauska @tinyicybubbles.bsky.social · 07/07/2026
Getting one child ready in the morning = deterministic chaos. Getting two children ready in the morning = purely stochastic.
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Thomas Bauska @tinyicybubbles.bsky.social · 02/07/2026
Dang. Title for my autobiography has already been taken.
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Bob Hilton @profbobhilton.bsky.social · 22/06/2026
New Job! Please RP! 2 year Postdoctoral Research Associate in #Biogeochemistry in Oxford @oxfordgeography.bsky.social using novel methods to explore organic matter stability and new proxies of rock #weathering &wider team in Southampton. Any Qs let me know 🧪🥼⚒️ my.corehr.com/pls/uoxrecru...
Picture of central Oxford Come join the team, including Emily (post doc at Southampton the the project) and Bob
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Thomas Bauska @tinyicybubbles.bsky.social · 16/06/2026
My personal take-home: always test the "null" hypothesis when it comes to palaeoclimate. Eric Mei, @bayesicallyalex.bsky.social, @cristiproist.bsky.social, et al., www.pnas.org/doi/10.1073/... Fun times working with Eric on this as part of @fetch4.bsky.social
pnas.org
Multidecadal preindustrial methane variability can be explained by noise in the source–sink imbalance | PNAS
Ice core records of preindustrial methane indicate variability of ±30 ppb (±5%) on multidecadal-to-centennial timescales. Previous work has attribu...
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Thomas Bauska @tinyicybubbles.bsky.social · 11/06/2026
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Nick Golledge @nick-golledge.bsky.social · 05/06/2026
Just out in @natgeosci.nature.com we use ice sheet modeling to identify & characterize behavioral regimes, & the nature of ice sheet regime shifts. We do this using the Shannon entropy signature of mass loss, and find evidence of bistability under high, but not low, entropy regimes. rdcu.be/fmIe1
rdcu.be
Ice-sheet regime shifts with climate warming
Nature Geoscience - Ice sheets are steady in cold climates, become unstable as warming weakens ice shelves, then restabilize at higher temperatures. Model simulations suggest sudden shifts between...
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Thomas Bauska @tinyicybubbles.bsky.social · 04/06/2026
The combined pride and dread you get when someone says "oh, I was just reading your thesis" 😊😨😊😨😊😨😊😨😊😨😊😨
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Reposted by Thomas Bauska
Nature Geoscience @natgeosci.nature.com · 25/05/2026
⚒️ Article: Dust records from an Allan Hills ice core indicate the Ross Sea was likely open through the peak of the Last Interglacial, coincident with a smaller West Antarctic Ice Sheet @lamont.columbia.edu www.nature.com/articles/s41...
nature.com
Diminished Ross Ice Shelf and West Antarctic Ice Sheet during Last Interglacial warming - Nature Geoscience
Dust derived from Antarctic sources measured in an ice core from the Allan Hills spanning the peak of the Last Interglacial suggests that the Ross Sea was probably open at the time, coincident with a ...
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Thomas Bauska @tinyicybubbles.bsky.social · 02/06/2026
Old ice cores never die, they just sublimate away. icecores.org/inventory/de...
icecores.org
Deaccessed Cores | NSF Ice Core Facility
The National Science Foundation Ice Core Facility (NSF-ICF) — formerly the U.S. National Ice Core Laboratory (NICL) — is a facility for storing, curating, and studying meteoric ice cores recovered fro...
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Thomas Bauska @tinyicybubbles.bsky.social · 01/06/2026
Nice one! Almost like the authors made me a mixtape of my favourite topics. -CO2 across the MPT -Long-term changes in the Antarctic Ice Sheet -Grounding line controls BONUS: Transects of Filchner-Ronne in the SI that cross Berkner Island. www.nature.com/articles/s41...
nature.com
Increased sensitivity of the Antarctic Ice Sheet to decreasing CO2 across the Mid-Pleistocene Transition - Nature Geoscience
A transient ice sheet model simulation of the past 3 million years suggests that the Antarctic Ice Sheet became more sensitive to decreasing CO2 levels following the Mid-Pleistocene Transition, driven...
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Reposted by Thomas Bauska
Proceedings of the National Academy of Sciences @pnas.org · 16/05/2026
Ice core water-isotope records from eight locations in Antarctica spanning 400,000 years show that the warmest parts of the continent have had the most temperature variability. In PNAS: ow.ly/OmwB50YZOhp
Antarctic temperature reconstructions based on stable-isotope ratios from eight deep ice core records. Inset shows locations of cores on the Antarctic continent
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Thomas Bauska @tinyicybubbles.bsky.social · 19/05/2026
Writing a conference abstract titled “Towards a(n)…” is the academic equivalent of manifesting.
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Thomas Bauska @tinyicybubbles.bsky.social · 17/05/2026
So many gems. onlinelibrary.wiley.com/doi/10.1111/... “The manner of geologist movie deaths: Category 2: Work related. Typical examples are being hit by a volcanic bomb, falling into a crater or an opening fault, drowning in quicksand or lahar, and incineration in an oil pit. Grim stuff.”
onlinelibrary.wiley.com
Geologists on the silver screen—the sequel
As geologists, our interest is piqued when geological processes—with varying degrees of accuracy—are portrayed in movies and especially when a geologist unexpectedly appears on screen, even in a mino...
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Thomas Bauska @tinyicybubbles.bsky.social · 15/05/2026
vibe coding meaning what is it
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Thomas Bauska @tinyicybubbles.bsky.social · 08/05/2026
*checks supplementary information for age model uncertainty*
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Thomas Bauska @tinyicybubbles.bsky.social · 06/05/2026
All the new ice core data at #EGU26 is pretty cool, I guess. But nothing can top seeing this alongside a poster in Interdisciplinary Tree-Ring Research
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LegraLeGra @atthenius.bsky.social · 29/04/2026
I swore to support & defend the Constitution of the United States. But I've spent the last two weeks in purgatory on "administrative leave for investigative purposes" while NASA pondered me speaking in my personal capacity. I'm back tomorrow. firstamendment.mtsu.edu/article/pick...
firstamendment.mtsu.edu
Pickering v. Board of Education (1968)
Pickering v. Board of Education (1968), the seminal case on public employees' First Amendment rights, said they do not give up their right to speak on matters of public importance.
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Australian Antarctic Program Partnership @antarctic.bsky.social · 29/04/2026
The MYIC @millionyearice.bsky.social project by the Australian Antarctic Program is drilling an ice core to 3,000 metres depth in three-metre segments, and returning the cores in pristine condition to Hobart, Tasmania. Why? And how? Find out at aapp.shorthandstories.com/the-memory-of-ice
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Thomas Bauska @tinyicybubbles.bsky.social · 21/04/2026
The frequently used symbols of an isotope geochemist who can't decide what delta form to use.
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Thomas Bauska @tinyicybubbles.bsky.social · 11/04/2026
Validated. www.science.org/content/arti...
science.org
These may be the world's first images of dogs—and they're wearing leashes
Saudi find may reveal how humans harnessed early dogs to survive
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Thomas Bauska @tinyicybubbles.bsky.social · 25/03/2026
My pet theory: Europe warmed up enough in the Bølling–Allerød that it was finally time to go for walkies.
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Thomas Bauska @tinyicybubbles.bsky.social · 24/03/2026
If this is your scene*, maybe this job is for you? Three-year PDRA in ice core gases at @cambridge-earthsci.bsky.social www.cam.ac.uk/jobs/researc... *Scenes from the Beyond EPICA gas analysis in Copenhagen.
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Nature @nature.com · 23/03/2026
Nature research paper: Broadly stable atmospheric CO2 and CH4 levels over the past 3 million years go.nature.com/4bl7uIZ
go.nature.com
Broadly stable atmospheric CO2 and CH4 levels over the past 3 million years - Nature
Blue ice records from Antarctica are used to determine methane and carbon dioxide concentrations over the past 3 million years.
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Thomas Bauska @tinyicybubbles.bsky.social · 17/03/2026
I have a joke about the Mid-Pleistocene Transition but the pacing is all wrong.
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Thomas Bauska @tinyicybubbles.bsky.social · 22/02/2026
Legendary. Gwyneth W. Gordon, Carbon isotope evaluation of the claims in MillerCoors vs Anheuser-Busch doi.org/10.1016/j.fo....
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Thomas Bauska @tinyicybubbles.bsky.social · 19/02/2026
The most popular core to study on paleoclimate Bluesky
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Thomas Bauska @tinyicybubbles.bsky.social · 09/02/2026
👏 Heroic effort to extract a H₂ record from ice cores 👏 The samples had to measured in the field immediately after drilling (i.e. fresh out the oven 🥮) to prevent the tiny H₂ molecules from leaking out. www.nature.com/articles/s41...
nature.com
Atmospheric H2 variability over the past 1,100 years - Nature
Analysis of the atmospheric H2 variability over the past millennium suggests that the sensitivity of H2 to climate change should be considered in estimates of the radiative consequences of rising...
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Thomas Bauska @tinyicybubbles.bsky.social · 01/02/2026
I learned a lot from the UChicago Core Curriculum. The most important lesson was that I wanted to do Earth Sciences. -Readings in World Literature -Self, Culture and Society -Vienna in Western Civilisation -Music Materials and Design -Animal Sensory Ecology (wrote about Trilobite eyes 👁️💠!)
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Thomas Bauska @tinyicybubbles.bsky.social · 29/01/2026
Sand dunes. But where?
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Thomas Bauska @tinyicybubbles.bsky.social · 08/01/2026
One week until #EGU26 abstracts are due! CL1.2.8 - "Beyond EPICA: old ice and the MPT" looks like it may be the greatest session of the last 1.2 million years (or so). Will the big❓be filled in with new ice core data? www.egu26.eu/session/56601
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Thomas Bauska @tinyicybubbles.bsky.social · 05/01/2026
(if the world still exists)
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Science Magazine @science.org · 30/12/2025
A study in Science reveals an extensive precolonial agricultural landscape in Michigan’s Upper Peninsula, suggesting Indigenous American communities cultivated maize intensively between 1000 and 1600 CE, despite a cold climate and marginal growing conditions. scim.ag/49voBGO
scim.ag
Archaeological evidence of intensive indigenous farming in Michigan’s Upper Peninsula, USA
We describe archaeological evidence of intensive ancestral Native American agriculture in the now heavily forested Upper Peninsula of Michigan. Recent LIDAR (light detection and ranging) and excavatio...
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Jed O. Kaplan @jedokaplan.bsky.social · 18/12/2025
I've updated the opportunities part of my website with fresh openings for researchers interested in climate and vegetation science, archaeology, history, and geography at all levels from undergraduate intern to postdoc. Take a look! jedokaplan.github.io/opportunities/
jedokaplan.github.io
Work with me!
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Thomas Bauska @tinyicybubbles.bsky.social · 13/12/2025
The idea that the Plutonium 238 could have moled its way into a glacier is mind-boggling (and not in a good way). www.nytimes.com/interactive/...
nytimes.com
How Did the C.I.A. Lose a Nuclear Device in the Himalayas? (Gift Article)
A plutonium-packed generator disappeared on one of the world’s highest mountains in a covert mission that the U.S. will not talk about.
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Ben Riddell-Young @benryoung.bsky.social · 09/12/2025
Excited to share our new PNAS paper! We find that recent methane growth was driven by agriculture/waste and wetland emissions, while fossil fuel emissions have remained stable despite growth in production, highlighting recent progress and further mitigation potential. www.pnas.org/doi/abs/10.1...
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Thomas Bauska @tinyicybubbles.bsky.social · 05/12/2025
same vibes. The "BAS-signal"?
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Thomas Bauska @tinyicybubbles.bsky.social · 04/12/2025
TIL: Someone found piece of the asteroid that killed the dinosaurs in a sediment core from the middle of the Pacific Ocean. Kyte, F. A meteorite from the Cretaceous/Tertiary boundary. Nature 396, 237–239 (1998). doi.org/10.1038/24322 🌠💥💣
doi.org
A meteorite from the Cretaceous/Tertiary boundary - Nature
Nature - A meteorite from the Cretaceous/Tertiary boundary
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University of Cambridge @cam.ac.uk · 19/11/2025
Cambridge researchers have uncovered the earliest evidence of ‘animal GPS’ in tiny magnetic fossils from 97 million years ago. What left them behind? And what insights can they shed? Dig in: bit.ly/3LQxykH @cambridge-earthsci.bsky.social @stcatharines.bsky.social @gfz.bsky.social 🧪
bit.ly
Ancient ‘animal GPS’ identified in magnetic fossils
The earliest evidence of an internal ‘GPS’ system in an animal has been identified by researchers, which could help explain how some modern birds and fish
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Thomas Bauska @tinyicybubbles.bsky.social · 27/11/2025
Field update from Beyond EPICA: "The camera's light reflected off the myriad of fine ice particulates suspended in the fluid, causing flashes of light and colour that danced and reformed, giving the impression of travelling through a cosmic kaleidoscope" in other words... youtu.be/ozhR9fxe1oU?...
youtu.be
DOUBLE RAINBOW OH MY GOD! 2001 EDITION!
YouTube video by Disasteradio
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Million Year Ice Core Project @millionyearice.bsky.social · 16/11/2025
Touchdown on ice.. three MYIC science and drilling team members arrived to Casey Station yesterday after ride in the big jet with other incoming Casey Station crew. Thanks ADF! #AusAntarctic 📸 JP
L to R: MYIC team members Joel Pedro, Lenneke Jong and Julius Rix arrive to Wilkins runway. Terra bus in the background for the 3hr ride over ice sheet from Wilkins to Casey Station. ADF Operation Southern Discovery first C17 flight for season to Wilkins. Delivering Expeditioners and cargo to support the Aus Antarctic Program.
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Thomas Bauska @tinyicybubbles.bsky.social · 11/11/2025
A magical record! Now 3,000,000 years long! Repost this quote and see if it increases by another order of magnitude.
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Thomas Bauska @tinyicybubbles.bsky.social · 04/11/2025
Phase Angle? Most mornings mine would look like benthic δ¹⁸O and obliquity.
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Million Year Ice Core Project @millionyearice.bsky.social · 31/10/2025
While the field teams are already in action, preparing to traverse to the drill site, things in the MYIC labs are moving forward. Daniel and Andy made the first serious gas sublimation measurement using our system with some known-composition Law Dome core. 📷 Joel Pedro
Ice sample being sublimated with infrared light under a vacuum - to the extract the air content from the bubbles. Andy and Daniel overseeing the gas extraction.
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Thomas Bauska @tinyicybubbles.bsky.social · 30/10/2025
When you first read the title of this paper... Shackleton et al., Miocene and Pliocene ice and air from the Allan Hills blue ice area, East Antarctica, PNAS doi.org/10.1073/pnas... (2025).
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