Katerina Petronotis
@kpetronotis.bsky.social
๐ค 733
๐ฅ 182
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Geoscientist, former Manager of Science Operations at IODP/TAMU
reposted by
Katerina Petronotis
Eos
29 days ago
Two volcanoes near the Greek island of Santorini may be linked, according to new research from Abigail Metcalfe of
@ucauvergne.bsky.social
(now at
@bristoluni.bsky.social
) & colleagues. Comments from Jens Karstens of
@geomarkiel.bsky.social
.
eos.org/articles/tra...
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Tracing the Eruption History of a Volcano in a Tourist Hot Spot - Eos
Sediment cores extracted from deep under the Aegean Sea reveal the timing of explosive eruptions of Kolumbo Volcano and a potential link to neighboring Santorini.
https://eos.org/articles/tracing-the-eruption-history-of-a-volcano-in-a-tourist-hot-spot
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Katerina Petronotis
U.S. Scientific Ocean Drilling
about 1 month ago
Subscribe to the SODCO email list to receive news and opportunities related to scientific ocean drilling:
eepurl.com/jwQ9TA
This email list now sends the biweekly Scientific Ocean Drilling Community Update. Check out the latest one here:
mailchi.mp/ldeo/sciod-community-update-mar11
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Katerina Petronotis
George Conway โ๏ธ๐บ๐ธ
about 1 month ago
"A carrier strike group is designed for blue-water power projection, not littoral escort through a corridor where a $500 contact mine can cripple a $4 billion destroyer."
open.substack.com/pub/shanakaa...
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Actuarial Warfare: How Seven Insurance Letters Closed the Worldโs Most Critical Chokepoint and Why Markets Are Mispricing Duration by 300%
Private Reinsurance, IRGC Fragmentation, Interceptor Depletion, and a Dead Nuclear Fatwa Have Produced a Crisis No Military Victory Can Resolve
https://open.substack.com/pub/shanakaanslemperera/p/actuarial-warfare-how-seven-insurance?utm_source=share&utm_medium=android&r=iyynm
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Eric Topol
about 1 month ago
A causal link between severe Covid or flu and lung cancer risk by impairing immunity and promoting inflammation, as shown in multiple murine models
www.cell.com/cell/fulltex...
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Respiratory viral infections prime accelerated lung cancer growth
Severe COVID-19 is associated with an increased subsequent risk of lung cancer. Viral pneumonia induces durable lung epigenetic imprinting that promotes tumor-supportive neutrophils and impairs T cell...
https://www.cell.com/cell/fulltext/S0092-8674(26)00220-5
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Katerina Petronotis
U.S. Scientific Ocean Drilling
about 1 month ago
SODCO is hiring a Science Program Officer based at the Lamont-Doherty Earth Observatory. If youโre a scientist with excellent organizational skills and excited to advance the next phase in U.S. scientific ocean drilling, check it out:
academic.careers.columbia.edu#!/177103
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Katerina Petronotis
Dr. Thomas Ronge
about 1 month ago
๐จIf you're working on a US scientific ocean drilling proposal
@us-sciod.bsky.social
just added several info pages on: The Operational Planning Process Vessels and Platforms Coring and Downhole Measurements Containerized Laboratories
sodco.org#proposals
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Katerina Petronotis
AAUP Texas A&M-College Station Chapter
about 2 months ago
Dr. Martin Peterson delivers "The Lecture that Texas A&M Banned" on Wednesday, February 25! 530pm MSC Room 1400 Texas A&M University Come on out!
docs.google.com/form...
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Katerina Petronotis
Diederik Liebrand
about 2 months ago
Very proud of this one:
www.science.org/doi/10.1126/...
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Onset of millennial climate variability with the intensification of Northern Hemisphere glaciation
The Quaternary Period (the last 2.58 Ma) was characterized by the waxing and waning of large ice sheets in the Northern Hemisphere. Using sediment sequences from the Iberian Margin, we demonstrate tha...
https://www.science.org/doi/10.1126/science.ady7970?utm_source=sfmc&utm_medium=email&utm_content=alert&utm_campaign=1stRelease&et_rid=492889660&et_cid=5882485
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Katerina Petronotis
U.S. Scientific Ocean Drilling
about 2 months ago
Happening tomorrow at 2pm!
sodco.org/operational-...
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Joe Hingley
about 2 months ago
New paper out in Paleoceanography and Paleoclimatology: We used Cenozoic-spanning marine sediments to determine whether archived grain-size sorted sediments can be resurrected for biomarker analysis. Great to see my first piece of PhD work published, available
#openaccess
:
doi.org/10.1029/2025...
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Evaluating the Reliability of GrainโSize Sorting for Organic Biomarker Analysis
We investigate the potential of using grain-size sorted marine sediments for biomarker analysis GDGT distributions are consistent regardless of grain-size sorting, and fine-grained sediment fract...
https://doi.org/10.1029/2025PA005289
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Katerina Petronotis
Dr. Thomas Ronge
about 2 months ago
Application deadline ๐๐ต๐ถ๐ ๐๐ฟ๐ถ๐ฑ๐ฎ๐, February 20th! Details below ๐
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Dr. Or M. Bialik |๐|๐ฌ|๐|โ๏ธ
about 2 months ago
If this is real, a bit alarming. Earth's magnetic field protects us from all sorts of cosmic nasties. Due to the way the magnetic fieds is generated, it sometimes reverses, weakening in the interim. This study shows that those reversals can be rather long. โ๏ธ๐งช Link:
www.nature.com/articles/s43...
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An essential next step. Spread the news!
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2 months ago
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Katerina Petronotis
Dr. Thomas Ronge
2 months ago
๐จIt's time to dust-off your shelved scientific ocean drilling proposals! To help science teams prepare for developing an NSF drilling proposal, our office (SODCO) will host a webinar to walk proponents through the operational planning process. Sign up here:
columbiauniversity.zoom.us/meeting/regi...
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Katerina Petronotis
Dr. Thomas Ronge
2 months ago
๐จJob alert๐จ Want to work as a Chem Tech for
@us-sciod.bsky.social
at Texas A&M University? Then apply below! Responsibilities include prep lab containers for seagoing expeditions, mobilization/demobilization, sailing to operate instruments at sea...
tamus.wd1.myworkdayjobs.com/TAMU_Externa...
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Katerina Petronotis
Dr. Thomas Ronge
2 months ago
๐จThe first paper from Exp403 to the Fram Strait is out. If you ever worked in the High Arctic, you know how hard it is to age-scale the sediments. Here we present an unprecedented record of key nannofossils in the region that will make this a bit easier.
www.sciencedirect.com/science/arti...
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Katerina Petronotis
Dr. Thomas Ronge
2 months ago
๐จCheck out our new IODP paper on Kolumbo Volcano in Greece. Despite being one of Europe's most dangerous volcanoes not much is known about its eruptive history. The paper led by
@abigaillily.bsky.social
adds important insight into the Kolumbo-Santorini system
pubs.geoscienceworld.org/gsa/geology/...
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Katerina Petronotis
Brian Romans
2 months ago
Excited that this paper, led by former PhD student Natalia Varela (based on her dissertation), is now out! We use the occurrence & characteristics of thin, silty turbidites from the Ross Sea to interpret Antarctic Bottom Water outflow since ~3.3 Ma.
agupubs.onlinelibrary.wiley.com/doi/10.1029/...
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Welcome to bsky US Scientific Ocean Drilling!
@us-sciod.bsky.social
2 months ago
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Katerina Petronotis
Dr. Thomas Ronge
3 months ago
Only one month left to apply for the SODCO undergrad internship at
@tamu.bsky.social
! Deadline is February 20th.
sodco.org/opportunitie...
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Katerina Petronotis
Christine Siddoway
3 months ago
First 2026 issue
@pnas.org
features
@khorikawa.bsky.social
et al.'s work on deep marine sediment from
#AmundsenSea
.
#Pliocene
muds contain material from bedrock sources as far inland as
#EllsworthWhitmore
Mountains: a sign of major
#WAIS
retreat &
#glacial
-
#deglacial
switching
ow.ly/wHeq50XTv2n
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PNAS
Proceedings of the National Academy of Sciences (PNAS), a peer reviewed journal of the National Academy of Sciences (NAS) - an authoritative source of high-impact, original research that broadly spans...
https://ow.ly/wHeq50XTv2n
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Katerina Petronotis
AAUP Texas A&M-College Station Chapter
3 months ago
Intercepted mail.... A former student sent this email to the provost and president and cc:ed one of our members:
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Katerina Petronotis
Nature Geoscience
3 months ago
โ๏ธ Article: The West Antarctic Ice Sheet responded to different natural forcing mechanisms than the East Antarctic Ice Sheet through the mid-Pliocene due to a greater sensitivity to oceanic feedbacks
@harpurcollege.bsky.social
www.nature.com/articles/s41...
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Spatially variable response of Antarcticaโs ice sheets to orbital forcing during the Pliocene - Nature Geoscience
The West Antarctic Ice Sheet responded to different natural forcing mechanisms than the East Antarctic Ice Sheet through the mid-Pliocene due to a greater sensitivity to oceanic feedbacks, according t...
https://www.nature.com/articles/s41561-025-01840-y?utm_source=bluesky&utm_medium=social&utm_campaign=ngeo
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Katerina Petronotis
GEOMAR Helmholtz Centre for Ocean Research Kiel
3 months ago
Seit Mitte Dezember ist ein internationales Forschungsteam unter Leitung GEOMAR mit der METEOR unterwegs, um neue Erkenntnisse รผber das Vulkansystem vor Santorini zu gewinnen. โ๏ธ Auf
Oceanblogs.org
berichten sie รผber ihre Forschung und das Leben an Bord. Schaut vorbei:
www.oceanblogs.org/m215/
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Oceanblogs | www.oceanblogs.org
https://Oceanblogs.org
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Katerina Petronotis
Flavia Boscolo-Galazzo
3 months ago
www.nature.com/articles/s41...
@bjerknes.uib.no
@marumunibremen.bsky.social
@unibremen.bsky.social
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Oligocene deep ocean oxygen isotope variations primarily driven by temperature - Nature Geoscience
Large benthic oxygen isotope fluctuations in the Oligocene Southern Ocean primarily represent deep water temperature changes, suggesting the Antarctic ice sheet volume was relatively stable, according...
https://www.nature.com/articles/s41561-025-01878-y
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Katerina Petronotis
AAUP Texas A&M-College Station Chapter
3 months ago
From an email to one of our faculty members.... Not even Plato can escape censorship at Texas A&M!
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Katerina Petronotis
Dr. Thomas Ronge
3 months ago
New Year, New Us. Looks like our new Scientific Ocean Drilling branding is up. You can still find us at our usual spot on
@tamu.bsky.social
โs West Campus.
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Katerina Petronotis
Simon Rosenberg
3 months ago
Let's break the Internet with this today.....
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Mark Hamill
4 months ago
Thanks GlobalTV Canada! ๐จ๐ฆ
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Timothy Burke
4 months ago
The full spiked 60 Minutes CECOT package, clean & subtitled. 1/5
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Ben Williamson
4 months ago
Closing out my year with a journal editor shocker ๐งต Checking new manuscripts today I reviewed a paper attributing 2 papers to me I did not write. A daft thing for an author to do of course. But intrigued I web searched up one of the titles and that's when it got real weird...
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Katerina Petronotis
Heather Cox Richardson (TDPR)
4 months ago
Well, THIS seems like a good use of taxpayer money! /s
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Andrew Dessler
4 months ago
๐จWorkshop alert๐จ High and Ultra-high Resolution Modeling of the Earth System April 13-15, 2026, in College Station TX.
sites.google.com/tamu.edu/tam...
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Celeste Labedz
4 months ago
It's over. Despite the fact that the academic council recommended against it, despite the fact that the program brought in more tuition than it cost, and despite the fact that Nebraskans need & deserve this expertise, Earth & Atmospheric Sciences will be cut.
www.dailynebraskan.com/news/adminis...
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BREAKING: โThis hurtsโ: UNL eliminates 4 programs despite faculty, student pleas
The University of Nebraska-Lincoln eliminates the Earth and atmospheric sciences 8-0, educational administration 7-1, statistics 7-1, textiles, merchandising and fashion design 7-1 programs.
https://www.dailynebraskan.com/news/administration/breaking-this-hurts-unl-eliminates-4-programs-despite-faculty-student-pleas/article_e0d11a61-0fcc-4e66-b364-d16e89bea336.html
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Zack Labe
4 months ago
#Arctic
air temperature rank by month over the satellite era - now updated through November 2025... + Ranks: 1=warmest (red), 46/47=coldest (blue) + Download higher resolution version:
zacklabe.com/arctic-tempe...
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Katerina Petronotis
5 months ago
On the behalf of the Organizing Committee, I am thrilled to announce that the 2nd Submarine Volcanism Workshop will be held on 19โ22 October 2026 in Santorini, Greece, and online ๐๐ ๐ฃ Interested in participating? Please sign up here:
lnkd.in/e4-nfpAK
๐ More information provided in the flyer below ๐
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Emily Estes
5 months ago
New publication!! Featuring some of the most gorgeous rocks Iโve ever cored, tremendous work by an international, interdisciplinary team, and interesting implications for marine CDR. Article:
www.nature.com/articles/s41...
News & views:
www.nature.com/articles/s41...
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A geological carbon cycle sink hosted by ocean crust talus breccias - Nature Geoscience
Mass-wasting deposits that accumulated against mid-ocean ridge faults have high porosity in which calcium carbonate precipitated, storing seawater carbon dioxide, as revealed by cores of a 61-million-...
https://www.nature.com/articles/s41561-025-01839-5
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Katerina Petronotis
Dr. Thomas Ronge
5 months ago
@tamu.bsky.social
's new Scientific Ocean Drilling website just went online! Your hub to all things repository, sample requests, SOD reports, news, expeditions...
sod.tamu.edu
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Scientific Ocean Drilling
Making fundamental contributions to our understanding of the Earth.
https://sod.tamu.edu
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Katerina Petronotis
Dr. Thomas Ronge
5 months ago
And weโre up and running. First Antarctic cores have been CT scanned! The GCR has truly become a world-class core analysis facility!
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Fumihiko Ikegami
5 months ago
The underwater seismometer network is so great, as evidenced from yesterday's EQ off-Tohoku. Reposting unofficial visualization by
x.com/kotoho76/sta...
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Dr. Thomas Ronge
5 months ago
Looks like the Gulf Coast Repository
@tamu.bsky.social
is getting a new "toy" today. So exciting, can't wait to see it up and running!
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Katerina Petronotis
Dr. Nina Davtian (she/her/hers)
5 months ago
My co-authored marine GDGT ยซ cookbook ยป review paper led by Peter Bijl ๐จโ๐ฌ and
@kasiasliwinska.bsky.social
๐ฉโ๐ฌ is now published in
@egubg.bsky.social
!
doi.org/10.5194/bg-2...
Again, I am so happy to be the
@cerege.bsky.social
@climatecerege.bsky.social
expert on
#GDGTs
!
@egu.eu
๐งช โ๏ธ ๐
#PaleoSky
(1/3)
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I heard itโs headed to Turkey to be scrapped. RIP
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5 months ago
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Katerina Petronotis
George Takei
6 months ago
Hear, hear!
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Zack Labe
6 months ago
#Arctic
air temperature rank by month over the satellite era - now updated through September 2025... + Ranks: 1=warmest (red), 46/47=coldest (blue) + Download higher resolution version:
zacklabe.com/arctic-tempe...
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Jeff Tiedrich
8 months ago
it shouldn't be easier to get a gun in America than the covid vaccine
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NPR
8 months ago
Delays and increased screenings for visas mean that many students didn't make it to campus on time โ and that has some big implications for the economy.
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Colleges see significant drop in international students as fall semester begins
Delays and increased screenings for visas mean that many students didn't make it to campus on time โ and that has some big implications for the economy.
https://n.pr/4fVJdK1
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Dr. Thomas Ronge
8 months ago
๐จJob alert Want to know whatโs behind these doors? TAMUโs Gulf Coast Repository is looking for a Curatorial Specialist to support the GCR on shore & who will be sailing on expeditions operated by the Scientific Ocean Drilling Coordinating Office (SODCO).
tamus.wd1.myworkdayjobs.com/System-wide_...
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Katerina Petronotis
Dr. Thomas Ronge
8 months ago
The article made the cover of GRL, celebrating the now-retired JOIDES Resolution. Floating in the pitch-black Aegean Sea, the JR was an island of light and color.
agupubs.onlinelibrary.wiley.com/doi/epdf/10....
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Katerina Petronotis
NPR
8 months ago
Americans love olive oil โ and import 95% of it. But tariffs are making it harder for Europeans to sell it to Americans.
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This Tuscan startup sold all its olive oil in the U.S. Then came Trump's tariffs
Americans love olive oil โ and import 95% of it. But tariffs are making it harder for Europeans to sell it to Americans.
https://n.pr/45BmW0s
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