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Simon D'haenens

@simondhaenens.bsky.social
712 followers 1K following 197 posts

📈 Strategic data analyst @UHasselt 🌊 Paleoceanographer by training @YaleUniversity and @KULeuven. 🇧🇪 🇺🇸 Fulbright & BAEF fellow (boat 2014) 🔬 🐚 Lover of microfossils, Open Science, 🌪️ 🌀 ⛈️ Climate and extreme weather ORCID: 0000-0003-1248-3188

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Reposted by Simon D'haenens
Spokane Rising @spokanerising.com · 29/09/2026
Send Stephen Miller to The Hague.
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Jack Stack @jackstack.bsky.social · 28/09/2026
Really cool and important paper, as an enormous part of the fossil record of fishes is isolated teeth. @elizabethsibert.bsky.social academic.oup.com/iob/advance-...
academic.oup.com
Typifying tiny teeth: A standardized coding system to quantify morphological variation in fish teeth for comparative ecological, evolutionary, and functional morphological studies
Abstract. Teeth play a crucial role in vertebrate ecology as one of the main interfaces between predators and their prey. As the most diverse vertebrates o
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Mara Freilich @maratimes.bsky.social · 28/09/2026
We're hiring a tenure-track faculty member in geochemistry & climate at Brown! apply.interfolio.com/193121
apply.interfolio.com
Apply - Interfolio {{$ctrl.$state.data.pageTitle}} - Apply - Interfolio
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Thomas Cullen @thomascullen.bsky.social · 28/09/2026
With all the news of museums being closed and/or defunded, I feel the message of our paper on the importance of natural history research (and the collections housing those specimens) is just as relevant (or more) today as it was when it was published. onlinelibrary.wiley.com/doi/full/10....
cover page of the linked paper
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Zack Labe @zacklabe.com · 28/09/2026
Trends in September temperatures over land areas for the last 50 years... note some of the regional hotspots in the darker red shading Data from www.ncei.noaa.gov/products/lan...
Global map showing surface air temperature trends for each September from 1976 to 2025. Only land areas are shown. Red shading is shown for warmer temperature trends, and blue shading is shown for colder temperature trends. Data is from NOAA/NESDIS/NCEI NOAAGlobalTempv6.0.0. The temperature trend scale is from -0.5°C/decade to +0.5°C/decade. Most all areas are warming.
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Extreme Temperatures Around the World @extremetemps.bsky.social · 26/09/2026
SOUTH AMERICA HEAT Another record warm night in PERU. Min 16.8C Tacna re-re-re-breaks its September highest Minimums in history. In the meanwhile brutal heat on the Cono Sur >43C in Paraguay and tomorrow and on Monday we might see up to 45C. Nights locally >30C.
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Jeff Berardelli @weatherprof.bsky.social · 23/09/2026
99.9th Percentile + The rapid intensification of #Polo sits solidly in 4-sigma (standard deviation) territory consistent with the top 5 of 4,500 RI storms globally since 1980.
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Robert Reich @rbreich.bsky.social · 23/09/2026
CEO pay is up 1,316% since 1978, while typical worker pay is up just 28%. CEOs are now paid 325 TIMES as much as the typical worker in their industry, according to @epi.org Why do we always hear "we can't afford to pay our workers more" but never "we can't afford to pay our CEO more"?
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Fabien Burki @fburki.bsky.social · 23/09/2026
#protistsonsky (not to mention protistsonfire)
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Jeff Berardelli @weatherprof.bsky.social · 21/09/2026
It’s official, the 2026 El Niño has broken a record for the highest ocean anomaly in 170+ years… Incredibly reaching that threshold a full 2 months ahead of 2015’s record of +3.02C set on Nov 18th. See that red line? That’s 2026. Every other bold line are the strongest El Niño’s on record. 1/
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David Ho @davidho.bsky.social · 18/09/2026
PFAS in the blood of 97% of Americans
fortune.com
Data centers are swapping water for forever chemicals to keep AI cool | Fortune
A new ChemSec report finds most of the world's largest PFAS producers are expanding output to meet demand from AI data centers.
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David Ho @davidho.bsky.social · 15/09/2026
NSF has reduced the research budget for all atmospheric, ocean, and earth sciences by ~80%. 80%! A lot of us will not be conducting new research or training new students for the foreseeable future.
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Jeff Berardelli @weatherprof.bsky.social · 15/09/2026
Only .02° from the all-time El Niño record anomaly! Today we got to +3°C departure from the 1991-2020 average in the main (3.4) region. The record is 3.02°C in 2015… so conceivably we could break that in the next day or two. 1/
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George Matsumoto @georgeimatsumoto.bsky.social · 12/09/2026
🧪📍🌊 🦑🍎 @mbarinews.bsky.social invites applications for in-person postdoctoral fellowships in the fields of biological, chemical, and physical oceanography, marine geology, and ocean engineering. Deadline to apply is 5pm PT on December 2, 2026. www.mbari.org/about/career...
mbari.org
Postdoc Fellowships • MBARI
Each year, MBARI invites applications for several in-person postdoctoral fellowships in the fields of biological, chemical, and physical oceanography, marine geology, and ocean engineering. MBARI also...
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Olivia Guest · Ολίβια Γκεστ @olivia.science · 14/09/2026
In the current AI hype cycle, notice they first "attacked" the game Go, then protein folding (which they shuttered recently completely: www.engadget.com/2225849/goog...), and now they are focused on mathematics — these harmful insertions of this industry into human cognitive activities and labour...
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David De Pue @dpdaaf.bsky.social · 15/09/2026
🤯
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David Ho @davidho.bsky.social · 08/09/2026
All the plastic humanity has ever produced is ~10 billion tonnes. Humans emitted ~10 billion tonnes of CO₂ into the atmosphere in the first three months of 2026. When we appreciate orders of magnitude, we see how intractable the CO₂ problem becomes once we dump it into the atmosphere.
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Prof Ian Hall @ianhall.bsky.social · 31/08/2026
A striking finding from global drought experiments: Trees show little evidence of physiological acclimation to drought. The inner hydraulic machinery stays the same. The safety margin shrinks. That’s a very different, more vulnerable picture of forest resilience. www.pnas.org/doi/10.1073/...
pnas.org
Declining hydraulic safety in a drier world | PNAS
Forests worldwide are increasingly exposed to soil drought under climate change, with their fates depending on the ability to maintain essential fu...
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Femke de Jong @fmkdejong.bsky.social · 27/08/2026
Our NIOZ director Han Dolman is retiring. In his farewell speech he stressed that the evidence is all around us that climate is changing so fast and dramatically that it is not even a climate crisis, but a climate rupture. He is urging scientists and policymakers to keep advocating for change
Photograph of Han Dolman giving his retirement speech at the NIOZ. The room is dark, but a slide showing the temperature extremes of this summer is standing out. The title is “the climate rupture”
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Dr. Samantha Montano @samlmontano.bsky.social · 26/08/2026
Insane situation.
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Paolo G. Albano @pgalbano.bsky.social · 25/08/2026
A short letter highlighting the value - and the fragility - of biological databases. "Curation expertise, once lost, cannot be rebuilt quickly"(think about taxonomy). Among the problems driving this fragility: "universities reward publications over stewardship" www.nature.com/articles/d41...
nature.com
Treat biological databases as infrastructure, not projects
Letter to the Editor
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John Gibbons 🇵🇸 🇺🇦 🇪🇺 @thinkorswim.bsky.social · 18/08/2026
Here’s a graphic projecting massive and devastating #climate driven drying out of soils right across Europe by mid-century… …oh wait, sorry, that’s an ACTUAL reading from August 10th last. My mistake.
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Paul Harnik @paulharnik.bsky.social · 21/08/2026
Our dept @colgate.edu is hiring a tenure-stream asst prof in paleoclimate! We are so excited to learn about everyone's work & welcome our new colleague. Review of applications begins September 1. Pls share broadly. For details & to apply: apply.interfolio.com/188708
apply.interfolio.com
Apply - Interfolio {{$ctrl.$state.data.pageTitle}} - Apply - Interfolio
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Erich Fischer @erichfischer.bsky.social · 21/08/2026
Projection has become reality 22 years ago, Christoph Schär et al. published a landmark paper in Nature explaining that the 2003 heatwave was a harbinger of things to come. The study featured an iconic figure - shown in countless lectures - illustrating how outlandish the event was at the time
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Ed Hawkins @edhawkins.org · 21/08/2026
With the looming El Nino, what does this mean for UK weather? Likely wet? The major El Nino events of the last 50 years have all been coincident with a wet UK in late autumn into winter. The wetter winter part did not occur during the 1877-78 El Nino, which we think was the largest event on record.
Rainfall in the UK during autumn and winter in past El Nino events
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Eoghan Daltun 🌍 @irishrainforest.bsky.social · 21/08/2026
We KNOW that rewilding massively reduces flooding and the effects of drought, not to mention reversing nature loss, boosting rural communities and the wider economy, and aiding against climate collapse. Why is the government still ignoring the obvious? www.theguardian.com/environment/...
theguardian.com
Rewilded land remains green amid drought-stricken English countryside, images show
National Trust’s Holnicote estate says restored wetlands and rivers offer proof of resilience to drought, wildfires and flooding
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Benjamin Riley @benjaminjriley.bsky.social · 20/08/2026
So we know AI helped a negligible number of students. But how many did it harm? I've crunched the raw data provided by the lead researcher, and what I've found is that ~9,500 students using AI studied less than even the *least* studious, non-AI using student. This should shock the conscience.
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Cab Davidson @gnomeicide.bsky.social · 21/08/2026
Tuna used to be plentiful in the north sea. But no, you're not misremembering, there are no traditional recipes on the east coast. We didn't used to eat it. We just killed it. Sad thread on why. www.bbc.co.uk/news/article...
bbc.co.uk
First bluefin tuna caught and landed in Yorkshire since 1960s
A crew from Whitby lands two of the migratory species weighing over 300kg each in as many days.
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GOLIKEHELLMACHINE @golikehellmachine.com · 20/08/2026
i swear to god, asking: “what is the problem you are trying to solve? followed by: “what information or data do you need to solve this problem?” are like, some of the single most important questions you need to ask a stakeholder on all kinds of projects, and so many people skip it
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Kees van der Leun @sustainable2050.bsky.social · 19/08/2026
North Sea (30 km from the Dutch coast) reaches all-time high temperature of 21.5°C, beating the previous record set in 2018. This of course leads to heavier rainfall events, and damage to nature and fisheries. This is due to climate change, caused by burning fossil fuels. www.nu.nl/klimaat/6406...
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Jaime Palter @jaimepalter.bsky.social · 20/08/2026
The culmination of the work of so many great scientists and now good friends ... I will write a thread on this work in a week after a quick trip. Stay tuned if you want to learn about how the deep ocean "takes a breath."
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Rage Against the Miocene @organiccarbon.bsky.social · 19/08/2026
There really is a sado-masochistic relationship between the far right and their working class supporters.
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John Scalzi @scalzi.com · 17/08/2026
"AI" has existed in its current form for barely four years and the fact that it's jammed up the cognitive development of an entire generation that fast (and that there's a specific overclass of techofascists who are deeply thrilled about this) is a big damn red flag. www.nytimes.com/2026/08/17/u...
nytimes.com
What Do Students Lose When They Stop Writing? (Gift Article)
Educators are worried that many students can no longer write essays without A.I. And it’s costing more than just grammar skills.
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Brandon Bishop @brandontbishop.bsky.social · 17/08/2026
Remember! Carbon capture and storage as it exists and is mostly expected to exist is a technology for enhanced oil recovery. 🙃
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404 Media @404media.co · 17/08/2026
We placed a tracking device in a shipment of rare books to see which AI company was buying it, and found an Amazon facility where Amazon scans and destroys books.
404media.co
We Tracked a Shipment of Rare Books. It Ended at an Amazon AI Training Facility
We placed a tracking device in a shipment of rare books to see which AI company was buying it, and found an Amazon facility where Amazon scans and destroys books.
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Kees van der Leun @sustainable2050.bsky.social · 15/08/2026
Largest wildfire in Belgium's history: 27 km² burned and still rapidly expanding. Evacuations in several villages. nos.nl/l/2626995
nos.nl
Natuurbrand België wordt groter, in paar uur duizend hectare extra afgebrand
Zo'n 600 mensen uit twee dorpen zijn geëvacueerd. Aan de Duitse kant van de grens moeten mensen zich klaarmaken voor vertrek.
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Frank Deboosere @frankdeboosere.bsky.social · 14/08/2026
Een lijst met alle warmste dagen van het jaar in Ukkel sinds 1833 vind je op www.frankdeboosere.be/klimaatukkel...
frankdeboosere.be
Frank Deboosere - Warmste dag van het jaar in UkkelFrank Deboosere - Warmste dag van het jaar in UkkelFrank Deboosere - Warmste dag van het jaar in Ukkel
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Stephen Mullens @srmullens.bsky.social · 12/08/2026
Q: Graphs of Milankovich orbital cycles going into the past abound. Are there any graphs of, say, the next 1000 years of orbital variations into the future? I know applications are limited, but this is astronomy and surely it could be predicted or known, right?
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Dr. Aaron Thierry @thierryaaron.bsky.social · 10/08/2026
European summers aren't what they used to be! Grey curve is the climate of 1950-90. Every coloured line is a summer since 1991. Every one since 2005 sits beyond the 95th percentile of the curve. This isn't a shifting #climate. It's already a new one! 🤯🥵 Plot inspired by Barriopedro et al. 2011
Distribution of European summer temperature anomalies, June to August, over 25°W-40°E, 35-70°N, land only, the region used by Barriopedro et al., relative to 1961-1990, from ERA5. Grey bars show the 41 summers from 1950 to 1990, with a normal curve fitted through them, centred near zero. Coloured vertical lines show every summer from 1991 to 2025, shaded yellow through dark red by year, and almost all of them fall to the right of the grey distribution. The ten warmest are labelled, with 2024 furthest right at 2.74°C and 2022 next at 2.54°C. A dotted line marks the 95th percentile of the 1950-1990 distribution at 0.76°C.

Both run long, which is fine, since alt text has no practical limit and screen reader users benefit from the detail.
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Zeke Hausfather @zekehausfather.com · 02/08/2026
I'm not sure folks have realized just how crazy the second half of 2026 and 2027 will be for global temperatures – on the back of a record-smashing El Niño event. Here is my latest estimate of where both years will end up compared to global temperatures since 1850.
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ElectroCeratops @ehrenenglish.bsky.social · 10/10/2024
If you see this, post a dino! The Pentaceratops and Magnolias skateboard I painted this spring.
Pentaceratops with Magnolias, painted on a skateboard
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Ele Willoughby @minouette.bsky.social · 30/07/2026
Happy birthday to #geologist & oceanographic #cartographer Marie Tharp (1920-2006), whose pioneering, thorough & complete ocean floor maps with Bruce Heezen, made using realms of echo sounder data, revealed the Mid-Atlantic Ridge.⁠ 👩🏼‍🔬🧪🐡⚒️ #histsci After studying #geology & math,
My linocut portrait of Marie Tharp (woman in grey shirt with oversized glasses and red hair in up-do) in front of her physiographic of the Atlantic (in grey on teal) with mid-ocean ridge, resting her cheek on her left hand with elbow on table covered with depth sounder data.
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Simon Evans @drsimevans.carbonbrief.org · 30/07/2026
🧵UK media has been duped about net-zero (again) The playbook is identical: 1️⃣ Find a big scary number 2️⃣ Speed-dial non-specialist hacks 3️⃣ Do say “serious economic damage” 4️⃣ Don’t say “we pretended gas is free” 5️⃣ That's it! Many papers still fell for it 🤷
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Kees van der Leun @sustainable2050.bsky.social · 29/07/2026
Water flow in the Rhine river on its way to a new all time low. Red band: 5% lowest values for every date. Currently we're below the bottom: where the Rhine has never* gone before. Measured where it enters the Netherlands. Via www.linkedin.com/posts/niko-w... *) in recorded history, duh.
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Dr. Jonathan Foley @globalecoguy.bsky.social · 29/07/2026
🤯🍔 Did you know that producing *one pound* of beef releases as much greenhouse gas pollution as burning 25-50 pounds of coal? And producing grass-fed beef is even worse? We gotta rethink our high levels of beef consumption...
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Lauren Sumner-Rooney @laurensr.bsky.social · 29/07/2026
📢 JOB ALERT! 📢 I am recruiting a 30-month postdoc to work on modelling the vision of trilobites @hfspo.bsky.social ! If you like 3D data, fossils, and functional morphology, this is the one for you! 📆Deadline 27. Aug Pls contact me with any Qs and share widely! www.bristol.ac.uk/jobs/find/de...
bristol.ac.uk
Details | Working at Bristol | University of Bristol
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Dr. Aaron Thierry @thierryaaron.bsky.social · 28/07/2026
"Previous global assessments, which mainly focused on L. reservoirs, probably underestimated sedimentation risks across more than 75% of reservoir regions. Our projections indicate that, by 2060, > 1/2 of all reservoirs will become functionally dead, including 58.6% of S. & 38.1% of L. reservoirs"
nature.com
Global patterns of reservoir sedimentation and overlooked risks in small reservoirs - Nature Sustainability
Global reservoirs are under threat from increasing sedimentation rates, which threaten infrastructure function and storage capacity. A focus on large reservoirs underestimates the scale of the problem...
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Jacquelyn Gill @jacquelyngill.bsky.social · 28/07/2026
My alma mater (College of the Atlantic) is hiring faculty in Field Ecology, Agroecology, and Chemistry. If you're looking for a very cool small liberal arts college on the coast of Maine with a strong environmental focus, check it out (happy to answer questions!): www.coa.edu/human-resour...
coa.edu
Career Opportunities | College of the Atlantic
Career opportunities at the College of the Atlantic in Bar Harbor Maine.
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