Denis Gilbert 🌎
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denis-gilbert.ca
Denis Gilbert 🌎
@denis-gilbert.ca
6.7K followers 1.3K following 450 posts
Physicist; ocean & climate scientist
Dog servant 🐕
📍Rimouski, Québec, Canada 🇨🇦

Website: https://denis-gilbert.ca
Google Scholar: https://scholar.google.ca/citations?user=6J1GChAAAAAJ&hl=en
Posts Replies Media Videos
Reposted by Denis Gilbert 🌎
malinodalen.bsky.social
It’s been a while since I shared these, so here we go!

If you are new to BlueSky, here are a few 🌊 ocean starter packs 🌊 to help you find who to follow:

Physical oceanography
go.bsky.app/Eb6xX19

Polar oceans
go.bsky.app/851nQgx

Organisations
go.bsky.app/U1Ei6XY
November 9, 2025 at 12:35 PM
Reposted by Denis Gilbert 🌎
egu.eu
#GeoCinema is back for #EGU26!

Whether you have filmed fantastic spectacles in the field or produced an educational feature on the Earth, planetary, or space sciences - it's time to submit your short film 🎞️!
📅Submission deadline: 5 December 2025
👀 Application details: egu.eu/13NFE9
Image description: An audience watching a screen in a large hall. With text reading:" GeoCinema at the EGU26 General Assembly, Applications are now open! Submit your short film NOW! 5 December 2025."
November 8, 2025 at 12:33 PM
denis-gilbert.ca
#tides cause weird effects, such as making islands disappear! (for a few hours...)
jowilliams.bsky.social Dr Joanne Williams @jowilliams.bsky.social · Aug 30
Hooray, an @xkcd.com about tides! Although only little ones, round here we can get a tidal range of 10 *metres* .

xkcd.com/3135/
[Single frame, with Megan and Cueball standing at a coastline with grass, with water and waves visible. They are looking at the ocean and are standing together.] Cueball: Hey, where's that big island we were looking at this morning? Megan: Oh, it's underwater. The ocean's depth here goes up and down by like ten feet every day. Cueball: What? Megan: It's because the planet has a big moon orbiting near the surface. It causes weird gravity effects. Cueball: What??? [Caption below the frame:] People here are used to them, but tides are one of the weirdest and most sci-fi elements of life on Earth. Transcript thanks to explainxkcd
November 9, 2025 at 3:42 PM
denis-gilbert.ca
If, like me, you are not an AI expert but are curious about it, this interview with Joëlle Pineau is fun to watch and listen to.

www.youtube.com/watch?v=51y4...

#AI #ReinforcementLearning #RL #Cohere #aicoding
November 7, 2025 at 4:14 PM
denis-gilbert.ca
L'informatique quantique diffère profondément de l'informatique classique. Tania Belabbas de l'Institut quantique - Université de Sherbrooke fait appel aux mathématiques pour nous expliquer le fameux qubit.

accromath.uqam.ca/2025/10/de-l...

#QuantumComputing #qubit #BlochSphere #SciComm
November 5, 2025 at 3:28 PM
Reposted by Denis Gilbert 🌎
jbroschek.bsky.social
"On top of threats of tariffs, port fees and visa restrictions on crews, the U.S. said it would also look at “sanctions on officials sponsoring activist-driven climate policies.”"
November 3, 2025 at 1:06 PM
denis-gilbert.ca
Tsunami warning system could soon be missing critical real-time data.

#tsunami #NOAA #emergencypreparedness
alaskawx.bsky.social Rick Thoman @alaskawx.bsky.social · 12d
Not what people ANYWHERE on the Pacific coast need. #akwx #AlaskaSky

"The National Oceanic and Atmospheric Administration is halting a contract that makes it possible for the federal agency to…monitor for potential tsunamis…and quickly warn at-risk communities."

alaskapublic.org/news/alaska-...
NOAA cancels funding for data collection crucial to tsunami warning systems
The Alaska Earthquake Center has long provided NOAA with seismic data for tsunami monitoring and warning purposes. That work will wind down in November, after the federal agency said it can no longer ...
alaskapublic.org
November 2, 2025 at 6:45 PM
Reposted by Denis Gilbert 🌎
cira-csu.bsky.social
Morning light shines upon convection within Category 5 Hurricane Melissa.
October 27, 2025 at 2:18 PM
denis-gilbert.ca
El metano no ayuda en la transición hacia energías más limpias que el carbón. Vale la pena ver y escuchar esta presentación de Bob Howarth.

#cambioclimatico #energía
profbobhowarth.bsky.social Prof. Bob Howarth @profbobhowarth.bsky.social · 23d
Versión en español de una presentación que di sobre metano, gas de esquisto y GNL el 9 de octubre.
youtu.be/tl1L3mmWQwA
#Charla | Metano: un puente a ningun lugar
YouTube video by Observatorio Petrolero Sur
youtu.be
October 24, 2025 at 7:12 PM
denis-gilbert.ca
Food for thought for Canadian website owners who are still on the fence about bringing back (or not) their web hosting services on Canadian soil and servers. #Canada #AWS
whc.ca Web Hosting Canada @whc.ca · 25d
🚨 AWS is facing a major outage, and it’s causing ripple effects across the web.

✅ The good news? WHC services are up and running strong as we don't use AWS! 💪

If you're running into issues with your website or tools, it could be due to third-party apps or services that rely on AWS.
October 20, 2025 at 5:02 PM
Reposted by Denis Gilbert 🌎
alaskawx.bsky.social
I’ve got a short piece up in The Conversation on the catastrophic flooding in Southwest Alaska from ex-typhoon Halong and the challenges of recovery work. #akwx #ExtremeWeather #Alaska #AlaskaSky

theconversation.com/typhoon-leav...
Typhoon leaves flooded Alaska villages facing a storm recovery far tougher than most Americans will ever experience
‘As the storm approached Alaska, everything went sideways,’ leaving people no time to evacuate and little time to prepare. An Alaska meteorologist explains what happened and the challenges ahead.
theconversation.com
October 14, 2025 at 4:55 PM
denis-gilbert.ca
Fact-checking the claim that CO2 emissions are good for crops.

#climate #agriculture
October 14, 2025 at 5:45 PM
Reposted by Denis Gilbert 🌎
whysharksmatter.bsky.social
Colleagues in ocean science academia: 🧪🦑🌎

I am working on the section of my marine biology career advice book about applying to graduate school. I have lots to say here from both my own experience and years of teaching this stuff, but I’d welcome your input on any or all of this if you’re willing.
October 14, 2025 at 11:15 AM
denis-gilbert.ca
Statistics on how scientists feel about their presence on Bluesky versus Twitter. My personal experience (before closing my Twitter account in August 2023) was that engagement for my tweets had dropped to close to zero. No longer worth the effort...

#Bluesky #Twitter #X #socialmedia
October 13, 2025 at 7:14 PM
denis-gilbert.ca
If you live in Atlantic Canada and were forced to relocate due to climate risks such as flooding, fire, sea-level rise or coastal erosion, a Dalhousie University researcher would like to talk to you and learn about what you went through emotionally and financially.

www.cbc.ca/news/canada/...
Have you moved due to climate risks in Atlantic Canada? This researcher wants to talk to you | CBC News
A Dalhousie University study aims to understand what people go through when they relocate due to climate-related risks or impacts.
www.cbc.ca
October 11, 2025 at 7:44 PM
denis-gilbert.ca
Library and Archives Canada is now on Bluesky.

Give them a follow!

#Canada #CanadaSky

@library-archives.canada.ca
library-archives.canada.ca Library and Archives Canada @library-archives.canada.ca · Oct 9
Library and Archives Canada has entered the chat! 🍁

As the continuing memory of the federal government, we safeguard Canada’s distant past and recent history for generations to come.

Immerse yourself in a journey of discovery!

#Libraries #Archives #History #CanadaSky
View of the Preservation Centre in Gatineau from across a pond. Two people spread a very large map across the floor of the Preservation Centre in Gatineau. A crowd of people listens to a presentation in the Pellan Room at Library and Archives Canada in Ottawa. A small group of people gathers inside the Art Vault at Library and Archives Canada to view several large, gold-framed paintings.
October 11, 2025 at 4:31 PM
denis-gilbert.ca
Yep! 💯#SciComm
jonathanstea.bsky.social Dr. Jonathan N. Stea @jonathanstea.bsky.social · Oct 10
Brandolini’s Law (also known as the bullshit asymmetry principle):

The amount of energy needed to refute bullshit is an order of magnitude bigger than that needed to produce it.

H/t @unbiasedscipod.bsky.social
October 11, 2025 at 3:41 PM
denis-gilbert.ca
CBC Radio's science show 'Quirks & Quarks' celebrated its 50-year anniversary in a fun episode that invited experts to discuss the last 50 years of research in cosmology, genetics, climate, computers, agriculture and speculate on the next 50 years! 🧪

www.cbc.ca/listen/live-...

#SciComm #Science
October 10, 2025 at 5:21 PM
denis-gilbert.ca
Informative article by @javierblas.bsky.social on why the "LNG bridge fuel" between coal and renewables is likely to get shorter.

#EnergyTransition #LNG #coal #renewables #Energy #Solar #SolarEnergy #LiquifiedNaturalGas #Electricity

@markhamhislop.bsky.social
LNG cargo ship docked at a wharf.
October 9, 2025 at 4:55 PM
denis-gilbert.ca
The Saxby Gale severely hit Atlantic Canada on October 4 & 5, 1869. On the 150th anniversary of this storm, @ryansnoddon.bsky.social wrote a nice summary of its evolution and impacts, including major flooding between Amherst and Sackville.

www.cbc.ca/news/canada/...

#SaxbyGale #stormsurge
October 4, 2025 at 11:55 AM
denis-gilbert.ca
Le 17 août 2017 occupe une place spéciale dans la mémoire des astrophysiciens. En cette journée, les caractéristiques d'un événement d'ondes gravitationnelles ( #GW170817) suggèrent la première détection d'une fusion d'étoiles à neutrons.

denis-gilbert.ca/fr/2025/04/1...

#astronomie #Einstein
September 30, 2025 at 5:09 PM
Reposted by Denis Gilbert 🌎
zacklabe.com
"After nearly 40 years, the Arctic Research Consortium of the United States, or ARCUS, will close September 30."

"The Arctic Research Consortium of the United States funded programs that aided Indigenous communities and tracked melting sea ice, among dozens of initiatives."
After Trump cut the National Science Foundation by 56 percent, a venerable Arctic research center closes its doors
The Arctic Research Consortium of the United States funded programs that aided Indigenous communities and tracked melting sea ice, among dozens of initiatives.
grist.org
September 28, 2025 at 2:10 PM
denis-gilbert.ca
Fall colors / Couleurs d'automne

📍Saint-Anaclet-de-Lessard, Québec, Canada

#Nature #Photography #NaturePhotography
September 26, 2025 at 3:54 PM
Reposted by Denis Gilbert 🌎
profbobhowarth.bsky.social
This can't be good: "Over the past three years, leading tech firms have committed more toward AI data centers, plus chips and energy, than it cost to build the interstate highway system over four decades, when adjusted for inflation."
www.wsj.com/tech/ai/ai-b...
Spending on AI Is at Epic Levels. Will It Ever Pay Off?
Tech companies are pouring hundreds of billions into data centers, taking on heavy debt, but current revenue is relatively tiny. Critics warn of a new dot-com bubble.
www.wsj.com
September 26, 2025 at 10:48 AM
denis-gilbert.ca
How does oxygen get from the ocean surface layer to the ocean's intermediate depth and bottom waters? 🧪🌊

I wrote a brief overview of the processes involved and the key regions of ocean ventilation:

denis-gilbert.ca/en/2025/04/1...

#ocean #oceanography #oxygen #popularscience #science
September 19, 2025 at 8:23 PM