🌊 New article: For the first time from space, we can infer vertical velocities at the ocean's fine scales! 🛰️ 🌀🎢 www.nature.com/articles/s43...

Watching Masterchef while writing proposals is dangerous because it leads to you repeatedly typing "dumplings" instead of "density" in your Very Serious Document. 🥟

The Trump administration is dismantling a $368 million deep-ocean observation system that was put in place a decade ago to monitor coastal environments, marine ecosystems and powerful currents that affect the global climate.

NCAR just won in court! A US district judge in Colorado has prohibited NSF from taking #NCAR apart, specifically in spalling off its supercomputing center in Wyoming. storage.courtlistener.com/recap/gov.us... Our earlier story on this and why it matters: www.nature.com/articles/d41... 🧪

This is one of the most insane things I’ve seen from this regime. Please read this excellent summary and comment in the federal registry. 🧪🌊

Join me at prime time on Monday night for my keynote talk for the Weather & Climate Livestream...then stick around for 50 hours of amazing science enabled by U.S. federal investment! 🌊 🧪 ☁️ 🌴 @wclivestream.bsky.social

"This stance is based on an implicit belief that Indians are somehow more ‘adapted’ to air pollution. Such arguments are pervasive and have gained legitimacy from the political denial of the air pollution problem" ☠️ excellent reporting from @rishpardikar.bsky.social on the clean air crisis:

🌊 The ocean absorbs >90% of Earth’s excess heat, and our ability to track it depends on a fragile global network of floats, ships and sensors. New research warns that cuts to the Global Ocean Observing System could make climate signals indistinguishable from noise. www.nature.com/articles/s41...

🚨 The Weather and Climate Livestream is back, June 1st - 3rd 2026!! We're streaming 50 hours for our future in the face of a new round of proposed budget cuts and attacks on science. Want to speak at the event? wclivestream.com/volunteer/

Do other scientists ever get a rush of "I have the coolest job ever" after a fun research meeting or an awesome presentation by a mentee? In this uneasy scientific environment, it's so wonderful to be reminded why we do this work. 🌊 🧪

"In the 1980s, Sarmiento [was] one of the first... to discover the importance of the Southern Ocean in controlling the atmosphere's CO2 levels." 🌊 "[He] mentored an extraordinarily large number of young scientists, who thrived under his mentorship..." RIP, Jorge. www.princeton.edu/news/2026/05...

By the way, if somebody tries to tell you climate change is only a concern of "educated and affluent" liberals, you can show them this map. At least half the people in *every* US state, even the deep red ones, worry about it

For those who reached out asking how to help: This gofundme is specifically for graduate students who lost personal items, computers, tablets, etc. in the fire. We were told that these items are not retrievable or reimbursable -an added burden for students during a devastating time. Plz share 🌊💙

🌊 New paper alert! For the first time from space, two NASA missions enable us to observe plankton community composition alongside the physical processes that structure it. 🛰️ 🦠 🌀 Check it out from @tosoceanography.bsky.social: doi.org/10.5670/ocea...

🌊 It’s a sad day for @cmarinescience.bsky.social A lot of world class scientists (and me) have likely lost their life work as our main building surprsingly caught on fire today. We don’t know the scale of the loss, but it’s certainly very very bad. www.fox13news.com/st-petersbur...

Thank you @drkatemarvel.bsky.social for giving the inaugural Clough Global Change lecture at @gtsciences.bsky.social!

Our recent paper on using thermal imagery from geostationary satellites to infer surface currents was published! We call the method GOFLOW 🧪🌊 www.nature.com/articles/s41...

Nearing the end of semester two at Georgia Tech, and I am so grateful this team who does awesome science. As our group keeps growing, I will always value the work each of them - one amazing postdoc (@yangx309.bsky.social) and the spectacular GATO “undergrad army” - did to help get us off the ground.

doi.org/10.1021/acse... Thorough retrospective and touching tribute by John's long time collaborator, Rick Flagan (H/T @ryanward.bsky.social)

Since 2016, Antarctic sea ice extent has been declining sharply – now scientists are piecing together how strong winds and warm deep water have played a part in this abrupt transition

Fantastic morning at the Atlanta Science Festival, featuring the President of Georgia Tech stopping by the @gtsciences.bsky.social Earth & Atmospheric Sciences booth to learn about earthquakes and water filtration! 🧪🔬

30+ years ago, I learned an analytical technique as a summer intern that set the course of my career. Now, I'm the only scientist in the world still using it. The scientists we don't train today because of funding and program cuts from the Trump regime are the scientists we won't have in the future.

This should be the biggest weather and climate news on your radar today. You can send an email today to say why dismantling NCAR is a bad idea for everyone: [email protected]

One reason I love going to my grad school friends' weddings is because they inevitably play "We Found Love In A Hopeless Place" and the whole group on the dance floor is just like "yeah that's Caltech."

This is the second time Ito has had to step down over his ties to Epstein (first was from leading the MIT Media Lab in 2019). It’s notable he was able to get another leadership position. Really tells you something about how we as a society treat those who align themselves with sexual harassers.

My latest: www.science.org/doi/10.1126/... Next column will address needed guardrails for private funding of science, esp. in light of #Epstein/ #Summers etc.

Reconciliation begins with recognition of truths. Well done to the Kelvingrove Museum in Glasgow. 🏴󠁧󠁢󠁳󠁣󠁴󠁿

Thursday at #OSM26, I’ll be sharing our (with my team at @imas-utas.bsky.social ) work on a new approach for describing how sea ice retreat timing impact the spring bloom phenology and thus carbon cycle in the Weddell Sea by using data from @bgc-argo.bsky.social . See you at poster OB44K-0568!

Fresh off the preprint server! @maratimes.bsky.social and I show how data from the overlapping SWOT and PACE satellite missions present a step forward in our ability to observe linked biogeochemical-physical processes in the ocean. We look forward to chatting about this with folks at #OSM2026! 🌊

US CLIVAR is looking for new panel members! If you're interested in an opportunity to contribute your expertise, expand your network, and shape the future of climate science, we encourage you to apply! 📄 Learn more and apply: usclivar.org/2026-call-us... 🗓 Application deadline: March 23, 2026

Rejecting science, Trump reverses conclusion that climate change is harming Americans

As I say here, there is no scientific justification to revoke the engagement finding. In fact, over the last 15+ yrs, the evidence of how climate change affects our health has only grown. Higher risk of allergies, dementia, fertility, heart disease, and death: that’s what’s on the line. @nature.org

Surface ocean processes impact structure deep into the ocean interior. In our perspective paper, @maratimes.bsky.social, grad student Katarina Merk, and I discuss using physical perspectives to interpret subsurface biogeochemical distributions and why we as a community should care! 🌊

Italy did a nice job hosting the Olympics opening ceremony in four cities. 🔥 I propose the LA Olympics 2028 do the same: SoFi Stadium (Inglewood), Rose Bowl (Pasadena), somewhere in the Valley, and somewhere in Orange County.

After yrs of planning & preparing, things didn't work @ the last minute. I deeply feel for these scientists. Our Antarctic project is smaller scale—but we faced continuous setbacks, from govt, Mother Nature, tech. We get so little time to do our work here; setbacks are heartbreaking #oceanography 🇦🇶🌊

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To study the distribution of phytoplankton🦠 and marine snow❄️, we are sending a holographic camera down on the CTD rosette to a take a 3D image every second. Then we can reconstruct bio volume and export! The most common phytoplankton on this cruise has been Chaetoceros socialis (⬇️) #oceanography 🇦🇶🐧🌊

Know an awesome undergraduate student who would benefit from the opportunity to do research in the geosciences this summer? Applications are open for the Georgia Tech Broadening Participation REU (due February 15). 🌊 ☁️ 🌍 🧪

Science research vessel traffic jam in Punta Arenas! 🌊⛴️Currently around port are the RV Roger Revelle (USA), RSS Sir David Attenborough (UK), Icebreaker Noosfera (Ukraine), and Xue Long 2 (China). Soon we on the RV Sikuliaq (USA) will join the party!

A lullaby from the skies in the Magellan Straits last night. 🌊 ☁️

We’ve entered the Straits of Magellan, at the southern end of Chile. It’s absolutely beautiful!

51S, 94W: we have a new guest on board - a Nazca booby! Usually found near the Galapagos, this guy is far out of his typical range. Aptly, our stowaway is hanging out on the crow’s nest. Photo by Pablo Cohn.

2025 goes down as the ~3rd-warmest year on record (based on ERA5). Like in 2024, every single day this past year was warmer than the average of even the most recent reference period (1991-2020).

Know an undergraduate looking for an opportunity to get paid to do cryospheric or other geoscience research this summer? Let them know about the GT EAS Broadening Participation REU here in Atlanta. Now accepting applications through ETAP! easreu.eas.gatech.edu

It’s very biologically quiet out here on the South Pacific, but we got the company and blessing of a beautiful albatross earlier. 🌊 39S, 122W

Today's satellite shoutout 🛰️ is to NASA PACE, which gives us data of ocean color, biogeochemistry, and ecology! 🌊 🧪 Here is chlorophyll-a (signature of photosynthesizing plankton) along with ocean current magnitude and direction (arrows). The red dot is where I currently am on the RV Sikuliaq! ⛴️

Living a dream come true and chasing ocean eddies in real time thanks to the NASA SWOT satellite. 🌊 🛰️ ⛴️ 🧪 SWOT provides us "swaths" of data about water elevation for both the ocean and large freshwater reservoirs. I use this data to track small-scale ocean currents and watch how they evolve.

A Christmas gift to the ocean from the team aboard the RV Sikuliaq: one specially wrapped biogeochemical-Argo float from @bgc-argo.bsky.social! 🌊 Profiling floats allow us to get real-time ocean data, helping us be in tune with ocean health and changes.

Home for the next few weeks. Gotta say, Tahiti is a funny place to board an icebreaker! 🌊⛴️