How do you look for evidence of a Switzerland-sized landslide that took place underwater about 400,000 years ago? First you become a geoscientist. eos.org/articles/new...

As the upper ocean warms, this might enhance stratification and suppress exchange between the near-surface and deeper ocean layers. Kawai et al., investigate subduction and obduction rates in the North Pacific and find both are increasing 🌊 agupubs.onlinelibrary.wiley.com/doi/10.1029/...

We had another great year observing #OceanAcidification around #Alaska! Thank you to all the students, communities, funding agencies, and collaborators for partnering with us. #FieldworkFriday 🧪🌊🦑🙌🐻‍❄️🍀

Singer and artist Jewel worked with NASA to create an eight-foot resin sculpture and soundscape informed by Atlantic Ocean data. She discussed the work at #AGU25 🌊 ✨💎 eos.org/research-and...

Biogeochemical models are generally less skillful than their physical counterparts. Kearney et al., compare the performance of 3 biogeochemical models in a Bering Sea case study. Zooplankton parameters were a key driver of model divergences 🌊 agupubs.onlinelibrary.wiley.com/doi/10.1029/...

New research found a wintertime spike in iron levels in the ocean around Hawaii. What’s going on?

Mangroves grown in recycled glass sand grew just as well as those grown in dredged sediment. #AGU25

Greenland's fjords are pathways for exchange of heat and freshwater between the continental shelf and outlet glaciers of the Greenland Ice Sheet. Vries et al., present year-round water column velocity observations for Nuup Kangerlua in SW Greenland 🌊 agupubs.onlinelibrary.wiley.com/doi/10.1029/...

Today we are running seawater samples from the Fall Bering Sea #EcoFOCI mooring cruise. #FieldworkFriday 🧪🌊🦑 www.ecofoci.noaa.gov

Ready to amplify your research impact?📢 Join our interactive session to learn how to communicate your science clearly and effectively! 🔗 buff.ly/lgsAuqg #AGU25 #AGUPubs #SciComm

Nares Strait is an export pathway of Arctic sea ice where transport is highly intermittent due to formation & collapse of sea ice arches. Montemuro & Manucharyan model how the presence of small islands in the strait affects the movement of sea ice 🌊 agupubs.onlinelibrary.wiley.com/doi/10.1029/...

Join us for an interactive session on becoming a constructive peer reviewer at #AGU25! 📝 Designed for #EarlyCareer researchers, these sessions will cover key principles, tone management, and AGU’s co-reviewer program. 🔗 buff.ly/5yk1Gkt #AGUPubs #PeerReview

Don’t miss this #AGU25 oral session on the future of geoscience. AGU CEO Janice Lachance, #MIT’s Maria Zuber & @nasonline.org President Marcia McNutt discuss challenges, blind spots & restoring public trust—moderated by Gordon E. Grant. buff.ly/CiYWfbZ

Changing circulation patterns in the Arctic Ocean could affect weather thousands of miles away. Researchers dig into the details in new work. eos.org/research-spo...

Calling early career researchers!📢 At #AGU25, learn how to craft a paper, from outlining to creating accessible figures. Engage with editors and get insights on manuscript submissions and the peer review process. 🔗 buff.ly/0toa7LR #AGUPubs #EarlyCareer #PeerReview

Stress–strain relationships are fundamental to understanding sea ice deformation mechanics. Fedders et al., use in-situ sensors to obtain stress and strain measurements at the ice surface, constraining these values under natural conditions 🌊 agupubs.onlinelibrary.wiley.com/doi/10.1029/...

Using eXpendable BathyThermographs (XBTs) and Argo temperature data during summer between 2004 and 2020, Hu et al., characterize temperature change in the Southern Ocean from South Africa to Antarctica 🌊 agupubs.onlinelibrary.wiley.com/doi/10.1029/...

A new effort is establishing Southeast Asia’s first coral cryobanks. These frozen repositories can preserve coral from increasingly inhospitable oceans.

In a new Perspectives article, Dr. Maggie Xenopoulos, Editor-in-Chief of @jgrbiogeo.bsky.social, reflects on the dramatic changes to the scholarly publishing environment that have occurred over the past 25 years. 🔗 buff.ly/MuVthAy #AG#AGUPubsc#ScholarlyPublishingu#Publishinga#EarthScience

🌊🦠#FieldworkFriday Team work makes the dream work! We asked our cruise team and they agree - team work is essential for troubleshooting and creating a positive environment for all on board 🚢, laying the groundwork for forging lasting connections that last beyond the cruise! 🧪

Today we are running the last of the seawater samples from the Distributed Biological Observatory project. The research cruise is on the UAF RV Sikuliaq in the Pacific Arctic. #FieldworkFriday 🧪🌊🦑🐻‍❄️ @uafairbanks.bsky.social Sikuliaq is an Iñupiaq word for "young sea ice". 📸 S. Sandy and E. Roth

Nares Strait is a gateway for the export of Arctic waters to the North Atlantic. Yet the long-term evolution of its water masses is poorly characterized. Barut et al., use data from 2006–2024 to resolve temporal variability in key mass properties 🐻‍❄️ 🌊 agupubs.onlinelibrary.wiley.com/doi/10.1029/...

The Antarctic Circumpolar Current circling Antarctica is mainly driven by the strong Southern Hemisphere Westerly winds. Schiavon et al., use model simulations to test whether the main frontal jets will shift southwards under climate change 🌊 agupubs.onlinelibrary.wiley.com/doi/10.1029/...

Thinking about publishing your work with AGU? Sign up for a 15 minute 1-on-1 meeting with an AGU editor at #AGU25 for advice on finding the right journal and submitting your work! 🔗 buff.ly/89flzjc #AGUPubs #EarlyCareer

Landslide-generated tsunamis represent a significant hazard in coastal, fjord, and lake environments. Romano et al., use a combination of 2D and 3D models to simulate tsunamis induced by granular landslides in complex geometries 🌊 agupubs.onlinelibrary.wiley.com/doi/10.1029/...

Field photo Friday. Polar Bear on sea ice in northern Chuckchi Sea/southern Arctic Ocean (I can’t remember exactly where). Photo taken from USCGC Polar Sea on AWS ‘98 cruise. 🧪⚒️🥼❄️🌊

Pumice rafts are floating mats of volcanic rock from the eruption of underwater or coastal volcanoes. Monteath et al., analyze the chemistry of pumice from the Falkland Islands and trace its origin from ∼20,000 km away in the South Sandwich Islands 🌊 agupubs.onlinelibrary.wiley.com/doi/10.1029/...

Scientists found a missing source of the ocean’s dissolved black carbon. eos.org/research-spo... Read more in our year-end issue: bit.ly/Eos-Nov-Dec2025

The "nutritional value" of glacial runoff is changing. Researchers found meltwater from retreating glaciers delivers sediment with lower concentrations of usable iron and manganese to coastal ecosystems. ❄️🧪 eos.org/articles/gla...

Wave-driven flows like rip currents disperse particulates seaward from the surfzone and create a turbid nearshore zone. Speiser et al., use Sentinel-2 imagery to reveal the drivers of turbid nearshore zone dynamics in north California 🌊 agupubs.onlinelibrary.wiley.com/doi/10.1029/...

Moving people and equipment during fieldwork can be difficult during the best of times. For the MOSAiC team, inclement weather, polar night, and their location directly on the sea ice provided unique challenges for transportation. #FieldworkFriday 📸: Matthew Shupe/CIRES

2/ But what drives the intrusions of warm water onto Antarctica’s continental shelf, where they can destabilise glaciers? A new study in @jgroceans.bsky.social led by Natalia Ribeiro @imos-aus.bsky.social uses a model to simulate how warm water gets into Vincennes Bay. ▶️ doi.org/10.1029/2025...

Thousands of industrial sites containing hazardous materials are at risk of flooding this century, putting nearby communities at risk. eos.org/research-and...

Ortega et al. (2025) used high-resolution seasonal data to analyze the spatiotemporal distribution of nutrients in the Northern Gulf of Alaska, providing new insights into nutrient delivery processes. 🔗Check out their #OpenAccess study: doi.org/10.1029/2025... #AGUPubs #Alaska

If meltwater forms deep in the ocean it can be supercooled and freeze into platelet ice crystals, which contribute to sea ice formation. Brett et al., find thick bands of platelet ice formed from Ice Shelf Water released by the Campbell Ice Tongue 🌊 agupubs.onlinelibrary.wiley.com/doi/10.1029/...

Science fraud is on the rise, facilitated by for-profit, open-access journals (Richardson et al, 2025, PNAS). These same journals are accelerating author and reviewer burnout by profiting from quantity while neglecting quality. Choose society journals where reputation and community are everything!

Tactical decision game strategies could help coastal planners better prepare for sea level rise. New research in #AGUPubs by @jweeksclimate.bsky.social @metoffice.gov.uk and colleagues. eos.org/research-spo...

Want to publish in a high-quality AGU journal but worried about publication fees? Don't be, we still want your science! If you are not able to pay the publication fees, you may request a fee waiver. Please email the journal and our staff will assist you. authorservices.wiley.com/author-resou...

Are you a dynamic, organized ocean scientist and an enthusiastic writer and communicator? Lead and serve your community as an editor @jgr-oceans! Follow this link to apply tinyurl.com/OceansEditors

Cold, fresh waters from the south may have tunneled into the Pacific’s depths 1.5 million years ago. New research from Jacek Raddatz @geomarkiel.bsky.social & colleagues, input from @luongomatt.bsky.social at the University of Washington. eos.org/articles/oce...

In JGR Oceans (2025), Stephen Kelly, Ekaterina Popova, Andrew Yool, Fatma Jebri, Sophy Oliver and Meric Srokosz show that the North Atlantic Bloom 🌊 may face abrupt shifts this century🐟 agupubs.onlinelibrary.wiley.com/doi/10.1029/...

Ocean mesoscale eddies are the most important agent of horizontal mixing across oceanic fronts. Bashmachnikov et al., investigate the effect of eddies on sea ice cover in the Greenland Sea finding that eddies limit the eastward spread of ice 🧊 🐻‍❄️ 🌊 agupubs.onlinelibrary.wiley.com/doi/10.1029/...

Nitrogen fixation by diazotrophs is important for the long-term productivity of the ocean. Jiang et al., investigate diazotrophic diversity and distribution in the Indian Ocean finding intense Trichodesmium blooms in the southern Andaman Sea 🌊 agupubs.onlinelibrary.wiley.com/doi/10.1029/...

The seabed rarely consists solely of bare sand: often other materials, such as shells are present. Kooistra et al., show shells have marked effects on bed roughness and sand transport 🐚 🌊 agupubs.onlinelibrary.wiley.com/doi/10.1029/...

🗞️ Applications are now open for the 2026 AAAS Mass Media Science & Engineering Fellowship! (@aaasmassmedia.bsky.social) Spend 10 weeks in a newsroom translating science for the public. Apply by Jan 1, 2026 ➡️ buff.ly/r8c6ybG #AGU #AAASMassMedia #ScienceCommunication #MassMediaFellowship

🆕OCEAN ICE Publication: Freshwater Sources in the Global Ocean Through Salinity-δ18O Relationships: A Machine Learning Solution to a Water Mass Problem 🌊 Read the article here to get a summary of this great paper: ocean-ice.eu/ocean-i...

“The Great Dying” wiped out 81% of all marine life hundreds of millions of years ago. New @aguadvances.bsky.social research suggests some phytoplankton may have survived by heading north. eos.org/research-spo...

Submarine canyons are incisions of the continental slope that favor exchange of coastal and abyssal waters. Brun et al., present new work from the Cassidaigne canyon showing its key role for vertical exchange in the Mediterranean 🌊 agupubs.onlinelibrary.wiley.com/doi/10.1029/...

A new special collection welcomes articles that showcase the broad range of solutions-focused research and capacity-sharing efforts that meet the UN Ocean Decade's vision: "the science we need for the ocean we want."🌊 🔗 buff.ly/At7u9GB #AGUPubs #OceanDecade @tosoceanography.bsky.social @aslo.org

The southeastern Arabian Sea experienced a record-breaking marine heatwave from November 2015 to May 2016, with severe coral bleaching and widespread ecosystem damage. Liang & Zhan study the atmospheric and oceanic mechanisms driving heatwaves in this region 🌊