JGR: Oceans
AGU Journal Official account
Advancing understanding of ocean processes.
Providing quality and integrity for authors, reviewers and readers.
Non-profit.
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- Reposted by JGR: OceansHydrothermal hydrogen! 🫧 An ROV dive revealed high levels of molecular hydrogen in vent fluids ejected from a bubbly ridge in the Norwegian Sea. 🧪 New research from Alexander Diehl @marumunibremen.bsky.social + colleagues; comments from Jeffrey Seewald @whoi.edu. eos.org/articles/a-m...
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- Downscaling is a common technique used in ocean prediction models to take large-scale information and refine it for local applications. Eidt et al., test the performance of a downscaling technique in the Northern Adriatic Sea 🌊 agupubs.onlinelibrary.wiley.com/doi/10.1029/...
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- Reposted by JGR: OceansKey findings: 🔥 Summer: Most heat flows toward glaciers, concentrated in the upper 150 m thanks to subglacial discharge. 🌀 Winter: Circulation is surprisingly strong but more 3D than in summer. ➡️ Two distinct winter inflow events: one cold & deep, one relatively warm!
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- Reposted by JGR: OceansDo alkalinity or nutrient levels have a bigger impact on marine phytoplankton? New research from @eth-eaps.bsky.social provides answers, with ramifications for oceanic carbon cycles and climate change. eos.org/research-spo...
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- The ocean beneath ice shelves plays a critical role in their evolution and stability. Xiahou et al., describe a 4.5-year record of ocean measurements beneath the central Ross Ice Shelf to evaluate how the cavity seawater changes over time 🌊 agupubs.onlinelibrary.wiley.com/doi/10.1029/...
- Landfast sea ice provides a platform for human activities, habitat for shorebirds and marine mammals, and protection from coastal erosion. Mahoney and Einhorn reveal diminishing landfast sea ice in the Beaufort Sea 🌊 agupubs.onlinelibrary.wiley.com/doi/10.1029/...
- The deep parts of the Arctic's Canada and Makarov Basins are among the most isolated waters in the ocean. Pasqualini et al., use tracer measurements to suggest that the last major flushing of deep water happened about 450 years ago 🌊 agupubs.onlinelibrary.wiley.com/doi/10.1029/...
- Icebergs provide a source of fresh meltwater to the polar ocean. Understanding how and when icebergs decay is critical to understanding their role in the climate system. Mamer and Robel investigate the role of surface waves in melting icebergs 🌊 agupubs.onlinelibrary.wiley.com/doi/10.1029/...
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- 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/...
- Reposted by JGR: OceansWe had another great year observing #OceanAcidification around #Alaska! Thank you to all the students, communities, funding agencies, and collaborators for partnering with us. #FieldworkFriday 🧪🌊🦑🙌🐻❄️🍀
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- 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/...
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- 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/...
- Reposted by JGR: OceansToday we are running seawater samples from the Fall Bering Sea #EcoFOCI mooring cruise. #FieldworkFriday 🧪🌊🦑 www.ecofoci.noaa.gov
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- 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/...
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- 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/...
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- Reposted by JGR: OceansToday 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/...
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- 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/...
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- 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/...
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- 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/...
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- 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/...
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