Category: Arctic & Antarctic

Why High-Latitude Marine Heatwaves are Supercharging Coastal Carbon Sinks

Figure 1 from Hu et al. (2026). a Spatial distribution of averaged air–sea CO2 flux anomalies (mol C m−2 yr−1) during MHW months across the global coastal ocean, derived from the observation-based ULB–SOM–FFN–coastalv2 dataset. Positive anomalies indicate enhanced CO2 outgassing or reduced uptake, whereas negative anomalies represent enhanced uptake or reduced outgassing. b Integrated CO2 flux anomalies (Tg C) across 45 coastal... Continue Reading →

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New Study Reveals Key Local Blind Spots in Climate Model Projections

Fig. 2 from Aru et al. (2026): Partitioning of observed SAT trend patterns into external forcing and internal variability. (A) Total, (B) external forcing, and (C) internal variability observed SAT trend patterns for the most recent (D to F) 30-year (1993–2022) periods, respectively, by regressing observed local anomalies against the 1850–2022 MMLE GSAT time series. Hatched regions... Continue Reading →

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The Rise and Fall of the Arctic Meridional Overturning Circulation (ArcMOC)

Fig. 13. from Bretones et al. (2022): Sketch summarizing the evolution of the deep mixing and the ArcMOC under the retreat of the sea ice edge. (a) During T0: 1970–80 there is deep convection on both sides of the Greenland–Scotland ridge. Both AMOC and ArcMOC are present, but the ArcMOC extent is limited by the... Continue Reading →

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Smart-Tech Race to Measure the AMOC with Microscopic Precision

This blog post and the “Deep Dive” podcast, created by NotebookLM, are based on “Strengthening connections in observing the North Atlantic Meridional Overturning Circulation: Outcomes from a joint RAPID-OSNAP workshop" by Foukal et al. (2025). This article summarizes the findings of a collaborative workshop held in 2025 to harmonize the efforts of the RAPID and... Continue Reading →

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The Atlantic’s Deep-Sea Time Capsule: Why the Depths are Cooling in a Warming World

This blog post and the “Deep Dive” podcast, created by NotebookLM, are based on “Deep ocean cooling and freshening from Subpolar North Atlantic reaches Subtropics at 26.5°N” by Chomiak et al. (2025). Chomiak et al. (2025) identifies a surprising cooling and freshening trend in the deep waters of the Subtropical North Atlantic, specifically at the... Continue Reading →

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Melting of the Arctic and Greenland ice sheets triggers rapid subsurface warming in the North Atlantic and Nordic Seas

This blog post and the “Deep Dive” podcast, created by NotebookLM, are based on “Rapid subsurface warming in the subpolar North Atlantic from freshening" by Menviel et al. (2026). Menzviel et al. (2026) study explores how increased freshwater from melting Arctic ice and the Greenland Ice Sheet triggers rapid subsurface warming in the subpolar North Atlantic.... Continue Reading →

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The Arctic’s ‘Cooling Machine’ Isn’t Broken, But Reaching Its Limit

This blog post and the “Deep Dive” podcast, created by NotebookLM, are based on “Increased ocean heat transport to the central Arctic despite a well working Barents Sea Cooling Machine" by Eisner et al. (2026). This study uses the SODA4 reanalysis to examine a forty-year increase in ocean heat transport from the Barents Sea into the central Arctic. Researchers... Continue Reading →

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Is Arctic Atlantification Weakening the Atlantic’s Conveyor Belt?

This blog post and the “Deep Dive” podcast, created by NotebookLM, are based on “Interactions between the Arctic Mediterranean and the Atlantic Meridional Overturning Circulation: A review” by Weijer et al. (2022). This brief review article discusses the critical relationship between the Atlantic Meridional Overturning Circulation (AMOC) and the Arctic Mediterranean, highlighting how their interaction regulates the Earth's... Continue Reading →

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The Great Ocean Sync: How Melting Arctic Ice Links the World’s Most Powerful Currents

This blog post and the “Deep Dive” podcast, created by NotebookLM, are based on “Evolving synchronization of the Gulf Stream and Kuroshio-Oyashio Extension in a changing climate” by Joh et al. (2026). This research article by Joh et al. (2026) investigates the decadal and seasonal synchronization between two major ocean currents: the Gulf Stream and the Kuroshio-Oyashio Extension. Using historical... Continue Reading →

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The Great Melt: Uncovering the Hidden Forces Reshaping Antarctica’s Underbelly

This blog post and the “Deep Dive” podcast, created by NotebookLM, are based on “Multi-model estimate of Antarctic ice-shelf basal mass budget and ocean drivers” by Galton-Fenzi et al. (2026). This research paper presents the Realistic Ice Shelf-Ocean Estimates (RISE) Project, which synthesizes nine different numerical simulations to establish a multi-model mean (MMM) of Antarctic... Continue Reading →

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