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Looks can be deceiving: Why high coral cover does not always mean high reef...

When most people imagine a coral reef, they picture clear, warm, sunny tropical waters. However, the coral communities of Hong Kong live in a vastly different setting. In the shadows of one of the most...

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Book Review: Invisible Women by Caroline Criado Perez

Our previous book recommendations were the nonfiction books Blue Machine – How the Ocean Shapes our World by Helen Czerski and Below the Edge of Darkness by Edith Widder as well as the thriller The...

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When the atmosphere moves the sea: Meteotsunami waves

Meteotsunamis or meteorological tsunamis are globally occurring progressive shallow water waves with a period of between 2 to 120 minutes which results from an air-sea interaction. They tend to be...

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More Than a Rain Gauge: When Salt Starts Steering the Sea

Posted in: Ocean Sciences | Reviews & Perspectives | Ocean Science Jubilee Special Issue We usually think of ocean salinity as the ocean’s rain gauge. Rain, rivers, and melting ice freshen the...

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Fifty years of ocean chemistry in one place: GLODAPv3 is here!

Working with marine carbonate-system observations has taught me how much effort lies behind every row of an oceanographic dataset: long hours at sea, careful sampling, laboratory analyses, calibration...

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Can the Ocean Explain Why Climate Models Struggle with the Indian Monsoon?

Few climate phenomena affect as many people as the Indian Summer Monsoon (ISM). Between June and September, it delivers most of the annual rainfall over the Indian subcontinent, supporting agriculture,...

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Book Review: The Swarm by Frank Schätzing

So far, our reading adventures have kept us close to reality with Blue Machine by Helen Czerski and Below the Edge of Darkness by Edith Widder. Now, we are turning to a work of fiction. The author did...

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Join the EGU Ocean Sciences blog team 🌊

The EGU Ocean Sciences division blog is looking for new volunteer editors. So far, the team consists of two early career scientists, Jacqueline and Maurie — both working in ocean biogeochemistry — and...

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Meet Tillys Petit, EGU Ocean Sciences’ 2026 Outstanding Early Career...

On Monday 4 May, Tillys Petit delivered the OS Division Outstanding Early Career Scientist Award Lecture at EGU 2026 in Vienna. We chatted with her about the hidden engines driving the Atlantic...

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Beyond wind speed: what really controls air-sea gas exchange?

When we think about what drives air-sea gas exchange (such as CO2), wind usually gets all the credit. Strong winds stir the surface, enhance turbulence, and speed up gas transfer. But a new study in...

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New Unified Interface for Existing Ocean Carbonate Chemistry Data Products

Here is a great resource for anyone working on ocean carbon: Jiang et al. (2026) compiled a comprehensive synthesis of data products for ocean carbonate chemistry — all in one place for you! The paper...

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How atmospheric circulation patterns high above the Southern Ocean influence...

The ocean surrounding Antarctica plays a crucial role in the climate system. Along parts of the Antarctic coast, very cold and salty water becomes dense enough to sink all the way to the ocean floor....

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A synergy of observations: Filling the gaps in an ocean colour chlorophyll-a...

Chlorophyll-a (chl-a), as the dominant photosynthetic pigment within phytoplankton, provides an indication of the phytoplankton biomass and are essential for understanding global and regional changes...

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From Signals to the Sea: Building an AI Sound Library for the Ocean

We chatted with Bram Cuyx, an underwater acoustics AI research engineer at the Flanders Marine Institute (VLIZ) in Belgium, about his unique path from engineering into marine science. In this...

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A Record-Breaking Indian Ocean Dipole: What Happened in 2021–2022?

The Indian Ocean Dipole (IOD) is generally considered a seasonal mode of variability, developing and decaying within a single year. During 2021–2022, however, negative IOD conditions persisted for...

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How do mesoscale eddies modulate CO2 fluxes in the Southern Ocean?

Mesoscale eddies and Southern Ocean carbon sink The Southern Ocean takes up more than a quarter of the anthropogenic CO₂. Its powerful westerly winds, deep overturning circulation, and intense mixing...

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Meet Arianna, the New Voice as ECS OS Representative!

Meet the new Early Career Scientist (ECS) Representative for the Ocean Sciences (OS) division: Arianna Olivelli! In this role, she is dedicated to connecting, supporting, and advocating for early...

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A model to trace methane from the seafloor to the atmosphere

When people picture gas leaking from the seafloor, they often imagine plumes of bubbles that make up a direct path from the seabed to the sky. The reality, however, is far more complex and far more...

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Call for input: A Fisherman’s Guide to Marine Carbon Dioxide Removal

As climate change continues to reshape our oceans, science communication remains vital to the research and development of mitigation strategies. For scientists and engineers working on climate...

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Where Freshwater Meets the Fjord: Researching Carbon in a Changing Arctic

We sat down with Henry Henson, a PhD student at Aarhus University, whose path led from an early love of nature to studying the frontlines of climate change in the Arctic. Henry works with both Aarhus...

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