Oceanography News

May 22, 2025

Top Headlines

Climate Change Poses Severe Threat to Bowhead Whale Habitat

May 22, 2025 — New research examining 11,700 years of bowhead whale persistence throughout the Arctic projects that sea ice loss due to climate change will cause their habitat to severely contract by up to 75 per ...

Imaging Technique Removes the Effect of Water in Underwater Scenes

May 21, 2025 — SeaSplat is an image-analysis tool that cuts through the ocean's optical effects to generate images of underwater environments reveal an ocean scene's true colors. Researchers paired the color-correcting tool with a computational model that converts ...

Fool's Gold: A Hidden Climate Stabilizer

May 21, 2025 — Researchers look to extremes in the past to study how the system reacts to imbalances. They detail an overlooked mechanism for how the ocean can help stabilize massive releases of carbon into the atmosphere following volcanic ...

Scientists Use Salinity to Trace Changes in the US Northeast Coastal Ocean

May 19, 2025 — The near-bottom water on the U.S. Northeast continental shelf provides a critical cold-water habitat for the rich regional marine ecosystem. This 'cold pool' preserves winter temperatures, even when waters elsewhere become too warm or salty during ...

Latest Headlines

updated 10:50pm EDT

Glaciers Will Take Centuries to Recover Even If Global Warming Is Reversed, Scientists Warn

May 19, 2025 — New research reveals mountain glaciers across the globe will not recover for centuries -- even if human intervention cools the planet back to the 1.5 ...

Study Reveals Healing the Ozone Hole Helps the Southern Ocean Take Up Carbon

May 16, 2025 — New research suggests that the negative effects of the ozone hole on the carbon uptake of the Southern Ocean are reversible, but only if greenhouse ...

Scientists Use Fossils to Assess the Health of Florida's Largest Remaining Seagrass Bed: Surprisingly, It's Doing Well!

May 15, 2025 — A new study shows that seagrass ecosystems along the northern half of Florida's Gulf Coast have remained relatively healthy and undisturbed for the ...

Rising Temperatures Lead to Unexpectedly Rapid Carbon Release from Soils

May 16, 2025 — How sensitively does organic carbon stored in soils react to changes in temperature and ...

Ancient Ocean Sediments Link Changes in Currents to Cooling of Northern Hemisphere 3.6 Million Years Ago

May 16, 2025 — New research from an international group looking at ancient sediment cores in the North Atlantic has for the first time shown a strong correlation ...

Sharp Depletion in Soil Moisture Drives Land Water to Flow Into Oceans, Contributing to Sea Level Rise

May 14, 2025 — The increasing frequency of once-in-a-decade agricultural and ecological drought has underscored the urgency of studying hydrological changes. A ...

Submarine Robot Catches an Underwater Wave

May 12, 2025 — Engineers have taught a simple submarine robot to take advantage of turbulent forces to propel itself through ...

It's Not Just El Niño: New Climate Phenomenon Impacts Hawai'i Rainfall

May 12, 2025 — El Nino-Southern Oscillation (ENSO) is known to have a significant impact on climate across the Pacific, including Hawai'i, and adjacent continents. However, atmospheric scientists have now revealed ...

Internal Clocks Determine the Ups and Downs of Antarctic Krill

May 9, 2025 — Antarctic krill do not only react to external environmental influences such as light or food. They also use their internal clock to adapt to the extreme conditions of the polar ...

Scottish Shrimp Study Illuminates New Potential for Bait-Less Fishing

May 8, 2025 — Fishing pots fitted with LED lights catch significantly more shrimp and fish, new research ...

Database Reveals Vital Ocean Links to Aid Conservation

May 8, 2025 — Scientists have launched an interactive global map to show the migratory patterns of more than 100 marine species in an effort to protect at-risk ...

Satellites Observe Glacier Committing 'Ice Piracy'

May 8, 2025 — A glacier in Antarctica is committing 'ice piracy' -- stealing ice from a neighbor -- in a phenomenon that has never been observed in such a short time frame, say ...

2024 Sea Level 'Report Cards' Map Futures of US Coastal Communities

May 6, 2025 — Researchers have released their 2024 U.S. sea level 'report cards,' providing updated analyses of sea level trends and projections for 36 coastal communities. Encompassing 55 years of ...

Artificial Oxygen Supply in Coastal Waters: A Hope With Risks

May 5, 2025 — Could the artificial introduction of oxygen revitalise dying coastal waters? While oxygenation approaches have already been proven successful in lakes, their potential side effects must be carefully ...

Loss of Sea Ice Alters the Colors of Light in the Ocean

May 2, 2025 — The disappearance of sea ice in polar regions due to global warming not only increases the amount of light entering the ocean, but also changes its color. These changes have far-reaching consequences ...

Oceans Are Heating Faster in Two Bands Stretching Around Globe

May 1, 2025 — The world's oceans are heating faster in two bands stretching around the globe, one in the southern hemisphere and one in the north, according to climate ...

One of Earth's Ancient Volcanic Mysteries Solved

Apr. 30, 2025 — A new study traces a 120-million-year-old 'super-eruption' to its source, offering new insights into Earth's complex geological ...

'Scratching' More Than the Ocean's Surface to Map Global Microplastic Movement

Apr. 30, 2025 — An international team of scientists has moved beyond just 'scratching the surface,' to understand how microplastics move through and impact the global ocean. For the first time, scientists ...

When Sea Stars Fall, Sea Otters Rise: Sea Otters Benefit from Prey Boom Triggered by Loss of Ochre Sea Stars

Apr. 30, 2025 — In 2013, a sea star wasting syndrome decimated populations of Pisaster along the west coast of North America and along the Monterey Peninsula in California, where this study was conducted. The orange ...

Extreme Monsoon Changes Threaten the Bay of Bengal's Role as a Critical Food Source

Apr. 28, 2025 — New research has revealed that expected, extreme changes in India's summer monsoon could drastically hamper the Bay of Bengal's ability to support a crucial element of the region's ...

Flood Risk Increasing in Pacific Northwest

Apr. 28, 2025 — A powerful earthquake, combined with rising sea levels, could significantly increase flood risks in the Pacific Northwest, impacting thousands of residents and properties in northern California, ...

'Cryosphere Meltdown' Will Impact Arctic Marine Carbon Cycles and Ecosystems, New Study Warns

Apr. 25, 2025 — A new study has found worrying signs that climate change may be undermining the capacity of Arctic fjords to serve as effective carbon sinks. The findings suggest that the capacity of polar oceans to ...

Trawling-Induced Sediment Resuspension Reduces CO2 Uptake

Apr. 24, 2025 — When bottom trawls are dragged across the seafloor, they stir up sediments. This not only releases previously stored organic carbon, but also intensifies the oxidation of pyrite, a mineral present in ...

Why Are Patagonian Glaciers Rapidly Losing Mass?

Apr. 23, 2025 — Over the past two decades, satellite-based planetary observations have recorded rapid mass loss of Patagonian glaciers, contributing approximately 0.07 mm per year to global sea-level rise. A study ...

Melting Glaciers at the End of the Ice Age May Have Sped Up Continental Drift, Fueled Volcanic Eruptions

Apr. 23, 2025 — Scientists believe that the motion of Earth's continents through plate tectonics has been largely steady over millions of years. New research, however, suggests this drift can speed up or slow ...

How Activity in Earth's Mantle Led the Ancient Ancestors of Elephants, Giraffes, and Humans Into Asia and Africa

Apr. 21, 2025 — What roils beneath the Earth's surface may feel a world away, but the activity can help forge land masses that dictate ocean circulation, climate patterns, and even animal activity and ...

First Confirmed Footage of a Colossal Squid -- And It's a Baby!

Apr. 16, 2025 — An international team of scientists and crew on board Schmidt Ocean Institute's research vessel Falkor (too) was the first to film the colossal squid (Mesonychoteuthis hamiltoni) in its natural ...

Pioneering Research Reveals Arctic Matter Pathways Poised for Major Shifts Amidst Climate Change

Apr. 14, 2025 — A new study has shed unprecedented light on the highly variable and climate-sensitive routes that substances from Siberian rivers use to travel across the Arctic Ocean. The findings raise fresh ...

Fishing for Cephalopod DNA Allows for Efficient Marine Surveying

Apr. 14, 2025 — New DNA probes allow for efficient surveying of the hidden lives of squids and octopuses in the deep sea. This development provides an effective tool for marine ecological research and conservation ...

Deep-Sea Mining Risks Leads Study to Urge Shift to Circular Solutions

Apr. 14, 2025 — Deep sea mining operations are expected to increase the negative impact on environmental indicators by up to 13 per cent, a change categorized as having 'great' significance, relative to ...