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Oceanography News
September 28, 2020

Top Headlines
 

Warming Ocean, Old-Forest Loss Put a Squeeze on an Elusive Seabird

Squeezed by changing ocean conditions that limit their food options and the long-term loss of old forest needed for nesting, marbled murrelets would benefit most from conservation efforts that take ...

Marine Heatwaves Are Human-Made

Heatwaves in the world's oceans have become over 20 times more frequent due to human influence. This is what researchers are now able to demonstrate. Marine heatwaves destroy ecosystems and damage ...

Switching Up: Marine Bacteria Shift Between Lifestyles to Get the Best Resources

Researchers have found that marine bacteria exploit resource patches efficiently by switching between attached and planktonic lifestyles, and ...

Major Wind-Driven Ocean Currents Are Shifting Toward the Poles

The severe droughts in the USA and Australia are the first sign that the tropics, and their warm temperatures, are apparently expanding in the wake of climate ...
Latest Headlines
updated 12:07pm EDT

Earlier Headlines
 

Caribbean Islands Face Loss of Protection and Biodiversity as Seagrass Loses Terrain

Tropical islands have an important ally when it comes to battling storms and sea-level rise: seagrass. During hurricane Irma (2017), scientists witnessed how native seagrass meadows along the coast ...

Emissions Could Add 15 Inches to 2100 Sea Level Rise

An international effort that brought together more than 60 ice, ocean and atmosphere scientists from three dozen international institutions has generated new estimates of how much of an impact ...

How Much Will Polar Ice Sheets Add to Sea Level Rise?

Over 99% of terrestrial ice is bound up in the ice sheets covering Antarctic and Greenland. Even partial melting of this ice due to climate change will significantly contribute to sea level rise. But ...

Sea Ice Triggered the Little Ice Age

A new study finds a trigger for the Little Ice Age that cooled Europe from the 1300s through mid-1800s, and supports surprising model results suggesting that under the right conditions sudden climate ...

Ocean Acidification Puts Deep-Sea Coral Reefs at Risk of Collapse

Deep-sea coral reefs face challenges as changes to ocean chemistry triggered by climate change may cause their foundations to become brittle, a study ...

Marine Animals Live Where Ocean Is Most Breathable, Ranges May Shrink With Climate Change

New research shows that a wide variety of marine animals -- from vertebrates to crustaceans to mollusks -- already inhabit the maximum range of breathable ocean that their physiology will allow. The ...

Can Pumping Up Cold Water from Deep Within the Ocean Halt Coral Bleaching?

Rising ocean temperatures cause marine heat waves, which place stress on living coral animals, as well as the photosynthetic algae on which they depend for energy. A new study is showing potential ...

Ocean Algae Get 'Coup De Grace' from Viruses

Scientists have long believed that ocean viruses always quickly kill algae, but new research shows they live in harmony with algae and viruses provide a 'coup de grace' only when blooms of ...

A new study of an ancient period that is considered the closest natural analog to the era of modern human carbon emissions has found that massive volcanism sent great waves of carbon into the oceans ...

Antarctica: Cracks in the Ice

West Antarctica's Pine Island Glacier and Thwaites Glacier have been undergoing rapid changes, with potentially major consequences for rising sea levels. However, the processes that underlie ...

Arctic Transitioning to a New Climate State

The fast-warming Arctic has started to transition from a predominantly frozen state into an entirely different climate with significantly less sea ice, warmer temperatures, and more rain, according ...

Loss of Sea Otters Accelerating the Effects of Climate Change

The impacts of predator loss and climate change are combining to devastate living reefs that have defined Alaskan kelp forests for centuries, according to new ...

Scientists have compiled a continuous, high-fidelity record of variations in Earth's climate extending 66 million years into the past. The record reveals four distinctive climate states, which ...

$500 Billion Question: What's the Value of Studying the Ocean's Biological Carbon Pump?

A new study puts an economic value on the benefit of research to improve knowledge of the biological carbon pump and reduce the uncertainty of ocean carbon sequestration ...

New Corals Discovered in Deep-Sea Study of Great Barrier Reef Marine Park

For the first time, scientists have viewed the deepest regions of the Great Barrier Reef Marine Park, discovered five undescribed species consisting of black corals and sponges, and recorded ...

Deep Channels Link Ocean to Antarctic Glacier

Newly discovered deep seabed channels beneath Thwaites Glacier in West Antarctica may be the pathway for warm ocean water to melt the underside of the ice. Data from two research missions, using ...

Developing Models to Predict Storm Surges

Storm surges sometimes can increase coastal sea levels 10 feet or more, jeopardizing communities and businesses along the water, but new research shows there may be a way to predict periods when ...

'Wrong-Way' Migrations Stop Shellfish from Escaping Ocean Warming

Ocean warming is paradoxically driving bottom-dwelling invertebrates -- including sea scallops, blue mussels, surfclams and quahogs that are valuable to the shellfish industry -- into warmer waters ...

Saving Marine Life: Novel Method Quantifies the Effects of Plastic on Marine Wildlife

Scientists have developed a novel quantitative method to quantify the effects of plastic on marine animals. This method successfully shows that plastic ingestion by sea turtles might be causing ...

Researchers Track Nutrient Transport in the Gulf of Mexico

Researchers found no evidence that nitrate from the Mississippi-Atchafalaya River System is mixing across the Northern Gulf shelf into the open waters of the Gulf of Mexico. The findings are ...

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