Oceanography, climate & fisheries

By S. McClatchie | Scientific information on climate variability, multidisciplinary ocean science and fisheries resources from a non-advocacy view point.

Sharks can live a lot longer than researchers realized

Errors in past studies could undermine conservation plans.<p>Many sharks are living much longer than was thought, according to a major review of studies …

Fish

Satellites measuring Earth’s melting ice sheets to go dark

A sentinel of Earth’s climate is going dark. After running for a decade beyond its planned life, the Gravity Recovery and Climate Experiment (GRACE) …

Global Warming

Old fish few and far between under fishing pressure

Like old-growth trees in a forest, old fish in the ocean play important roles in the diversity and stability of marine ecosystems. Critically, the …

Fishing

Monitoring Ocean Change in the 21st Century

Ocean temperature and chemistry changes strongly influence the well-being of organisms and the composition of marine food webs. Since the …

Climate Change

Are countries being honest about their carbon emissions? Satellites could tell

It’s all fine and good to sign a climate treaty, but how do you know whether a country is keeping its word? Track it from space. Researchers have …

Climate

Ship exhaust makes oceanic thunderstorms more intense

Lightning near an aircraft carrier in the Strait of Malacca. New research finds lightning strokes occurred nearly twice as often directly above …

Indian Ocean

Desert locusts: new risks in the light of climate change

The desert locust is an invasive species that is both well known and feared because of the large-scale agricultural damage it can cause. It is …

Climate Change

Biodiversity Proves Its Real-World Value | Newsdesk

Hundreds of experiments have shown biodiversity fosters healthier, more productive ecosystems. But many experts doubted whether these experiments …

Ecology

New Model of Climate-Change Effects on Coffee Availability and Bee Pollinators | Newsdesk

Areas in Latin America suitable for growing coffee face predicted declines of 73-88 percent by 2050. However, diversity in bee species may save the …

Bees

Longer, stronger summers in the Gulf of Maine

Summer is coming to the Gulf of Maine, longer and warmer than ever — as much as two months longer. That’s the message of a new research article by a …

Climate Change

Ancient tree reveals cause of spike in Arctic temperature: 30,000 year old kauri tree reveals atmospheric mechanism that led to Dansgaard-Oeschger event during last glacial period

30,000 year old kauri tree reveals atmospheric mechanism that led to Dansgaard-Oeschger event during last glacial period<p>A kauri tree trapped in a New …

Climate Change

NASA Flights Map Summer Melt of Greenland Land Ice

Operation IceBridge is flying in Greenland to measure how much ice has melted over the course of the summer from the ice sheet. The flights, which …

Greenland

Climate change challenges the survival of fish across the world

UW News<p>Fish species in many river systems (John Day River pictured above) will face the challenge of coping with warmer waters in the …

Climate Change

New Technique Offers Clues to Measure Ocean Deoxygenation

The living, breathing ocean may be slowly starting to suffocate. More than two percent of the ocean’s oxygen content has been depleted during the …

Oceans

Scientists: IPCC Process Takes Too Long, Needs to Be More Efficient and Agile

The sweeping multi-year assessments produced by the Intergovernmental Panel on Climate Change set the gold standard for global scientific consensus …

Climate

Hundreds of dead birds found on Bering Sea shores

Hundreds of dead seabirds have been found washed ashore on sites from islands in the Bering Sea to villages north of the Bering Strait, signs of …

Oceans

Our Hurricane Risk Models Are Dangerously Out-of-Date - MIT Technology Review

Last week, researchers at the University of California, Davis, overlaid FEMA's flood-zone maps on top of satellite imagery of the devastating …

Climate Change

Billionaire’s gift pushes ocean sensors deeper in search of global warming’s hidden heat

Every day, thousands of robotic floats bob up and down, tracking temperatures in the world's oceans, which sop up an estimated 90% of the heat from …

Global Warming

240-year-old nautical maps show coral loss is much worse than we knew

Between 1773 and 1775, George Gauld, a surveyor with the British Admiralty, immortalized the coast of the Florida Keys in ink. Though his most pressing goal was to record the depth of the sea — to prevent future shipwrecks — Gauld embraced his naturalist side, too. He sprinkled his maps with …

Maps

Seabed Mining: The 24 People Who Could Decide the Fate of the Deep Ocean

KINGSTON, Jamaica – At the International Seabed Authority’s ocean-side headquarters, delegates from dozens of countries stroll through breezeways …

Oceans

Detecting Gas Leaks with Autonomous Underwater Vehicles

On the ocean floor, at this very minute, fleets of robots roam free—independent of human operators. These machines, called autonomous underwater …

Oceans

Tuna-fishing nations agree on plan to replenish severely depleted Pacific bluefin stocks

TOKYO — The world’s Pacific bluefin tuna won something of a reprieve Friday, when tuna-fishing countries reached an agreement to gradually rebuild severely depleted stocks while still allowing nations such as Japan to catch and consume the delicacy.<p>Japan — by far the world’s biggest consumer of …

Oceans

Just 1°C of ocean warming can upend marine ecosystems

How will climate change affect the world’s oceans? Scientists have barely begun to chart how warming waters will affect marine ecosystems. Now, …

Climate Change

Human influence may prolong ocean cycle that gave birth to Harvey

Last weekend, Hurricane Harvey put an end to a lucky streak: It became the first major hurricane to make landfall in the United States since 2005. …

Climate Change

Portland State University

Portland State researchers studying centuries-old trees in South America have found a tight correlation between wildfires and a warm weather …

Climate Change

New findings on the past and future of sea ice cover in the Arctic

Nature Communications Study<p>New findings on the past and future of sea ice cover in the Arctic<p><b>Despite the high temperatures, geologists and climate</b> …

Climate Change

Century-old seal pelts reveal changes in Ross Sea ecosystem

When scientists at McMurdo Station in Antarctica have time off from their field work, they often pay a visit to three nearby wooden huts built in the …

Oceans

Öl- und Gasbohrungen als starke Quelle von Treibhausgasen « GEOMAR - Helmholtz Centre for Ocean Research Kiel

28.08.2017<p>Oil and gas wells as a strong source of greenhouse gases<p><b>New study proves methane leaks around North Sea boreholes</b><p>28 August 2017 / Kiel. …

Climate Change