Oceanography News

Courtesy of Science Daily

Welcome to Sea and Sky's Oceanography News. Here you can find links to the latest ocean news headlines in the topic of oceanography. Click on any yellow title below to view the full news article. The news article will open in a new browser window. Simply close the browser window when you are finished reading the article to return to the news article listing. You can use the "Click for More" link to go to a page with more news headlines.

 

'Dirty Blizzard' sent 2010 Gulf oil spill pollution to seafloor
Scientists working in the Gulf of Mexico have found that contaminants from the 2010 Deepwater Horizon oil spill lingered in the subsurface water for months after oil on the surface had been swept up or dispersed. In a new study, they detailed how remnants of the oil, black carbon from burning oil slicks and contaminants from drilling mud combined with microscopic algae and other marine debris to descend in a 'dirty blizzard' to the seafloor.
Publ.Date : Mon, 30 May 2016 15:32:58 EDT

Deep, old water explains why Antarctic Ocean hasn't warmed
The water around Antarctica has not seen the atmosphere for centuries, since long before the machine age. New observations and model simulations suggest this may be the last place on Earth to feel climate change.
Publ.Date : Mon, 30 May 2016 11:55:37 EDT

Bombs and buses 600 metres deep
May 8, 1945: German forces in Norway have surrendered, and after five long years of occupation, the country is finally free. Suddenly, 30,000 Allied troops had to disarm 350,000 German soldiers, and deal with huge stockpiles of German bombs, guns and ammunition along Norway's 2500-km-long coast. It was a nightmare assignment, especially the bombs. So the Norwegians did what they often did in times of crisis: they turned to the sea.
Publ.Date : Mon, 30 May 2016 10:11:26 EDT

Arctic Ocean methane does not reach the atmosphere
250 methane flares release the climate gas methane from the seabed and into the Arctic Ocean. During the summer months this leads to an increased methane concentration in the ocean. But surprisingly, very little of the climate gas rising up through the sea reaches the atmosphere, report investigators.
Publ.Date : Fri, 27 May 2016 11:26:54 EDT

Antarctic fossils reveal creatures weren't safer in the south during dinosaur extinction
A study of more than 6,000 marine fossils from the Antarctic shows that the mass extinction event that killed the dinosaurs was sudden and just as deadly to life in the polar regions. Previously, scientists had thought that creatures living in the southernmost regions of the planet would have been in a less perilous position during the mass extinction event than those elsewhere on Earth.
Publ.Date : Thu, 26 May 2016 09:19:56 EDT

A warning system for tsunamis
Scientists have developed the Time Reverse Imaging Method to take real-time data from the ocean sensors and use that information to recreate what the tsunami looked like when it was born. Once scientists have the tsunami source pinpointed, they can use it to make better predictions about what will happen once the waves reach shore. This new method is fast enough to compete with existing algorithms but much more accurate.
Publ.Date : Tue, 24 May 2016 21:34:56 EDT

Northern invaders threaten Antarctic marine life
Scientists have found evidence that marine life can easily invade Antarctic waters from the north, and could be poised to colonize the rapidly-warming Antarctic marine ecosystems.
Publ.Date : Tue, 24 May 2016 12:44:06 EDT

Coral bleaching 'lifeboat' could be just beneath the surface
A report commissioned by the United Nations offers a glimmer of hope to those managing the impact of bleaching on the world's coral reefs, including the Great Barrier Reef. The 35 authors of the United Nations Environmental Programme in-depth report say as the world's surface reefs are being threatened, part of the ecosystem may survive in these barely known deeper environments, known as mesophotic coral ecosystems (MCEs).
Publ.Date : Tue, 24 May 2016 12:40:56 EDT

Methane-producing microbes in California rocks
Scientists report that they have found evidence of hardy, methane-producing microbes in water that surfaces from deep underground at The Cedars, a set of freshwater springs in Sonoma County.
Publ.Date : Tue, 24 May 2016 12:34:47 EDT

World's largest coral gene database created
Scientists have conducted the world's most comprehensive analysis of coral genes, focusing on how their evolution has allowed corals to interact with and adapt to the environment.
Publ.Date : Tue, 24 May 2016 08:54:43 EDT

A history of snowfall on Greenland, hidden in ancient leaf waxes
The history of Greenland's snowfall is chronicled in an unlikely place: the remains of aquatic plants that died long ago, collecting at the bottom of lakes in horizontal layers that document the passing years. Using this ancient record, scientists have determined that snowfall at one key location in western Greenland may have intensified from 6,000 to 4,000 years ago, a period when the planet's Northern Hemisphere was warmer than it is today.
Publ.Date : Mon, 23 May 2016 14:12:44 EDT

Ocean pollution: Focusing on fragmentation of plastic waste
First discovered by sailors, the masses of plastic debris floating at the center of vast ocean vortices called gyres are today under close scrutiny by scientists. To better understand the fragmentation of microplastics under the effect of light and abrasion by waves, researchers combined physico-chemical analyses with statistical modeling. They were thus able to show that pieces of plastic debris behave in very different ways according to their size. The bigger pieces appear to float flat at the surface of the water, with one face preferentially exposed to sunlight. However, the researchers observed fewer small-sized debris (around 1 mg) than predicted by the mathematical model.
Publ.Date : Mon, 23 May 2016 08:38:21 EDT

Rich coral communities discovered in Palamós Submarine Canyon in the Northwestern Mediterranian Sea
A scientific team has found in La Fonera canyon, also known as the Palamós canyon in the Northwestern Mediterranian Sea, deep-water coral communities, a marine ecosystem which is very vulnerable to human activity.
Publ.Date : Fri, 20 May 2016 10:19:55 EDT

Will more snow over Antarctica offset rising seas? Don't count on it
Heavier snow over Antarctica was supposed to be one of the few brakes on sea-level rise in a warming world. But that prediction is not reliable, says a new study of Antarctic snowfall over the past 31,000 years.
Publ.Date : Thu, 19 May 2016 10:06:06 EDT

Ocean acidification puts NW Dungeness crab at risk
Ocean acidification expected to accompany climate change may slow development and reduce survival of the larval stages of Dungeness crab, a key component of the Northwest marine ecosystem and the largest fishery by revenue on the West Coast, a new study has found.
Publ.Date : Wed, 18 May 2016 16:53:04 EDT

Scientists predict extensive ice loss from huge Antarctic glacier
Current rates of climate change could trigger instability in a major Antarctic glacier, ultimately leading to more than 2m of sea-level rise.
Publ.Date : Wed, 18 May 2016 13:38:19 EDT

Oregon's Coos Bay historically has avoided serious hypoxic conditions
A study of the 15-mile length of Coos Bay, from the ocean to the city of the same name, finds the bay is free of toxic levels of reduced oxygen that often affect other Oregon locations in the summer months.
Publ.Date : Tue, 17 May 2016 14:11:22 EDT

Iron fertilization won't work in equatorial Pacific, study suggests
Over the past half-million years, the equatorial Pacific Ocean has seen five spikes in the amount of iron-laden dust blown in from the continents. In theory, those bursts should have turbo-charged the growth of the ocean's carbon-capturing algae -- algae need iron to grow -- but a new study shows that the excess iron had little to no effect.
Publ.Date : Mon, 16 May 2016 18:10:20 EDT

More sea turtles survive with less beach debris
Clearing the beach of flotsam and jetsam increased the number of nests by as much as 200 percent, while leaving the detritus decreased the number by nearly 50 percent, report scientists at the conclusion of their study.
Publ.Date : Mon, 16 May 2016 15:19:32 EDT

Polluted dust can impact ocean life thousands of miles away
As climatologists closely monitor the impact of human activity on the world's oceans, researchers have found yet another worrying trend impacting the health of the Pacific Ocean.
Publ.Date : Mon, 16 May 2016 11:53:06 EDT