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.

 

Ocean predicts future northwestern European and Arctic climate
There is a clear potential for practical and useful predictions of northwestern European and Arctic climate based on the state of the ocean, new research indicates.
Publ.Date : Wed, 21 Jun 2017 10:01:58 EDT

Wave beams mix and stir the ocean to create climate
Waves deep within the ocean play an important role in establishing ocean circulation, arising when tidal currents oscillate over an uneven ocean bottom. The internal waves generated by this process stir and mix the ocean, bringing cold, deep water to the surface to be warmed by the sun. Investigators now explain how to tell which way internal waves will go. The proposed theory unifies several previously understood explanations of wave propagation.
Publ.Date : Tue, 20 Jun 2017 11:42:10 EDT

Great opportunities for marine research with new underwater vehicle
An autonomous underwater vehicle offers promise for advanced marine research use. This will make it possible to conduct detailed studies of the seabed at great depths and track the climate thousands of years back in time, say researchers.
Publ.Date : Tue, 20 Jun 2017 09:45:45 EDT

Chemistry of sea spray particles linked for first time to formation process
For the first time, researchers have identified what drives the observed differences in the chemical make-up of sea spray particles ejected from the ocean by breaking waves.
Publ.Date : Mon, 19 Jun 2017 15:15:28 EDT

Scientists throw light on mysterious ice age temperature jumps
Scientists believe they have discovered the reason behind mysterious changes to the climate that saw temperatures fluctuate by up to 15°C within just a few decades during the ice age periods.
Publ.Date : Mon, 19 Jun 2017 12:58:22 EDT

Japanese slow earthquakes could shed light on tsunami generation
Understanding slow-slip earthquakes in subduction zone areas may help researchers understand large earthquakes and the creation of tsunamis, according to researchers who used data from instruments placed on the seafloor and in boreholes east of the Japanese coast.
Publ.Date : Thu, 15 Jun 2017 14:27:30 EDT

Widespread snowmelt in West Antarctica during unusually warm summer
An area of West Antarctica more than twice the size of California partially melted in 2016 when warm winds forced by an especially strong El Nino blew over the continent.
Publ.Date : Thu, 15 Jun 2017 08:46:01 EDT

Polar bears' declining mercury levels likely due to climate-related shifts
To understand how human activities are affecting the planet, scientists often study the health of animals in the wild. Now a new study finds that the levels of mercury in some polar bears are declining. But rather than heralding a drop in mercury in the environment, the decrease could indicate how climate change has led the animals to shift foraging habits, which has affected their diets and weight.
Publ.Date : Wed, 14 Jun 2017 09:18:20 EDT

Large Canadian Arctic climate change study cancelled due to climate change
The Science Team of the Canadian Research Icebreaker CCGS Amundsen has cancelled the first leg of the 2017 Expedition due to complications associated with the southward motion of hazardous Arctic sea ice, caused by climate change.
Publ.Date : Tue, 13 Jun 2017 15:06:51 EDT

Why microplastic debris may be the next big threat to our seas
More than five trillion pieces of plastic debris are estimated to be in our oceans, though many are impossible to see with the naked eye.
Publ.Date : Fri, 09 Jun 2017 09:27:49 EDT

Lost ecosystem found buried in mud of southern California coastal waters
Paleontologists investigating the sea bed off California have discovered a lost ecosystem that for thousands of years had nurtured communities of scallops and shelled marine organisms called brachiopods. They had died off by the early 20th century, replaced by the mud-dwellling burrowing clams that inhabit this seabed today.
Publ.Date : Fri, 09 Jun 2017 09:12:20 EDT

Scientists advancing hope for reefs in the Philippines
Researchers have returned from the Philippines with new species discoveries and deeper insights into threatened coral reef ecosystems.
Publ.Date : Thu, 08 Jun 2017 14:55:29 EDT

Finding new homes won't help emperor penguins cope with climate change
Unlike other species that migrate successfully to escape the wrath of climate change, a new study shows that dispersal may help sustain global Emperor penguin populations for a limited time, but, as sea ice conditions continue to deteriorate, the 54 colonies that exist today will face devastating declines by the end of this century.
Publ.Date : Wed, 07 Jun 2017 15:12:08 EDT

How the Arctic Ocean became saline
The Arctic Ocean was once a gigantic freshwater lake. Only after the land bridge between Greenland and Scotland had submerged far enough did vast quantities of salt water pour in from the Atlantic.
Publ.Date : Tue, 06 Jun 2017 11:27:53 EDT

Why do Antarctic krill stocks fluctuate?
It is only six centimeters long, but it plays a major role in the Antarctic ecosystem: the small crustacean Euphausia superba (Antarctic krill). It's one of the world's most abundant species and the central diet of a number of animals in the Southern Ocean. For a long time, scientists have been puzzled why the size of krill stocks fluctuates so widely.
Publ.Date : Tue, 06 Jun 2017 09:50:25 EDT

Marine reserves help mitigate against climate change, say scientists
Highly protected marine reserves can help mitigate against the impacts of climate change, a study by a team of international scientists has concluded.
Publ.Date : Mon, 05 Jun 2017 15:23:25 EDT

Domes of frozen methane may be warning signs for new blow-outs
Several methane domes, some 500m wide, have been mapped on the Arctic Ocean floor. They may be signs of soon-to-happen methane expulsions that have previously created massive craters in a near-by area.
Publ.Date : Mon, 05 Jun 2017 15:19:56 EDT

What caused the most toxic algal bloom ever observed in Monterey Bay?
In spring 2015, the West Coast of North America experienced one of the most toxic algal blooms on record. The bloom consisted of diatoms in the genus Pseudo-nitzschia, but researchers couldn't tell why these algae had become so toxic. A new article shows that, at least in Monterey Bay, this bloom became particularly toxic because of an unusually low ratio of silicate to nitrate in the waters of the bay.
Publ.Date : Mon, 05 Jun 2017 15:02:54 EDT

Earliest human-made climate change took place 11,500 years ago
A new study has uncovered the earliest known geological indications of humanmade climate change from 11,500 years ago.
Publ.Date : Mon, 05 Jun 2017 11:00:59 EDT

Stony corals more resistant to climate change than thought
Stony corals may be more resilient to ocean acidification than once thought, according to a Rutgers University study that shows they rely on proteins to help create their rock-hard skeletons.
Publ.Date : Thu, 01 Jun 2017 15:19:46 EDT