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UrduToday’s rising CO2 emissions are changing oceans’ pH levels, making them more acidic. We can already see the harmful effects in the coral reefs. Yet other chemical processes – whose environmental impact is not fully known – are also being…
Tag: OCEANOGRAPHY
Prey-size plastics are invading larval fish nurseries
A new research study has revealed that larval fish species from various ocean habitats are now being threatened by plastic pollution that infects their nursery habitats—at levels on average, eight times higher than those recently found in the Great Pacific…
Prey-size plastics are invading larval fish nurseries
A new research study has revealed that larval fish species from various ocean habitats are now being threatened by plastic pollution that infects their nursery habitats—at levels on average, eight times higher than those recently found in the Great Pacific…
Coastlines’ contribution to climate change might have been underestimated
Erosion of permafrost coasts in the Arctic could vent major amounts of CO2
Investigation of oceanic ‘black carbon’ uncovers mystery in global carbon cycle
New technique unexpectedly finds that black carbon in rivers and oceans differs significantly
A novel method for analyzing marine sediments contributes to paleoclimate reconstitution
Researchers supported by FAPESP proposed a procedure based on analyses of quartz and feldspar grains transported to the Atlantic Ocean by the Parnaíba River in Brazil’s Northeast region.
A novel method for analyzing marine sediments contributes to paleoclimate reconstitution
Researchers supported by FAPESP proposed a procedure based on analyses of quartz and feldspar grains transported to the Atlantic Ocean by the Parnaíba River in Brazil’s Northeast region.
Changes in high-altitude winds over the South Pacific produce long-term effects
New findings from the field of Earth history are improving our grasp of climate mechanisms
Just 15 years of post-Paris emissions to lock in 20 cm of sea level rise in 2300: study
Unless governments significantly scale up their emission reduction efforts, the 15 years’ worth of emissions released under their current Paris Agreement pledges alone would cause 20 cm of sea-level rise over the longer term, according to new research published today…
Just 15 years of post-Paris emissions to lock in 20 cm of sea level rise in 2300: study
Unless governments significantly scale up their emission reduction efforts, the 15 years’ worth of emissions released under their current Paris Agreement pledges alone would cause 20 cm of sea-level rise over the longer term, according to new research published today…
Just 15 years of post-Paris emissions to lock in 20 cm of sea level rise in 2300: study
Unless governments significantly scale up their emission reduction efforts, the 15 years’ worth of emissions released under their current Paris Agreement pledges alone would cause 20 cm of sea-level rise over the longer term, according to new research published today…
Clay minerals call the shots with carbon
Rivers discharge a constant supply of sediment into the world’s oceans. This sediment is largely composed of various clay minerals – the products of rock weathering – and organic compounds of plant origin that have decomposed in soils. These two…
Antarctic ice cliffs may not contribute to sea-level rise as much as predicted
Study finds even the tallest ice cliffs should support their own weight rather than collapsing catastrophically
£4m study investigates impact of climate change on Antarctic ice sheet
A major £4 million EU-funded study to investigate how changes in Antarctica’s ice sheets and shelves may lead to a large and irreversible rise in global sea level over the coming decades is about to begin
Strong storms can generate earthquake-like seismic activity
WASHINGTON–Researchers have discovered a new geophysical phenomenon where a hurricane or other strong storm can produce vibrations in the nearby ocean floor as strong as a magnitude 3.5 earthquake. “We’re calling them ‘stormquakes,’” said Wenyuan Fan, an assistant professor of…
Galapagos study highlights importance of biodiversity in the face of climate change
PROVIDENCE, R.I. [Brown University] — As the world’s climate continues to change, biologically diverse communities may be most capable of adapting to environmental challenges. While biodiversity’s importance in adaptation may be well appreciated already, new research by Brown University biologists…
Save the Date: Major Meeting on Fluid Dynamics in Seattle, Nov. 23-26, 2019
The American Physical Society’s Division of Fluid Dynamics 72nd Annual Meeting will take place on Nov. 23-26, 2019, in Seattle, Washington. Journalists are invited to attend the meeting for free. Live press webcasts, featuring a selection of newsworthy research, will take place during the meeting. Fluid dynamics is an interdisciplinary field that investigates visible and invisible phenomena from a wide range of disciplines including engineering, physics, biology, oceanography, atmospheric science and geology.
FSU research: Strong storms generating earthquake-like seismic activity
TALLAHASSEE, Fla. — A Florida State University researcher has uncovered a new geophysical phenomenon where a hurricane or other strong storm can spark seismic events in the nearby ocean as strong as a 3.5 magnitude earthquake. “We’re calling them ‘stormquakes,’”…
OCEANS 2019 Seattle highlights marine technology science and engineering
More than 300 research papers and posters will be presented at OCEANS 2019 Seattle, October 27 through 31, 2019, at the Washington State Convention Center. Seattle’s unique history of forward-thinking ocean research and technology, leadership in and focus on the…
2nd ERC Synergy Grant goes to GFZ German Research Centre for Geosciences
Stephan Sobolev together with researchers from Grenoble, France, and Madison, Wisconsin, will investigate Earth’s evolution
Deep Purple — future biological darkening of the Greenland Ice Sheet
Purple algae are making the western Greenland Ice Sheet melt faster, as the algae darken the ice surface and make it absorb more sunlight
Early warning signals heralded fatal collapse of Krakatau volcano
GFZ Potsdam researchers reconstruct the flank collapse event that triggered a tsunami which killed 430 people in December 2018 – new approach towards better early warning systems
New research puts Australia at forefront of blue carbon economy
In world-first research, Edith Cowan University researchers and an international team of collaborators have accurately quantified the amount of greenhouse gasses — or ‘blue carbon’ — being absorbed and emitted by Australian marine ecosystems
Longest coral reef survey to date reveals major changes in Australia’s Great Barrier Reef
Marine biologist Prof. Maoz Fine: ‘Following in the footsteps of the pioneers of coral reef biology and ecology was an inspirational experience’
Thousands of meltwater lakes mapped on the east Antarctic ice sheet
The number of meltwater lakes on the surface of the East Antarctic Ice Sheet is more significant than previously thought, according to new research. A study led by Durham University, UK, discovered more than 65,000 supraglacial lakes using high-resolution satellite…
Ocean’s key role in achieving climate goals
Earth’s oceans are not simply a passive victim of climate change but instead provide a previously unappreciated opportunity to provide solutions towards reducing global greenhouse gas emissions, argue Ove Hoegh-Guildberg and colleagues in a Policy Forum. Acting on certain ocean-focused…
The pressure to take action is enormous
Bremerhaven/Germany, 25 September 2019. Today, in Monaco, the IPCC will present its new Special Report on the ocean and the Earth’s frozen regions. The report summarises observations of and projections on climate-based changes to ecosystems in the ocean, coastal, polar…
OSU ecologist: Ocean-based actions can close gaps in climate change mitigation
CORVALLIS, Ore. – Ocean-based actions have greater potential to fill in gaps in climate change mitigation than previously appreciated, an Oregon State University scientist and two co-authors explain in a paper published today in Science . The article by OSU…
Marine Regions Forum: Sept. 30 to Oct. 2, 2019, Berlin, Germany
Achieving a healthy ocean — Regional ocean governance beyond 2020
Weathering Antarctic storms — Weather balloon data boost forecasting skill
Observational data from radiosondes deployed in Antarctica improve the forecasting accuracy for severe Antarctic cyclones, according to a Japanese research team led by the Kitami Institute of Technology, Hokkaido, Japan. In parts of the Earth that are very sparsely populated,…
Academic team to be frozen in Arctic ice for historic polar expedition
Sea ice and snow cover experts support global climate study
New technology allows fleets to double fishing capacity — and deplete fish stocks faster
Technological advances are allowing commercial fishing fleets to double their fishing power every 35 years and put even more pressure on dwindling fish stocks, new research has found. Researchers from the Sea Around Us initiative at the University of British…
Four billion particles of microplastics discovered in major body of water
ST. PETERSBURG, Fla. (September 12, 2019)- A new study from the University of South Florida St. Petersburg and Eckerd College estimates the waters of Tampa Bay contain four billion particles of microplastics, raising new questions about the impact of pollution…
Microorganisms reduce methane release from the ocean
Bacteria in the Pacific Ocean remove large amounts of the greenhouse gas methane
Deepwater horizon oil buried in gulf coast beaches could take decades to biodegrade
TALLAHASSEE, Fla. — Golf ball-size clods of weathered crude oil originating from the 2010 Deepwater Horizon catastrophe could remain buried in sandy Gulf Coast beaches for decades, according to a new study by ecologists at Florida State University. In a…
Kīlauea lava fuels phytoplankton bloom off Hawai’i Island
When Kīlauea Volcano erupted in 2018, it injected millions of cubic feet of molten lava into the nutrient-poor waters off the Big Island of Hawai’i. The lava-impacted seawater contained high concentrations of nutrients that stimulated phytoplankton growth, resulting in an…
Kilauea eruption fosters algae bloom in North Pacific Ocean
The massive 2018 eruption set off an unusual effect: An algae super bloom that stretched for miles a
New study tracks sulfur-based metabolism in the open ocean
One of the planet’s most active ecosystems is one most people rarely encounter and scientists are only starting to explore. The open ocean contains tiny organisms — phytoplankton — that perform half the photosynthesis on Earth, helping generate oxygen for…
Cataloguing the human impact on the world’s oceans
Norwegian researcher awarded European Research Council grant to explore the ocean’s many woes
Honorees of the prestigious 2019 Blavatnik Regional Awards for Young Scientists announced
Winning postdoctoral scientists include neuroscientist researching mosquito feeding habits, theoreti
Texas boosts US science with fastest academic supercomputer in the world
Frontera, at the Texas Advanced Computing Center, will power discoveries of nation’s top computation
Remora-inspired suction disk mimics fish’s adhesion ability, offers evolutionary insight
Remora fishes are famed hitchhikers of the marine world, possessing high-powered suction disks on the back of their head for attaching themselves in torpedo-like fashion to larger hosts that can provide food and safety — from whales and sharks to…
Vintage film shows Thwaites Glacier ice shelf melting faster than previously observed
Newly digitized vintage film has doubled how far back scientists can peer into the history of underground ice in Antarctica, and revealed that an ice shelf on Thwaites Glacier in West Antarctica is being thawed by a warming ocean more…
Scientists discover evidence for past high-level sea rise
Mallorcan cave yields 4-million-year-old geologic evidence providing new insights into magnitude glo
Bacteria feeding on Arctic algae blooms can seed clouds
WASHINGTON – New research finds Arctic Ocean currents and storms are moving bacteria from ocean algae blooms into the atmosphere where the particles help clouds form. These particles, which are biological in origin, can affect weather patterns throughout the world,…
UCI-led team creates first high-resolution global map of surface ocean phosphate
Irvine, Calif., Aug. 28, 2019 – An international team of Earth system scientists and oceanographers has created the first high-resolution global map of surface ocean phosphate, a key mineral supporting the aquatic food chain. In doing so, the University of California
Southern Ocean circulation patterns that keep the lid on stored carbon are more complex than previou
Reframing the carbon cycle of the subpolar Southern Ocean
UCI-led study: Plankton are more resilient to nutrient stress than previously thought
Interdisciplinary team produces first high-resolution map of ocean surface phosphate
Southern Ocean circulation patterns that keep the lid on stored carbon are more complex than previou
Reframing the carbon cycle of the subpolar Southern Ocean
Study finds big increase in ocean carbon dioxide absorption along West Antarctic Peninsula
Long-term measurements reveal links between climate change and ocean carbon dynamics