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UrduGEOMAR scientists show that besides iron, manganese can also limit the growth of photosynthesis-performing plankton
Tag: OCEANOGRAPHY
Cleaning Up the Mississippi River
Louisiana State University Boyd Professor tracks 100-year history
Tourism mainly responsible for marine litter on Mediterranean beaches
The global COVID19 pandemic may be an opportunity to rethink the model of sustainable touris
Healthy oceans need healthy soundscapes
Researchers document the impacts of noise on marine animals and ecosystems and identify actions to restore healthy ocean sounds
Scientists discover ocean ‘surface slicks’ are nurseries for diverse fishes
The open ocean is a harsh place for newborn fishes. From the minute larvae hatch from their eggs, their survival depends upon finding food and navigating ocean currents to their adult habitats–all while avoiding predators. This harrowing journey from egg…
Hidden world just below the surface
Ocean surface slicks are pelagic nurseries for diverse fishes
MARLIT, artificial intelligence against marine litter
Litter that floats and pollutes the ocean
The Arctic Ocean was covered by a shelf ice and filled with freshwater
The Arctic Ocean was covered by up to 900 m thick shelf ice and was filled entirely with freshwater at least twice in the last 150,000 years. This surprising finding, reported in the latest issue of the journal Nature ,…
Sea level will rise faster than previously thought
There are two main elements to observe when assessing sea level rise. One is the loss of the ice on land, e.g., melting mountain glaciers and inland ice sheets on Greenland and Antarctica, and the other is that the sea…
Antarctica’s ice melt isn’t consistent, new analysis shows
Sea-level predictions may need adjustment
Are plastics and microplastics in the Ocean on the increase?
The answer might not be so straightforward
Forty years of coral spawning captured in one place for the first time
Efforts to understand when corals reproduce have been given a boost thanks to a new resource that gives scientists open access to more than forty years’ worth of information about coral spawning. Led by researchers at Newcastle University, UK, and…
Research illuminates lobsters’ genetic response to changing climate
The American lobster, which supports the most valuable fishery in North America, may be more susceptible to the effects of climate change than previously thought, according to a new study published in Ecology and Evolution . This finding could help…
Geological phenomenon widening the Atlantic Ocean
An upsurge of matter from deep beneath the Earth’s crust could be pushing the continents of North and South America further apart from Europe and Africa, new research has found.
NSU researcher part of team studying impact of rising sea temperatures on marine life
Team studied underwater heatwave impacts
Doctoral student leads paleoclimate study of precipitation and sea ice in Arctic Alaska
Findings demonstrate the interconnectedness of the Arctic and North Pacific on multimillennial timescales, consistent with future projections of less sea ice and more precipitation in Arctic Alaska
A large number of gray whales are starving and dying in the eastern North Pacific
It is now the third year that gray whales have been found in very poor condition or dead in large numbers along the west coast of Mexico, USA and Canada. A new international study now suggests that starvation is contributing to these mortalities.
Antarctica: the ocean cools at the surface but warms up at depth
Scientists from the CNRS, CNES, IRD, Sorbonne Université, l’Université Toulouse III – Paul Sabatier and their Australian colleagues*, with the support of the IPEV, have provided a comprehensive analysis on the evolution of Southern Ocean temperatures over the last 25…
Scientists discover how the potentially oldest coral reefs in the Mediterranean developed
A new study from the Institut de Ciències del Mar (ICM-CSIC, Spain) and the National Oceanography Centre brings unprecedented insights into the environmental constraints and climatic events that controlled the formation of these reefs. The results of this research will…
US fishing and seafood industries saw broad declines last summer due to COVID-19
New analysis by NOAA Fisheries provides insights into the pandemic’s early economic impact
Scientists discover the secret of Galápagos’ rich ecosystem
New research has unlocked the mystery of how the Galápagos Islands, a rocky, volcanic outcrop, with only modest rainfall and vegetation, is able to sustain its unique wildlife habitats.
Human-induced climate change caused the northwestern Pacific warming record in August 2020
A once-in-1000-year warming event has been already altered to occur once per 15 years because of past human activities
Upper ocean temperatures hit record high in 2020
Even with the COVID-19-related small dip in global carbon emissions due to limited travel and other activities, the ocean temperatures continued a trend of breaking records in 2020. A new study, authored by 20 scientists from 13 institutes around the…
Melting icebergs key to sequence of an ice age, scientists find
New study unravels long-standing climate mystery and provides insight into how our planet may change in the future
‘Ocean 100’: Small group of companies dominates ocean economy
Concentrated economic power may give policymakers leverage
Taking the lab into the ocean: A fleet of robots tracks and monitors microbial communities
Researchers enabled a trio of self-driving robots to locate, follow, and sample a layer of microbes as they drifted in an open-ocean eddy
New analysis highlights importance of groundwater discharge into oceans
An invisible flow of groundwater seeps into the ocean along coastlines all over the world.
Scientists discover slimy microbes that may help keep coral reefs healthy
The bacteria scrub out nitrogen, potentially defending against certain nutrient overloads
Identifying Canada’s key conservation hot spots highlights problem
First of its kind mapping of most important places for freshwater, recreation and carbon storage provides tool for conservation decisions
Pollutants rapidly changing the waters near Ieodo Island
There has been frequent occurrence of red tide in coastal waters around Korea where the sea turns red. Red tide is a phenomenon in which phytoplankton proliferate as nutrient or sewage flow into seawater, making it appear red. This not…
Researchers discover a new tool for reconstructing ancient sea ice to study climate change
PROVIDENCE, R.I. [Brown University] — Sea ice is a critical indicator of changes in the Earth’s climate. A new discovery by Brown University researchers could provide scientists a new way to reconstruct sea ice abundance and distribution information from the…
Surveys identify relationship between waves, coastal cliff erosion
Study shows waves, rainfall important parts of erosion process, providing new opportunity to improve forecasts
Caspian crisis: Sinking sea levels threaten biodiversity, economy and regional stability
The water levels of the Caspian Sea will be 9 to 18 meters lower than they are now, German and Dutch researchers calculate. In the Nature-journal Communications Earth & Environment they urge the world to act.
Plastic is blowing in the wind
The discovery of microplastics in the air above the ocean reveals the spread of this hazardous pollution
Semper floats! Marines use sensor buoys to better understand ocean battlespace
ARLINGTON, Va.–Flying several thousand feet above the Pacific Ocean, an air crew and a scientist from Woods Hole Oceanographic Institution tossed cylindrical floats from a U.S. Marine Corps MV-22 Osprey aircraft. Packed with data-gathering sensors to measure underwater conditions, the…
Under Antarctica’s ice, Weddell seals produce ultrasonic vocalizations
University of Oregon-led study identifies nine types of sound outside the range of human hearing
Ice sheet uncertainties could mean sea level will rise more than predicted
Sea level could rise higher than current estimates by 2100 if climate change is unchallenged, according to a new assessment. Its authors say understanding the way strong global heating affects polar ice sheets will be crucial to projecting sea level…
Weddell sea: Whale song reveals behavioral patterns
The AWI’s underwater recordings confirm: Minke whales prefer the shelter of sea ice, while humpback whales avoid it
Investigating the carbon intensity of ferries
Climate change mitigation requires curbing emissions from all sectors, including shipping. The European Union has set ambitious targets to achieve this goal. The European regulation number 757 on Monitoring, Reporting, and Verification of CO2 emissions (EU- MRV ) contributes to…
UBCO research takes the chill off icy build-up on planes and wind turbines
Ice detection from microwave sensors rising to new heights
Oceans without oxygen
Researchers dive into the biogeochemistry of ocean anoxic zones
New study redefines understanding of where icebergs put meltwater into the Southern Ocean
The findings pave the way for large Antarctic icebergs to be used in global climate models
Scientists warn of likely massive oil spill endangering the Red Sea, region’s health
Abandoned tanker has 4 times the amount of oil as the Exxon Valdez
Oceanographers have an explanation for the Arctic’s puzzling ocean turbulence
New study suggests waters will become more turbulent as Arctic loses summertime ice.
Ocean heatwave has triggered new toxic algal blooms on the US west coast
Fishermen, swimmers and seafood enthusiasts may already know the dangers of “red tides,” but a recent study in Frontiers in Climate shows that climate change is increasing the frequency of one type of highly toxic algal bloom off the US…
The moon controls the release of methane in Arctic Ocean
It may not be very well known, but the Arctic Ocean leaks enormous amounts of the potent greenhouse gas methane. These leaks have been ongoing for thousands of years but could be intensified by a future warmer ocean. The potential…
Mapping corals from the sky guides reef conservation
Hilo, Hawaii, December 14, 2020 – Coral reefs are one of the most biodiverse ecosystems on the planet supporting an estimated 25 percent of all marine species. These biologically rich ecosystems are threatened by multiple stressors, from warming ocean temperatures…
How commercial vessels could become tsunami early-warning systems
Scientists may have discovered a new ally in efforts to keep coastal communities in the Pacific Northwest safe from future tsunamis, according to a new study: Fleets of commercial shipping vessels. The research taps into an urgent need for communities…
What caused the ice ages? Tiny ocean fossils offer key evidence
The ocean’s role in past atmospheric carbon dioxide change comes into focus
Can sting rays and electric rays help us map the ocean floor?
Researchers at the RIKEN Center for Biosystems Dynamics Research (BDR) in Japan have completed a feasibility study indicating that electric rays and sting rays equipped with pingers will be able to map the seabed through natural exploration The ocean is…