Current Sea Ice News and Events

Current Sea Ice News and Events, Sea Ice News Articles.
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Glaciers accelerate in the Getz region of West Antarctica
Glaciers in West Antarctica are moving more quickly from land into the ocean, contributing to rising global sea levels. A 25-year record of satellite observations has been used to show widespread increases in ice speed across the Getz sector for the first time, with some ice accelerating into the ocean by nearly 50%. (2021-02-23)

'Missing ice problem' finally solved
During glacial periods, the sea level falls, because vast quantities of water are stored in the massive inland glaciers. To date, however, computer models have been unable to reconcile sea-level height with the thickness of the glaciers. (2021-02-23)

Protective ship coatings as an underestimated source of microplastic pollution
Shipping traffic can be a major source of microplastics, especially out in the open ocean. In a new study, a team of environmental geochemists from the University of Oldenburg (Germany) for the first time provides an overview of microplastics mass distribution in the North Sea. The scientists found that most of the plastic particles in water samples taken in the south-eastern North Sea originate from binders used in marine paints. Their hypothesis is that ships leave a kind of 'skid mark' in the water. (2021-02-23)

'Problem of missing ice' finally solved by movement of the earth's crust
An international team of scientists published a study in Nature Communications today. This new reconstruction revolutionizes what is thought about the global continental ice mass during the Last Ice Age. (2021-02-23)

Alaska thunderstorms may triple with climate change
Warming temperatures will potentially alter the climate in Alaska so profoundly later this century that the number of thunderstorms will triple, increasing the risks of widespread flash flooding, landslides, and lightning-induced wildfires, new research finds. (2021-02-23)

Scientists claim that all high-energy cosmic neutrinos are born by quasars
Scientists of the P. N. Lebedev Physical Institute of the Russian Academy of Sciences (LPI RAS), the Moscow Institute of Physics and Technology (MIPT) and the Institute for Nuclear Research of RAS (INR RAS) studied the arrival directions of astrophysical neutrinos with energies more than a trillion electronvolts (TeV) and came to an unexpected conclusion: all of them are born near black holes in the centers of distant active galaxies - powerful radio sources. (2021-02-22)

The Milky Way may be swarming with planets with oceans and continents like here on Earth
According to a new study from the University of Copenhagen, Earth, Venus and Mars were created from small dust particles containing ice and carbon. The discovery opens up the possibility that the Milky Way may be filled with aquatic planets. (2021-02-22)

A salt solution for desalinating brine
Solar-powered brine crystallization could alleviate the environmental impacts of seawater desalination. (2021-02-21)

42,000-year-old trees allow more accurate analysis of last Earth's magnetic field reversal
The last complete reversal of the Earth's magnetic field, the so-called Laschamps event, took place 42,000 years ago. Radiocarbon analyses of the remains of kauri trees from New Zealand now make it possible for the first time to precisely time and analyse this event and its associated effects, as well as to calibrate geological archives such as sediment and ice cores from this period. Simulations based on this show considerable effects in the Earth's atmosphere. (2021-02-19)

HKUST decodes a deep-sea vent-endemic snail hologenome
A research team led by Prof. QIAN Peiyuan, Head and Chair Professor from the Hong Kong University of Science and Technology (HKUST)'s Department of Ocean Science and David von Hansemann Professor of Science, has discovered that Gigantopelta snail houses both sulfur-oxidizing bacteria and methane-oxidizing bacteria inside its esophageal gland cells (part of digestive system) as endosymbionts, disclosing a novel dual symbiosis system and the molecular adaptation to the extreme environment, gaining a new understanding of the origin of life on Earth. (2021-02-19)

The melting of large icebergs is a key stage in the evolution of ice ages
A new study, in which the Andalusian Earth Sciences Institute (IACT) (CSIC-UGR) participated, has described for the first time a key stage in the beginning of the great glaciations and indicates that it can happen to our planet in the future. The findings were recently published in the scientific journal Nature The study claims to have found a new connection that could explain the beginning of the ice ages on Earth (2021-02-19)

New crystalline ice form
Three years ago, chemists at the University of Innsbruck found evidence for the existence of a new variety of ice. Until then, 18 types of crystalline ice were known. The team led by Thomas Loerting now reports in Nature Communications on the elucidation of the crystal structure of ice XIX using neutron diffraction. (2021-02-18)

Older adults and antibiotics: Study shows healthy attitudes but unhealthy practices
While most adults over 50 understand that overuse of antibiotics is a problem, and say they're cautious about taking the drugs, a sizable minority have used antibiotics for something other than their original purpose, and appear to think the drugs could help treat colds, which are caused by viruses not bacteria. (2021-02-18)

Deep seabed mining must benefit all humankind
As investors set their sights on the mineral resources of the deep seabed, the International Seabed Authority (ISA) is developing regulations that will govern their future exploration and possible exploitation. A new IASS Policy Brief, published in cooperation with the Federal Environment Agency (UBA), presents three recommendations to ensure that future deep seabed mining would be to the common benefit all humankind, as required by international law. (2021-02-18)

New UCF study examines leeches for role in major disease of sea turtles in Florida
University of Central Florida researchers are homing in on the cause of a major disease of sea turtles, with some of their latest findings implicating saltwater leeches as a possible factor. The results, published recently in the journal Diseases of Aquatic Organisms, present the first evidence of a significant association between leeches and the disease in sea turtles, according to the researchers. (2021-02-18)

Exaggerated radar data above the freezing level induced by terrain
Scientists find exaggerated radar data above the freezing level are induced by terrain. (2021-02-17)

Bacteria and algae get rides in clouds
Human health and ecosystems could be affected by microbes including cyanobacteria and algae that hitch rides in clouds and enter soil, lakes, oceans and other environments when it rains, according to a Rutgers co-authored study. (2021-02-16)

How icebergs really melt -- and what this could mean for climate change
Iceberg melt is responsible for about half the fresh water entering the ocean from the Antarctic and Greenland ice sheets. Accurately modelling how it enters is important for understanding potential impact on ocean circulation. (2021-02-16)

Crocodile evolution rebooted by Ice Age glaciations
Crocodiles are resilient animals from a lineage that has survived for over 200 million years. Skilled swimmers, crocodiles can travel long distances and live in freshwater to marine environments. But they can't roam far overland. American crocodiles (Crocodylus acutus) are found in the Caribbean and Pacific coasts of the Neotropics but they arrived in the Pacific before Panama existed, according to researchers from McGill University. (2021-02-16)

Slow motion precursors give earthquakes the fast slip
At a glacier near the South Pole, earth scientists have found evidence of a quiet, slow-motion fault slip that triggers strong, fast-slip earthquakes many miles away, according to Cornell University research published in Science Advances. (2021-02-16)

Strange creatures accidentally discovered beneath Antarctica's ice shelves
Prior research has suggested that the watery depths below the Antarctic ice shelves are too cold and nutrient poor to sustain much life. But a new study from British Antarctic Survey published in Frontiers in Marine Science reveals the discovery of a colony of sponges and other animals attached to a boulder on the sea floor - challenging researchers' understanding about the existence of life in extreme environments. (2021-02-15)

Quantum leaps in understanding how living corals survive
A new imaging technique has been developed to improve our ability to visualize and track the symbiotic interactions between coral and algae in response to globally warming sea surface temperatures and deepening seawaters. (2021-02-15)

Increasing hurricane intensity around Bermuda linked to rising ocean temperatures
New research shows that hurricane maximum wind speeds in the subtropical Atlantic around Bermuda have more than doubled on average over the last 60 years due to rising ocean temperatures in the region. (2021-02-12)

Recommendations for regional action to combat marine plastic pollution
Millions of tonnes of plastic waste find their way into the ocean every year. A team of researchers from the Institute for Advanced Sustainability Studies (IASS) in Potsdam has investigated the role of regional ocean governance in the fight against marine plastic pollution, highlighting why regional marine governance should be further strengthened as negotiations for a new global agreement continue. (2021-02-11)

Climate research: rapid formation of iodic particles over the Arctic
When sea ice melts and the water surface increases, more iodine-containing vapours rise from the sea. Scientists from the international research network CLOUD have now discovered that aerosol particles form rapidly from iodine vapours, which can serve as condensation nuclei for cloud formation. The CLOUD researchers, among them scientists from the Goethe University Frankfurt, fear a mutual intensification of sea ice melt and cloud formation, which could accelerate the warming of the Arctic and Antarctic. (2021-02-11)

What's the catch? Algal blooms influence fishing booms
The timing of phytoplankton blooms in the Red Sea could help determine next year's fish catch. (2021-02-10)

Rapid ice retreat during last deglaciation parallels current melt rates
Imagine an ice chunk the size of Hawaii disappearing, almost instantaneously, from an ice sheet. That is what happened in the Storfjorden Through in the Arctic Ocean some 11,000 years ago. (2021-02-10)

New factor in the carbon cycle of the Southern Ocean identified
The Southern Ocean is one of the key regions for understanding the climate system. The photosynthesis-performing plankton there contribute significantly to controlling the CO2 concentration in the atmosphere. But which factors favor or limit plankton growth? Researchers have now published a study showing for the first time that, in addition to the micronutrient iron, manganese can play an important role. Among other things, the results have implications for understanding ice ages in the past. (2021-02-09)

Collapsed glaciers increase third pole uncertainties: Downstream lakes may merge within a decade
According to researchers from the Institute of Tibetan Plateau Research (ITP) of the Chinese Academy of Sciences, meltwater from ice avalanches has been filling downstream lakes in a way that may cause previously separated lakes to merge within the next decade, thus disrupting the function of ecosystems in the region. (2021-02-09)

Low carbon transport at sea: Ferries voyage optimization in the Adriatic
What CO2 savings are potentially attainable through path optimization? How much can ferries' carbon intensity be decreased? What is the role of waves and currents? A new study led by the CMCC Foundation shows how the future least-CO2 ferry routes could look like. (2021-02-09)

International research team begins uncovering Arctic mystery
According to 25 international researchers who collaborated on a first-of-its-kind study, frozen land beneath rising sea levels currently traps 60 billion tons of methane and 560 billion tons of organic carbon. Little is known about the frozen sediment and soil -- called submarine permafrost -- even as it slowly thaws and releases methane and carbon that could have significant impacts on climate. (2021-02-09)

Better understanding the reasons behind Arctic amplified warming
EPFL professor Julia Schmale is calling on scientists to conduct dedicated process studies and to share their data and research findings on Arctic warming. She stresses the importance of studying how aerosols and clouds interact, as these highly complex and poorly understood mechanisms play a key role in climate change, but are also strongly affected by it. According to her, the region is in rapid transition and scientists need to act to not run behind. (2021-02-08)

Mapping hotspots of undersized fish and crustaceans may aid sustainable fishing practices
The seafood fished out of certain areas of southern European seas is consistently too small to keep, shows a recent study. Catching and discarding these juvenile and undersized animals harms biodiversity and worsens overexploitation of fisheries. But identifying these regions may help prioritize where fishing restrictions are needed most. (2021-02-05)

Arctic stew: Understanding how high-latitude lakes respond to and affect climate change
To arrive at Nunavut, turn left at the Dakotas and head north. You can't miss it--the vast tundra territory covers almost a million square miles of northern Canada. Relatively few people call this lake-scattered landscape home, but the region plays a crucial role in understanding global climate change. (2021-02-05)

Horse remains reveal new insights into how Native peoples raised horses
When a Utah couple dug up the remains of a horse near the city of Provo, researchers suspected that they may have discovered an animal that lived during the last Ice Age. New results suggest a different story. (2021-02-04)

Human-generated noise pollution dominates the ocean's soundscape
The soundscapes of the Anthropocene ocean are fundamentally different from those of pre-industrial times, becoming more and more a raucous cacophony as the noise from human activity has grown louder and more prevalent. (2021-02-04)

Potentially toxic plankton algae may play a crucial role in the future Arctic
As the sea ice shrinks in the Arctic, the plankton community that produces food for the entire marine food chain is changing. New research shows that a potentially toxic species of plankton algae that lives both by doing photosynthesis and absorbing food may become an important player in the Arctic Ocean as the future sea ice becomes thinner and thinner. (2021-02-03)

The Arctic Ocean was covered by a shelf ice and filled with freshwater
Scientists from Alfred Wegener Institute: ''We need to have a fresh look at the role of the Arctic Ocean.'' (2021-02-03)

Fish in warming Scottish seas grow faster but reach a smaller size
Researchers have found new evidence that global warming is affecting the size of commercial fish species, documenting for the first time that juvenile fish are getting bigger, as well as confirming that adult fish are getting smaller as sea temperatures rise. The findings are published in the British Ecological Society's Journal of Applied Ecology. (2021-02-03)

Martian landslides caused by underground salts and melting ice?
A team of researchers led by SETI Institute Senior Research Scientist Janice Bishop, a member of the SETI Institute NASA Astrobiology Institute (NAI) team, has come up with a theory about what is causing landslides on the surface of Mars. They hypothesize that ice melting in the near-surface regolith is causing changes at the surface that make it vulnerable to dust storms and wind. As a result, the RSL features appear and/or expand on the surface of Mars today. (2021-02-03)

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