Current Polar Research News and Events

Current Polar Research News and Events, Polar Research 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)

Arctic warming and diminishing sea ice are influencing the atmosphere
Researchers of the Institute for Atmospheric and Earth system research at the University of Helsinki have resolved for the first time, how the environment affects the formation of nanoparticles in the Arctic. The results give additional insight into the future of melting sea ice and the Arctic atmosphere. Until recent studies, the molecular processes of particle formation in the high Arctic remained a mystery. (2021-01-29)

Arctic ocean expedition advances climate modeling
In-situ cloud, radiation, and surface energy budget data collected by a September 2014 expedition of the Japanese Research Vessel Mirai from a stationary point in the ice-free Arctic Ocean were used to investigate the skill of regional climate models. Although most near-surface meteorological parameters were adequately captured by most models, certain important discrepancies were identified, such as the failure to capture unstable low-level cloud stratification, and the partitioning of ice clouds and liquid clouds. (2021-01-26)

Global ice loss increases at record rate
The rate at which ice is disappearing across the planet is speeding up, according to new research. And the findings also reveal that the Earth lost 28 trillion tonnes of ice between 1994 and 2017 - equivalent to a sheet of ice 100 metres thick covering the whole of the UK. (2021-01-25)

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 concluded that the slight cooling observed at the surface of the Southern Ocean hides a rapid and marked warming of the waters, to a depth of up to 800 metres. These results were obtained thanks to unique data acquired over the past 25 years. (2021-01-21)

Alcohols exhibit quantum effects
Skoltech scientists and their colleagues from the Russian Quantum Center revealed a significant role of nuclear quantum effects in the polarization of alcohol in an external electric field. The new research provides insight into the properties of liquid dielectrics. The core assumption of the model pertains to a novel understanding of dielectric polarization phenomena in polar liquids by means of nuclear quantum effects. (2021-01-19)

Researchers speed up analysis of Arctic ice and snow data through AI
Professors at University of Maryland, Baltimore County have developed an artificial intelligence technique to quickly analyze newly collected data based on Arctic ice and snow thickness. Researchers previously analyzed these data manually; this AI will assist them by automating how they detect and analyze patterns in the thickness of the ice. Climate change necessitates a rapid understanding of new developments in the Arctic ice, and this tool provides a faster solution. (2021-01-12)

Imminent sudden stratospheric warming to occur, bringing increased risk of snow over coming weeks
A new study led by researchers at the Universities of Bristol, Exeter, and Bath helps to shed light on the winter weather we may soon have in store following a dramatic meteorological event currently unfolding high above the North Pole. Weather forecasting models are predicting with increasing confidence that a sudden stratospheric warming (SSW) event will take place today, 5 January 2021. (2021-01-05)

Seeking answers in ferroelectric patterning
Why do some ferroelectric materials display 'bubble'-shaped patterning, while others display complex, labyrinthine patterns? A FLEET/UNSW study finds the changing patterns in ferroelectric films are driven by non-equilibrium dynamics, with topological defects driving subsequent evolution. Understanding the physics behind ferroelectric material patterns is crucial for designing advanced low-energy ferroelectric electronics, or brain-inspired neuromorphic computing. (2020-12-18)

Southern Hemisphere westerly winds likely to intensify as climate warms
Polar climate scientists have created the most high resolution past record of the Southern Hemisphere westerly winds. The results, published this week (9 December) in the journal Communications Earth and Environment, describe how the winds are likely to intensify and migrate poleward as the climate warms. The study highlights the urgent need for better models to predict the future. (2020-12-09)

New JILA tools 'turn on' quantum gases of ultracold molecules
JILA researchers have developed tools to 'turn on' quantum gases of ultracold molecules, gaining control of long-distance molecular interactions for potential applications such as encoding data for quantum computing and simulations. (2020-12-09)

Mystery of Siberian freshwater seal food choice solved
Seals native to Siberia's Lake Baikal have been found to have a remarkable adaptation in their teeth that has allowed them to prosper even in the face of limited nutrient offerings. (2020-11-30)

How stable is the Antarctic ice sheet?
As temperatures rise due to climate change, the melting of polar ice sheets is accelerating. An international team of scientists led by researchers from Heidelberg University has now examined the dynamics of the East Antarctic Ice Sheet more closely using deep-sea sediments dating back approximately 2.5 million years. Their results indicate that, in a constantly warming climate, the ice masses of East Antarctica could be much less stable than previously thought. (2020-11-27)

A long distance connection: polar climate affects trade wind strength in tropics
The impact of sea surface temperature variations in the tropical Pacific on global climate has long been recognized. For instance, the episodic warming of the tropical Pacific during El Niño events causes melt of sea ice in far-reaching parts of the Southern Ocean via its effect on the global atmospheric circulation. A new study, published this week in the journal Science Advances by an international team, demonstrates that the opposite pathway exists as well. (2020-11-20)

Blue whales return to South Georgia after near extinction
An international research team led by UK scientists has revealed the return of critically endangered Antarctic blue whales to the sub-Antarctic island of South Georgia, 50 years after whaling all but wiped them out. The new study follows recent research that humpback whales are also returning to the region. (2020-11-19)

Well oriented
Polypropylene (PP) is one of the most widely used plastics in the world. By controlling the spatial orientation of the propylene building blocks and additional polar components, it should be possible to create a new generation of attractive, engineered, specialty plastics, with improved wettability or enhanced degradability, based on PP. In the journal Angewandte Chemie, Japanese scientists have introduced the basis for a new class of palladium catalysts for such polymerizations. (2020-10-30)

Back to the future of climate
Hot and humid: Using minerals from ancient soils, ETH researchers are reconstructing the climate that prevailed on Earth some 55 million years ago. Their findings will help them to better assess how our climate might look in the future. (2020-10-27)

Researchers provide most detailed and complete record yet of Earth's last magnetic reversal
Earth's magnetic fields typically switch every 200 to 300 millennia. Yet, the planet has remained steady for more than twice that now, with the last magnetic reversal occurring about 773,000 years ago. A team of researchers based in Japan now has a better understanding of the geophysical events leading up to the switch and how Earth has responded since then. (2020-10-21)

Mass loss driven shape evolution model unveils formation of flattened 'snowman' (486958) Arrokoth
An international research team led by Assoc. Prof. ZHAO Yuhui from the Purple Mountain Observatory has built and applied a mass-loss-driven shape evolution model (MONET) and suggested that the current flattened shape of Arrokoth could be of evolutionary origin due to volatile outgassing in a timescale of about 1-100 Myr, which provides a natural explanation for the flattening shape of the body. (2020-10-12)

Arctic weather observations can improve hurricane track forecast accuracy
Comparison of mid-range forecast model accuracy of Atlantic hurricane tracks from 2007 to 2019 revealed that when strong winds associated with upper-level troughs caused hurricanes to move northward, track forecast accuracy was lower. The accuracy of track forecasts in such cases was improved by including data collected over the Arctic Ocean in 2017, by reducing the error in forecasting upper-level troughs. Therefore, additional data collection at high latitudes can improve mid-latitude hurricane track forecasting. (2020-10-08)

Polar ice, atmospheric water vapor biggest drivers of variation among climate models
A Florida State University researcher is part of a team that has found varying projections on global warming trends put forth by climate change scientists can be explained by differing models' predictions regarding ice loss and atmospheric water vapor. (2020-10-07)

Predicting sports performance with "big data"
Smartphones and wearable devices are not simple accessories for athletes. A CNRS researcher has developed a simple mathematical model for studying the performance of endurance athletes. A recent collaboration with a scientist from the Polar Electro Oy company (Finland) made it possible to apply the model to data gathered from approximately 14,000 runners training in real conditions. (2020-10-06)

Interplanetary storm chasing
Harvard researchers create a new 3D model that could explain the formation of a hexagon storm on Saturn -- a hurricane about 20,000 miles in diameter. (2020-10-06)

On the trail of causes of radiation events during space flight
Scientists have made significant progress in understanding the sources of radiation events that could impact human space-flight operations. Relativistic Electron Precipitation (REP) events are instances when high energy electrons move through areas of space at significant fractions of the speed of light. These REP events may pose challenges to human spaceflight, specifically during extravehicular activity (EVA). (2020-10-05)

Climate: Iodic acid influences cloud formation at the North Pole
An international team of scientists from EPFL, the Paul Scherrer Institute and Stockholm University has identified a novel driver of new aerosol particle formation in the Arctic during the summer to fall transition. The authors show that iodic acid is important for forming new particles which subsequently influence the formation of clouds and their radiative effect over the Arctic pack ice. (2020-10-01)

Some polar bears in far north are getting short-term benefit from thinning ice
The small subpopulation of polar bears in Kane Basin were doing better, on average, in recent years than in the 1990s. The bears are experiencing short-term benefits from thinning and shrinking multiyear sea ice that allows more sunlight to reach the ocean surface, which makes the system more ecologically productive. (2020-09-23)

Aberrant electronic and structural alterations in pressure tuned perovskite NaOsO3
In summary, a comprehensive temperature-dependent electrical transport, Raman scattering, synchrotron XRD, and DFT study has been carried out to understand the effect of external pressure on perovskite NaOsO3. (2020-09-18)

Has Earth's oxygen rusted the Moon for billions of years?
To the surprise of many planetary scientists, the oxidized iron mineral hematite has been discovered at high latitudes on the Moon, according to a study led by University of Hawaii researchers. (2020-09-02)

Birds of a feather flock together, but timing depends on typhoons
Six black-naped terns -- a coastal seabird found in the Pacific and Indian Oceans -- have given researchers a glimpse into how they navigate tropical typhoons. The research team based in Japan published their analysis on May 30 in Marine Biology, a Springer journal. (2020-08-24)

Greenland ice sheet shows losses in 2019
The Greenland Ice Sheet recorded a new record loss of mass in 2019. This was the finding of a team of international researchers after evaluating data from satellite observations and modelling data. (2020-08-20)

Equatorial winds ripple down to Antarctica
A CIRES-led team has uncovered a critical connection between winds at Earth's equator and atmospheric waves 6,000 miles away at the South Pole. The team has found, for the first time, evidence of a Quasi-Biennial Oscillation (QBO) -- an atmospheric circulation pattern that originates at the equator--at McMurdo, Antarctica. (2020-08-17)

Japanese biologists discover new species of sea worm in the southern ocean
A Japanese research team observed a new species of polychaetes amid the seafloor materials collected near the South Orkney Islands, a remote region of the Southern Ocean about 400 miles northeast of the tip of the Antarctic Peninsula. They named it 'Flabelligena Gillet', 2001. (2020-08-12)

Waning attention to climate change amid pandemic could have lasting effects
With COVID-19 dominating the headlines, searches for climate change are on the decline. That worries authors of a new study showing that even brief, involuntary attention to environmental issues moves people to care more and act. (2020-08-05)

Scientists discover new penguin colonies from space
A new study using satellite mapping technology reveals there are nearly 20% more emperor penguin colonies in Antarctica than was previously thought. The results provide an important benchmark for monitoring the impact of environmental change on the population of this iconic bird. (2020-08-04)

Dome A in Antarctica is the best site for optical astronomical observation on Earth
A research team led by Prof. SHANG Zhaohui from National Astronomical Observatories of the Chinese Academy of Sciences (NAOC) has proved that Dome A in Antarctica is the best site for optical astronomical observation on Earth. (2020-08-03)

A snapshot of melting Arctic sea ice during the summer of 2018
A study appearing July 29 in the journal Heliyon details the changes that occurred in the Arctic in September of 2018, a year when nearly 10 million kilometers of sea ice were lost throughout the summer. Its findings give an overview of how sea ice has receded over the 40 years of the satellite era and show how the summer's extensive decline is linked to global atmospheric processes as far south as the tropics. (2020-07-29)

New technique enables mineral ID of precious Antarctic micrometeorites
The composition of Antarctic micrometeorites and other tiny but precious rocks such as those from space missions--is really hard to analyze without some sample loss. But a new technique should make it easier, cheaper and faster to characterize them while preserving more of the sample. The findings were published on the peer reviewed journal Meteoritics & Planetary Science on May 21. (2020-07-28)

New depth map of the Arctic Ocean
An international team of researchers has published the most detailed submarine map of the Artic Ocean. The study, which counts on the participation of the experts Miquel Canals, José Luis Casamor and David Amblàs, from the Consolidated Research Group on Marine Geosciences of the University of Barcelona, has been published in Nature's journal Scientific Data. (2020-07-27)

Climate change is impacting the spread of invasive animal species
What factors influence the spread of invasive animal species in our oceans? (2020-07-22)

Popular seafood species in sharp decline around the world
The first-ever global study of long-term trends in the population biomass of exploited marine fish and invertebrates for all coastal areas on the planet. (2020-07-21)

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