Researchers found significant increases in crevasses at fast-flowing glaciers, with some sectors experiencing a 25% increase. This accelerated crevassing could further speed up the mechanisms behind the loss of ice from Greenland.
Researchers at the University of Surrey have discovered a unique mix of lipids in polar bear fur that drastically reduces ice adhesion, paving the way for safer and more sustainable anti-freezing solutions. The study found that specific lipids, such as cholesterol and diacylglycerols, exhibit low adsorption energies on ice.
Researchers analyzed over 30 years of data to discover key influences on fast ice thickness in McMurdo Sound. They found that storm events, air temperature, and winter wind speed cause annual fluctuations in thickness.
Researchers at Iowa State University have rewritten the equation for deformation and flow of watery glacier ice, which could lead to more accurate models predicting sea-level rise. The new value of the stress exponent 'n' is 1.0, indicating a linear relationship between stress and deformation speed.
Scientists have used data from CryoSat-2 and ICESat-2 to track changes in the Greenland Ice Sheet's thickness, revealing an average thinning of 1.2 meters between 2010 and 2023. The study confirms that combining satellite measurements can produce a more reliable estimate of ice loss.
Research by York University indicates that lake ice conditions are changing, with warmer temperatures increasing the formation of white ice, which is more prone to collapse. This poses a significant risk of accidents and drownings, particularly at the start and end of the winter season.
Scientists reveal that the Antarctic ice sheet is more unstable than previously thought, with periods of sudden melting linked to changes in Earth's orbit. The study provides a glimpse into the potential behavior of Antarctica without the Greenland Ice Sheet, highlighting the urgent need for climate action.
Researchers at the University of Washington used a global climate model to simulate how ocean and air temperatures affect sea ice in the Southern Ocean. They found that warm Southern Ocean conditions and patterns in winds can explain 70% of the record-low winter sea ice extent in 2023, with similar predictions made for 2024.
A team of scientists, including Binghamton University's Molly Patterson, is drilling into the Ross Ice Shelf to retrieve geological records and gain insights into the ice sheet's response to global warming. The project aims to provide crucial data for adapting to sea-level rise and mitigating greenhouse gas emissions.
Under-ice species in the Arctic are facing significant threats as sea ice melts at a faster rate than anywhere else on Earth. Researchers studying microbial organisms in four environments found that the under-ice mix of species was the least diverse, composed mainly of specialist plankton and microbes adapted to harsh conditions.
A modelling study suggests that Martian ice deposits in mid-latitudes could provide conditions necessary for photosynthetic life. The study found that ice containing dust content levels between 0.01-0.1% could have a habitable region at depths of 5-38 cm, with cleaner ice allowing for deeper zones.
New research from University of Utah mathematicians and climate scientists sheds light on the dynamic processes driving global climate change. The studies reveal that sea ice is not a solid layer but a complex mixture of water, air, and brine, which affects heat transfer and polar ecosystems.
Researchers have discovered large underwater ice formations at the edge of the Canadian Beaufort Sea, revealing an unanticipated mechanism for submarine permafrost ice formation. The newly formed ice is created by melting ancient permafrost and refreezing as brackish groundwater approaches the seafloor.
A new study from York University finds that lake ice quality is deteriorating due to climate change, making it unstable and unsafe for humans. The researchers warn of the dangers of thin layers of black ice and white ice combinations, which can lead to accidents and even fatalities.
Researchers found that Arctic warming leads to an increase in ice-nucleating particles, which promote ice crystal formation in clouds. This can reduce liquid water content and potentially accelerate further warming.
New research using satellite technology tracks the movement of albatrosses and petrels, finding that they use sea ice-affected parts of the ocean for feeding and scavenging. The study suggests that Antarctica's shrinking sea ice could force seabirds to travel further or alter their food patterns, affecting ecosystems.
Researchers have found a new mechanism for the formation of impermeable horizontal ice layers below the surface of ice sheets, which could improve estimates of sea level rise. This process is critical for determining the contribution of ice sheet meltwater to sea level rise.
A new mathematical theory offers insights into how heat travels through sea ice, which affects global climate predictions. The study provides a way to relate sea ice's thermal properties to its temperature and salt content, allowing for more accurate climate models.
Scientists have developed a state-of-the-art computational model predicting land, ice and global sea-level interactions. The model estimates that reducing greenhouse gas emissions could slow melting Antarctic ice enough to allow Earth uplift to partially stabilize the ice sheet and prevent some future sea-level rise.
A research team deployed an unmanned submersible to map the underside of a floating ice shelf in Antarctica, revealing high melt rates and unique patterns. The findings raise questions about current models for predicting sea level rise.
A new reconstruction of past Arctic sea ice coverage shows surprisingly low levels in the 1940s, a period characterized by strong warming, before the 1950s. This finding suggests that anthropogenic forcing played a significant role in shaping climate variability during this time.
Scientists from Japan have discovered a new type of ice, known as ice 0, which can cause water droplets to freeze near their surface rather than at their core. This discovery resolves a debate about the formation of ice and has significant implications for climate studies and food sciences.
Researchers found that warming temperatures rapidly change how efficiently firn can store meltwater, while cooling temperatures may not help it recover as much. This 'firn asymmetry' contributes to the greater warming-than-cooling response of the Greenland Ice Sheet.
Researchers question the high levels of ice used at summer Olympics, citing potential stress on local resources and lack of evidence-based practices. They advocate for more sustainable approaches and better data on ice consumption.
Researchers found that sea ice's cooling power decreased by about twice as much as the decrease in annual average sea ice area since 1980. The Arctic has seen the largest declines in sea ice cooling power, while the Antarctic's cooling power has also weakened since 2016.
Scientists directly observe the precise shape of ice at its interface with liquid for the first time, revealing a flat surface with occasional steps. They also found that the ice is harder than previously estimated, using antifreeze and advanced microscopy.
Researchers used AI to map slush on Antarctic ice shelves and found that 57% of all meltwater is held in slush, with a significant impact on ice shelf stability and sea level rise. This discovery could lead to more accurate predictions of ice sheet melting and collapse.
Scientists at British Antarctic Survey have identified a new tipping point in Antarctic ice sheet melting due to ocean water intrusion. This process, currently not included in models, could lead to significant underestimates of sea level rise and accelerated ice sheet melting.
Researchers warn that Hudson Bay's growing ice-free period may reduce polar bear survival rates and reproductive success, threatening their population. If global warming exceeds 2.1 degrees Celsius, the ice-free period could extend beyond the bears' safe limit, leading to reduced survival rates.
A study by MIT scientists found that microscopic defects in the ice shape how massive glaciers flow, leading to revised predictions of future sea-level rise. The researchers developed a model to estimate an icy region's sensitivity to stress, directly relating it to its likelihood of flowing.
A recent study using large climate models found that record-breaking low Antarctic sea ice in 2023 was extremely unlikely without climate change. The research suggests strong climate change made the event four times more likely, with implications for local and global weather patterns.
Daily tracking of ice melt has been made possible with a new method developed by researchers at DTU using 61 national GPS stations in Greenland. The study provides significant advancement in monitoring ice mass loss and understanding the processes behind the ice melting.
New research reveals that ice shelves don't just buckle, but fracture when weighed down by meltwater lakes. This fracturing could cause vulnerable ice shelves to collapse and contribute to sea level rise.
Researchers have uncovered a feedback loop that may be accelerating the melting of ice shelves in West Antarctica, contributing to global sea level rise. The study suggests that as ice shelves melt, they produce more freshwater, which strengthens an underwater current carrying warm water towards the ice shelf.
A new study reveals that the Ross Ice Shelf, the largest ice shelf in Antarctica, moves 6-8 centimeters once or twice a day due to slip events triggered by the Whillans Ice Stream. This movement has significant implications for understanding the stability of Antarctica's ice shelves and potential icequakes.
Researchers used a Convolutional Long Short-Term Memory (ConvLSTM) neural network to predict Antarctic sea ice conditions. The prediction results showed a remarkably close alignment with recent satellite observations, confirming the reliability of the forecasting system and its potential for reliable Antarctic sea ice forecasting.
A new study suggests the Arctic could see its first ice-free day as early as the 2020s or 2030s, with an entire month without floating ice during September by mid-century. This would significantly impact Arctic animals and coastal communities, highlighting the need for low emissions to avoid prolonged ice-free conditions.
Scientists have observed the fastest-known large-scale breakage along an Antarctic ice shelf, demonstrating a 6.5-mile crack that formed in about 5.5 minutes at a speed of 80 mph. This finding reveals the physics behind ice sheet collapse and provides insights into potential calving events.
Researchers from TU Graz developed an innovative ice-repellent coating using initiated chemical vapour deposition (iCVD). The coating's unique mechanism involves random alignment of molecules, creating a surface that prevents ice crystals from sticking.
Research shows that undersea anchors of ice, known as pinning points, are shrinking at more than twice the rate compared to 50 years ago. This accelerated unanchoring of Antarctic ice shelves is expected to accelerate sea-level rise and global carbon emissions.
Researchers found that the West Antarctic Ice Sheet thinned by 450 meters in just under 200 years at the end of the Last Ice Age. The study sheds light on how quickly Antarctic ice could melt if temperatures continue to soar.
Researchers discovered that impure ice is less sticky than pure ice due to its unique structure and quasi-liquid layer. The study found that slow freezing processes preserve contaminants within the ice, leading to weaker adhesion. This discovery could lead to the design of next-generation winterization techniques.
Researchers found that reduced sea ice in West Antarctica leads to increased moisture in the atmosphere, resulting in heavier snowfalls on the ice sheet. While this adds to sea levels, it may slow their rise slightly, emphasizing the need for refined climate models to predict future changes.
A new study reveals that fungal proteins can facilitate ice formation at temperatures as warm as -10°C, challenging the long-held assumption that pure water only freezes at 0°C. The research also shows that these proteins are incredibly efficient, with some being 25 times smaller than other known ice-nucleating proteins.
A Cornell University-led team used an underwater robot to explore the ocean conditions beneath an Antarctic ice shelf, discovering a new circulation pattern involving a jet funneling water sideways through crevasses. The findings improve modeling of ice shelf melting and freezing rates, which can impact global sea-level rise.
Researchers at Durham University used satellite data and radio-echo sounding techniques to map a 32,000 km2 area of land underneath the vast ice sheet. They found an ancient landscape with valleys and ridges formed by rivers at least 14 million years ago.
Over 71 of Antarctica's 162 ice shelves have reduced in volume over the past 25 years, with a net release of 7.5 trillion tonnes of meltwater into the oceans. The western side of Antarctica experienced significant ice loss, while the eastern side remained relatively stable.
Research reveals the grounding line of the Ronne Ice Shelf can shift up to 15 km with changing tides, controlling ice stability and potentially accelerating ice melt. This finding highlights the need for improved observations and modeling of tidal processes to predict Antarctica's response to climate change.
Researchers at Oregon State University found that glacier ice melts twice as fast with pressurized air bubbles than without them, which could explain part of the observed melting rate difference. This discovery has significant implications for climate models and predicting ice melt rates.
New research from Northumbria University suggests that the West Antarctic ice sheet has not yet reached a tipping point towards irreversible collapse. The study, which used three different computer models to simulate the ice sheet's behavior, found that large-scale, irreversible ice loss in Antarctica is possible but not imminent.
Researchers found no indication of irreversible retreat in West Antarctica's ice sheet, but warn that current climate conditions could trigger slow and certain loss of ice over hundreds to thousands of years. The study suggests that even with no additional warming, an irreversible collapse is possible in 300-500 years.
A new study published in the Journal of Glaciology suggests that prior attempts to evaluate the mass of Antarctic ice shelves may have overestimated their thickness. The researchers found that on average, the Antarctic ice shelves are nearly 6% thinner than previously assumed, a difference of about 17 meters.
A new study led by Brown University researchers provides unprecedented insights into the forces influencing Arctic sea ice motion. The analysis reveals how local tidal currents affect sea ice movement and highlights the crucial role of the seafloor in causing abrupt changes.
The 'warm Arctic–cold Eurasia' pattern influences winter sea-ice anomalies in the Barents–Kara Sea, with a subseasonal transition from negative to positive ice coverage. This phenomenon is linked to atmospheric and oceanic changes driven by global warming.
Sediments from the Camp Century ice core show northwestern Greenland was ice-free during MIS 11 interglacial period. This finding indicates the Greenland Ice Sheet contributed to 1.4 meters of sea-level equivalent to global sea level during this time.
Scientists have developed a new radar technique that can image hidden features within the upper few feet of ice sheets, including melting glaciers on Earth and potentially habitable environments on Jupiter's moon Europa. The technique boosts resolution by combining two different radar bandwidths and looking for discrepancies.
Researchers at Nagoya University found that Arctic dust is a significant source of particles forming ice crystals in Arctic low-level clouds. The findings suggest that Arctic dust can act efficiently as an ice nucleating particle, increasing the number of ice nucleating particles by over 100 times.
A new parameterization scheme incorporating sea ice thickness improves wave forecasting accuracy in the Marginal Ice Zone. The model effectively captures directional attenuation and spreading of waves caused by sea ice.
Researchers from Heidelberg University identified a pivotal step in the Earth's later climate development, finding that a warm ice age around 700,000 years ago led to changes in global climate rhythms. This 'warm ice age' caused accumulation of excess continental ice, resulting in prolonged and far-reaching glaciation.
The Antarctic and Arctic seas are responding differently to climate change, with the Arctic experiencing more rapid melting and thinning. Continuous monitoring is crucial to understand how global warming affects each region's unique characteristics.