Found 14065 items
7 January, 2026 by Andrew Orr, David Goodger, Douglas Boyle, Ed King, Hamish Pritchard
Mountain glaciers provide an important service in sustaining river flows for large populations downstream of High Mountain Asia (HMA) but these glaciers are retreating and the future of this water…6 January, 2026 by John King, Maria Vittoria Guarino, Steve Colwell
Surface warming in the polar regions has important consequences for the stability of the lowest layers of the atmosphere and for atmospheric vertical movement. Here, using ERA5 reanalysis data and…Read more on A long-term shift in flow regimes over the Antarctic Peninsula
6 January, 2026 by Jasmine Lee
Antarctica’s compositionally and functionally unusual biodiversity is typically neglected in global biodiversity analyses, and ecological theory is rarely applied in the Antarctic context. These omissions mean that predictions of the…Read more on Ecological processes shaping Antarctic terrestrial biodiversity change
1 January, 2026 by Emma Pearce, Ronan Agnew
The grounding zone of a marine‐terminating glacier, where ice begins to float, is a key control on glacier stability and ice discharge. Seismic deployments are a powerful means of studying…1 January, 2026 by Aliaksandra Skachkova, Hannah Cubaynes, Jennifer Jackson, Penny Clarke, Peter Fretwell
Monitoring live and stranded cetaceans can be expensive and logistically challenging, resulting in knowledge gaps. Very high-resolution (VHR) optical satellites are considered a potential solution to addressing some of these…1 January, 2026 by Emma Young, Joanna Zanker
Climate change is impacting high-latitude fjord circulation with consequences for the transport of marine biota essential for supporting local ecosystems. Currently, little is understood about oceanographic variability in sub-Antarctic island…1 January, 2026 by Philip Hollyman
Mercury (Hg) is a neurotoxic element that can harm marine wildlife. Hg can reach the Southern Ocean through atmospheric and oceanic currents. However, data on Hg in Southern Ocean deep-sea…1 January, 2026 by Teal Riley
South Georgia forms one of the most isolated fragments of continental crust on Earth and lies in a remote location in the Southern Ocean. Its geology is dominated by Early…1 January, 2026 by Teal Riley
South Georgia lies in a remote position in the circumpolar South Atlantic and forms one of the most isolated continental fragments on Earth. The basement geology of South Georgia is…1 January, 2026 by Hua Lu
The Arctic is warming rapidly, with atmospheric rivers (ARs) amplifying ice melt, extreme precipitation, and abrupt temperature shifts. Detecting ARs in the Arctic remains challenging, because AR detection algorithms designed…Read more on A Deep Learning Approach to Detecting Atmospheric Rivers in the Arctic
31 December, 2025 by Connor Bamford, Hannah Cubaynes, Jennifer Jackson, Penny Clarke
The application of very high-resolution satellite imagery for the purpose of studying wildlife, particularly in remote regions, has gained significant traction in recent years. With this, there has been an…28 December, 2025
In this study, we report the response of migrating diurnal tides (DW1) in the mesosphere and lower thermosphere (MLT) region to the Madden‒Julian oscillation (MJO). The DW1 amplitudes are decomposed…23 December, 2025 by Chester Sands, David Barnes, Simon Morley
Marine biological (‘blue’) carbon pathways are crucial components of the global carbon budget due to the ecosystem services they provide through the fixation of CO2 from the atmosphere. CO2 is…22 December, 2025 by Katrin Linse
Methane seepage at the seafloor can form gas hydrate and sustain chemosynthetic communities of deep-sea animals. Most known hydrate seeps occur shallower than 2000 m on continental slopes, whereas hydrothermal…22 December, 2025 by Claus-Dieter Hillenbrand
The stability of the West Antarctic Ice Sheet (WAIS), crucial for predicting future sea-level rise, is threatened by ocean-forced melting in the Pacific sector of the Southern Ocean. While some…20 December, 2025 by Richard Phillips
Background: Albatrosses can commute long distances to feed during the breeding season by avoiding energetically costly flapping flight. Energy from both wind and waves can be used to sustain soaring…19 December, 2025 by Katrin Linse
Peracarida is a large group containing twelve orders of brooding crustaceans, including the large orders Amphipoda, Isopoda, Tanaidacea and Cumacea, and a series of smaller orders, some restricted to isolated…Read more on Unpouching Peracarida relationships with ultraconserved elements
18 December, 2025 by Alex Brisbourne, Ronan Agnew
Understanding how an ice sheet slips at its base is an important part of ice sheet models; this requires knowledge of the geological materials underlying the ice. Controlled-source seismic surveys…18 December, 2025 by Hamish Pritchard
The rapid expansion of glacial lakes in high-mountain regions, both in number and area, increases the risk of Glacial Lake Outburst Floods (GLOFs) to downstream communities. Optical remote sensing is…18 December, 2025 by Anje-Margriet Neutel, David Barnes
Ecological networks tend to contain many weak and only a few strong links. Furthermore, link strengths are often patterned within a network in ways that enhance system stability considerably, increasing…18 December, 2025 by Birgit Rogalla
Humans emitted millions of tons of the toxic element lead (Pb) into the atmosphere. The North Atlantic Ocean has been strongly affected by atmospheric Pb deposition, however the role of…Read more on The Arctic Ocean is a net sink for anthropogenic lead deposited into the Atlantic Ocean
17 December, 2025 by Jane Francis
During the late Paleozoic glacial ice extended from Antarctica across most of the Australian part of Gondwana. Maximum ice thickness over Antarctica was ∼5400–8000 m and over central Australia 2700–4000…16 December, 2025 by Thomas Lachlan-Cope
Over the Southern Ocean, atmospheric and climate models have large biases in their radiative fluxes, primarily caused by the representation of supercooled liquid and mixed-phase low-level clouds, both at the…15 December, 2025 by Thomas Bracegirdle
The Amundsen Sea is dominated by a quasi-stationary low-pressure region, the Amundsen Sea Low (ASL). ASL variability impacts on regional weather and the basal melting of ice shelves, an important…13 December, 2025 by Yohei Takano
Emissions-driven (prognostic CO2) simulations are essential for representing two-way carbon-climate feedback in Earth System Models. We present an emissions-driven land–atmosphere coupled biogeochemistry (BGC) configuration (BGCLNDATM_progCO2) in version 2.1 of the…12 December, 2025 by Anna Jones, Thomas Lachlan-Cope
Measurements of pre-industrial conditions are of paramount importance for understanding historical climate change. The Southern Ocean and Antarctic continent are some of the least polluted environments on planet Earth. Alkylamines…Read more on Multiple oceanic sources of alkylamines in Southern Ocean atmospheres
12 December, 2025 by Peter Convey
Primary producers shape terrestrial biodiversity, but most research has focused on vascular plants, while the role of cryptogams (mosses, lichens and algae) remains under-explored. Cryptogams dominate Antarctic vegetation and support…12 December, 2025 by Claus-Dieter Hillenbrand, James Smith
Sedimentary records can illuminate relationships between the climate, topography, and glaciation of West Antarctica by revealing its Cenozoic topographic and paleoenvironmental history. Eocene fluvial drainage patterns have previously been inferred…11 December, 2025 by Kate Hendry
Far from being frozen and sterile environments, glaciers are biogeochemical reactors and regulators. In this Review, we discuss the hydrology and biogeochemistry of glacierized environments and their impact on downstream…Read more on Glacier biogeochemical cycling and downstream impacts
10 December, 2025 by Peter Davis
Dotson Ice Shelf (DIS) is located in the Amundsen Sea sector of Antarctica, an area of rapid glacial mass loss due to ocean-driven basal melting. Here, warm Circumpolar Deep Water…Read more on Observations of turbulent mixing in the Dotson Ice Shelf cavity
9 December, 2025 by Shenjie Zhou
Antarctic Bottom Water (AABW) is derived from dense water that sinks from the Antarctic continental shelf to the deep ocean. The sinking of AABW is balanced by a return flow…8 December, 2025 by Alistair Monteath
Radiocarbon-dated fossils indicate woolly mammoths were extirpated from mainland Beringia around 13 000 years ago. However, environmental DNA in permafrost suggests small “cryptic“ populations survived into the Holocene. Resolving this discrepancy…Read more on Adopted “mammoths” from Alaska turn out to be a whale’s tale
8 December, 2025 by Huw Griffiths, Rowan Whittle, Tasnuva Khan
Seymour (Marambio) Island, Antarctica has one of the most expanded onshore Cretaceous–Paleogene sedimentary successions in the world. The deposition of the López de Bertodano Formation (~70–65.6 Ma) covered a time of…4 December, 2025 by Kaitlin Naughten, Keith Nicholls
Societal adaptation to rising sea levels requires robust projections of the Antarctic Ice Sheet's retreat, particularly due to ocean-driven basal melting of its fringing ice shelves. Recent advances in ocean…Read more on Multi-model estimate of Antarctic ice-shelf basal mass budget and ocean drivers
4 December, 2025 by Kevin Hank
We document the glacial system model (GSM), which is designed for large ensemble ice sheet modelling in glacial cycle contexts. A distinguishing feature is the extent to which it addresses…3 December, 2025 by Lloyd Peck
We present outcomes from our 17th horizon scan of issues potentially impacting global biodiversity conservation in the next decade. Issues are novel, or represent a significant step-change in impact, and…Read more on A horizon scan of biological conservation issues for 2026
1 December, 2025 by Kevin Hughes
Biological invasions are one of the major drivers of biodiversity decline and have been shown to have far‐reaching consequences for society and the economy. Preventing the introduction and spread of…1 December, 2025 by Jose Marques Queiros, Jose Dos Santos Abreu, Richard Phillips
The giant warty squid Moroteuthopsis longimana is an important prey of top predators in the Southern Ocean. It is therefore a major link in the pathway of contaminants like mercury…1 December, 2025 by Xu Zhang
Heinrich Stadial 1 (HS1; ~17.5-15 thousand years before present) was characterized by a weakening of the Atlantic Meridional Overturning Circulation (AMOC) that resulted in large hydroclimate changes across the global…1 December, 2025 by Thomas Bauska
Numerous evaporative saline playa lakes exist within the Thar Desert in Northwest India. Some are active seasonally, whereas others are dry and preserve up to several meters of sedimentary deposits.…1 December, 2025 by Alistair Monteath
Cryptotephra (non-visible volcanic ash) deposits in the Falkland Islands (Islas Malvinas) provide a distal record of South American volcanism and ash dispersal into the South Atlantic Ocean. Here, we present…1 December, 2025 by Dominic Hodgson, Stephen Roberts, Tony Phillips
Branched glycerol dialkyl glycerol tetraethers (brGDGTs) are a group of temperature-sensitive membrane lipids found in bacteria that have been widely used in palaeo-temperature reconstruction. Despite recent advances in analytical methods,…1 December, 2025 by Sophie Fielding
Antarctic krill (Euphausia superba) are among the most abundant species on our planet and serve as a vital food source for many marine predators in the Southern Ocean. In this…1 December, 2025 by Richard Phillips
Advancements in acoustic data collection technologies have greatly increased their use in wildlife monitoring, but produce large volumes of data that are challenging to analyse manually. Recent developments in machine…1 December, 2025 by Katrin Linse
Amathillopsis spinigera Heller, 1875, is an enigmatic peracarid crustacean species found in the Arctic Ocean. During the summer of 2024, it was recorded in the HAUSGARTEN observatory for the first…1 December, 2025 by Alex Brisbourne, Carlos Martin Garcia
Dielectric anisotropy in ice alters the propagation of polarized radio waves, so polarimetric radar sounding can be used to survey anisotropic properties of ice masses. Ice anisotropy is either intrinsic,…1 December, 2025 by Jasmine Lee, Kevin Hughes, Richard Phillips
Tourism in Antarctica is increasing rapidly and is concentrated predominantly in ice-free areas in the Antarctic Peninsula region, an area that holds globally important colonies of breeding birds. Since 2005,…1 December, 2025
Understanding how deleterious mutations affect fitness is central to evolutionary and conservation biology. However, most empirical studies rely on inbreeding as a proxy for the mutation load, overlooking the substantial…Read more on Early-life viability selection targets deleterious mutations in exons
1 December, 2025 by Lloyd Peck, Melody Clark
Amid 1. increasing anthropogenic pressures on ecosystems, standardised biodiversity monitoring is critical for assessing biodiversity change. Marine hard-bottom habitats, though ubiquitous and biodiverse, present challenges for biodiversity monitoring due to…1 December, 2025 by Ashley Bennison
Conserving marine species effectively requires spatially and temporally explicit knowledge of their abundance and distribution for assessing potential impacts (e.g., from fishery bycatch, anthropogenic sound, ship strikes) over different spatial…1 December, 2025 by Alistair Monteath, Emma Young, Stephen Roberts, Tom Jordan, Teal Riley
Pumice rafts derived from submarine eruptions can remain afloat for months or even years, traveling thousands of kilometers on ocean currents. These natural phenomena disperse marine organisms and provide important…28 November, 2025
As sea ice retreats in a warming climate, the Arctic Ocean is becoming more energetic; yet little is known about this additional energy's distribution in the water column. We use…28 November, 2025 by Peter Convey
Microorganisms often occur in association with macroalgae, with the term “phycosphere” referring to the seaweed surface where they may be present. Phycosphere represents a poorly explored niche of marine diversity,…27 November, 2025 by Caroline Holmes
Antarctic sea ice showed a profound, step-wise reduction around 2016-2017, but the scarcity of modern time series means that we know very little about how Southern Ocean biota have responded.…26 November, 2025 by Dominic Hodgson
Understanding past variability in Antarctic sea ice is of critical importance to determine how it regulates global climate processes, biogeochemistry, and Southern Ocean marine ecosystems. Records of changes in Holocene…26 November, 2025 by Marie Attard
The surface texture of bird eggshells differs remarkably between species and is thought to play a substantial role in providing physical and microbial protection for the developing embryo. We used…25 November, 2025 by Xu Zhang
As shown by paleoclimate data and climate models, many climate systems on Earth undergo abrupt shifts when they cross tipping points (TPs), and these abrupt shifts are sometimes preceded by…25 November, 2025 by Xu Zhang
The Atlantic Meridional Overturning Circulation (AMOC) plays a critical role in regulating global heat and hydrological redistributions. A primary concern regarding AMOC is its potential future collapse, as suggested by…24 November, 2025
As top predators, leopard seals (Hydrurga leptonyx) have a key role in Southern Ocean ecosystems. For example, this species has driven the local collapse of Antarctic fur seals (Arctocephalus gazella)…Read more on Genomic analyses reveal trans-generational haul out site fidelity in leopard seals
23 November, 2025 by Peter Convey
Diversity, distribution and biogeographical aspects of polar macroalgae must be reassessed as they face contemporary environmental changes. Macroalgae are the basis of the marine food web, efficient carbon sinks, biogenic…21 November, 2025 by Kaine Bunting, Mark Clilverd, Nigel Meredith, Thomas Daggitt
Relativistic electrons are an important space weather hazard, being a major source of radiation damage to satellites and posing a risk to humans in space. We use approximately 20 years…20 November, 2025 by Richard Phillips
Background: Pelagic seabirds forage over vast areas, and their movements and diet provide valuable insights into environmental conditions that are otherwise difficult to observe. Snow petrels Pagodroma nivea forage largely…18 November, 2025 by Hamish Pritchard
The Tibetan Plateau is a high-altitude arid region, where limited in-situ precipitation measurements are available. In this communication, we document a strong precipitation gradient at the southern edge of the…16 November, 2025 by Hua Lu, John King, Thomas Caton Harrison, Thomas Bracegirdle
Near-surface marine winds in coastal Antarctica have global importance, as they affect ocean circulation and sea-ice variability. We test the sensitivities of simulated near-surface winds and wind stress in coastal…15 November, 2025 by Teal Riley
The Antarctic Peninsula preserves a long history of Late Paleozoic and Mesozoic magmatism that reflects dynamic processes along the southwestern Gondwanan convergent margin. Granitoid magmatism is widespread across the Peninsula…Read more on Age and geology of granitoids in northeast Palmer Land, Antarctic Peninsula
15 November, 2025 by Alistair Monteath
Eastern Beringia (Alaska and western Yukon) is an extensive, high-latitude region of North America that remained largely unglaciated throughout the Quaternary. Consequently, its sedimentary deposits preserve long-term environmental records that…15 November, 2025 by Peter Convey
Plastic pollution has reached the remote terrestrial ecosystems of Antarctica, but the extent to which microplastics are affecting native terrestrial invertebrates has not been assessed. Using Antarctica's only endemic insect,…14 November, 2025 by Philip Trathan
Marine megafauna species are affected by a wide range of anthropogenic threats. To evaluate the risk of such threats, species’ vulnerability to each threat must first be determined. We build…Read more on Vulnerability of marine megafauna to global at‐sea anthropogenic threats
13 November, 2025 by Connor Bamford, Jamie Coleman, John Dickens, Nathan Fenney, Philip Hollyman, Peter Fretwell, John Dickens
The emergence of highly pathogenic avian influenza viruses (HPAIV) has caused widespread mortality wildlife globally. In 2023, mass mortalities of southern elephant seals Mirounga leonina were observed in South America,…12 November, 2025 by Josephine Anselin
Ocean-driven melting of floating ice shelves is currently the main process controlling Antarctica’s contribution to sea level rise. However, despite major advances in the study of ice shelf-ocean interaction over…Read more on Ocean mixing and heat transport beneath Antarctic ice shelves
12 November, 2025 by Peter Convey
The Intergovernmental Science-Policy Platform on Biodiversity and Ecosystem Services (IPBES) adopted a work program (2019–2030) that included, under its first objective, the interlinkages between biodiversity and climate change (IPBES, 2019).…Read more on Editorial: Biodiversity of Antarctic and Subantarctic ecosystems
7 November, 2025 by Michael Haigh
Coupled with the Antarctic Slope Front (ASF), the Antarctic Slope Current (ASC) mostly encircles Antarctica and has variable structures. Two regimes of the ASC/ASF have been identified in the Ross…7 November, 2025 by Paul Holland
Anomalous freshwater fluxes from the Greenland and Antarctic ice sheets and ice shelves are impacting the surrounding oceans, and we need to be able to account for these effects in…5 November, 2025 by Peter Convey
Dryas octopetala is one of the most important botanical components of Arctic tundra. In parts of the Norwegian High Arctic Archipelago of Svalbard it can face strong grazing pressure, in…5 November, 2025 by Carlos Martin Garcia
Numerical age models are useful tools for investigating the age of the ice in an ice sheet. They can be used to date ice cores or to interpret isochronal horizons…3 November, 2025 by Alison McLaren, Louise Sime, Qinggang Gao
There is an increasing need to understand how water is cycled and transported within the atmosphere, to aid water management. Here, atmospheric water tracers are added to the Met Office…Read more on Implementation of water tracers in the Met Office Unified Model
3 November, 2025 by James Kirkham
This policy brief summarizes for policymakers the extensive assessment contained in the peer-reviewed paper Siegert et al., 2025 “Safeguarding the polar regions from dangerous geoengineering: a critical assessment of proposed…Read more on Policy Brief: Safeguarding the polar regions from dangerous geoengineering
1 November, 2025 by Alison Cleary
Understanding diet composition is essential for unravelling trophic interactions in aquatic ecosystems. DNA metabarcoding, utilising various variable regions of the 18S rRNA gene, is increasingly employed to investigate zooplankton diet…1 November, 2025 by Peter Convey
Globalization has increased human movement, transforming ecosystems and introducing non-native species that threaten biodiversity, particularly in Antarctica. Due to its harsh climatic conditions, Antarctica has largely remained protected from biological…1 November, 2025 by Richard Horne
On 15 February 2018 a co-rotating interaction region (CIR) from an equatorial coronal hole reached the Earth. The CIR initiated a moderate and slowly intensifying geomagnetic storm, which began with…28 October, 2025 by Tasnuva Khan
Modern day benthic community composition and distribution in the Southern Ocean are influenced by a variety of environmental and evolutionary factors across different spatial scales. Depth, temperature, salinity, and sea…28 October, 2025 by Peter Davis
Pine Island Bay (PIB), situated in the Amundsen Sea, is renowned for its retreating ice shelves and highly variable sea ice. While brine rejection from sea ice formation and glacial…28 October, 2025 by Caroline Holmes, Thomas Bracegirdle
Antarctic sea ice area exhibited an abrupt decline in 2015–2016, transitioning from a near record maximum state to a then-record minimum state. The underlying drivers are still being studied, raising…Read more on Extreme Antarctic Sea Ice Loss Facilitated by Negative Shift of Southern Annular Mode
28 October, 2025 by Xu Zhang
A critical gap in East Asian summer monsoon research is the lack of speleothem records from its northeasternmost fringe, hindering tests of orbital-scale monsoon variability at higher latitudes. Our new…28 October, 2025 by Gabriele Stowasser, Jose Marques Queiros, Jose Dos Santos Abreu, Martin Collins, Mark Belchier, Philip Hollyman
Understanding food-web structure is crucial to determine the functioning of ecosystems and sustainably manage resources. The Scotia Sea is an important area for Antarctic krill and toothfish fisheries, and one…28 October, 2025 by Christopher Auckland, Povl Abrahamsen, Keith Nicholls, Michael Meredith, Peter Davis, Pierre Dutrieux, Shenjie Zhou
Continuous moored time series of temperature, salinity, pressure and current speed and direction are of great importance for understanding the continental shelf and under-ice-shelf dynamics and thermodynamics that govern water…27 October, 2025 by Chester Sands
The phylum Echinodermata is a familiar constituent of almost every marine environment and a predominant portion of the fauna in some regions. As with most marine taxa, the clade is…24 October, 2025 by Clara Manno, Florence Atherden, Geraint Tarling, Peter Ward
The Southern Ocean is a globally significant site of carbon sequestration with the copepod community exerting a strong influence on the carbon flux. Currently, a holistic understanding of Southern Ocean…Read more on Seasonal analysis of Southern Ocean copepod ecology using a moored sediment trap
23 October, 2025 by Alex Brisbourne, Andy Smith, Rebecca Schlegel
Basal conditions that facilitate fast ice flow are still poorly understood and their parameterization in ice‐flow models results in high uncertainties in ice‐flow and consequent sea‐level rise projections. Direct observations…23 October, 2025
Plastic pollution in the ocean is a global environmental issue, with buoyant debris accumulating at the surface and posing long-term ecological threats. Although sediments are the ultimate sink for plastics,…23 October, 2025 by Peter Convey
We evaluated the diversity and biotechnological potential of culturable fungi from sediments of Florencia and Katerina lakes, James Ross Island, maritime Antarctica. A total of 57 fungal isolates, belonging to…22 October, 2025 by Joanne Johnson, Tom Jordan, Teal Riley
Subglacial geology plays a key role in determining the rate of ice flow and sensitivity of the glacial system to atmospheric or ocean warming. However, bedrock geology is often poorly…22 October, 2025 by Katie Lowery, Paul Holland, Pierre Dutrieux
Ice shelves buttress the grounded ice sheet, restraining its flow into the ocean. Mass loss from these ice shelves occurs primarily through ocean-induced basal melting, with the highest melt rates…21 October, 2025 by Ainsley Hatt, David Barnes, Lloyd Peck, Melody Clark
Predicting how benthic assemblages respond to ocean warming remains a central challenge in marine ecology. Artificial units of habitat such as settlement plates have long been used to study marine…21 October, 2025 by Ben Evans
Multimodal artificial intelligence (AI) integrates diverse types of data via machine learning to improve understanding, prediction and decision-making across disciplines such as healthcare, science and engineering. However, most multimodal AI…Read more on Towards deployment-centric multimodal AI beyond vision and language
20 October, 2025 by Alex Brisbourne, Alvaro Arenas Pingarron, Carlos Martin Garcia, Carl Robinson, Hugh Corr, Tom Jordan, Alvaro Pingarron Arenas
Ground-penetrating radar reveals subsurface geometry and ice stratigraphy that contains information about past and present dynamics of the cryosphere. Synthetic Aperture Radar (SAR) is a processing technique based on averaging…