Our publications

Probe technology for the direct measurement and sampling of Ellsworth Subglacial Lake

1 January, 2011 by Andy Smith, Andrew Tait, Dominic Hodgson, David Pearce, Ed King, Hugh Corr, Keith Makinson, Linda Capper, Rachel Clarke, Richard Hindmarsh, Richard Hindmarsh

The direct measurement and sampling of Ellsworth Subglacial Lake is a multidisciplinary investigation of life in extreme environments and West Antarctic ice sheet history. The project's aims are (1) to…

Direct observations of nitric oxide produced by energetic electron precipitation into the Antarctic middle atmosphere

1 January, 2011 by David Newnham, David Maxfield, Mark Clilverd, Richard Horne

We report the first ground-based passive microwave observations made from Troll station, Antarctica, which show enhanced mesospheric nitric oxide (NO) volume mixing ratio reaching levels of 1.2 ppmv, or 2–3…

A meta-analysis of plant responses to dark septate root endophytes

1 January, 2011 by Kevin Newsham

P>Dark septate endophytes (DSE) frequently colonize roots in the natural environment, but the effects of these fungi on plants are obscure, with previous studies indicating negative, neutral or positive effects…

Structural changes to a mycothallus along a latitudinal transect through the maritime and sub-Antarctic

1 January, 2011 by Kevin Newsham

Previous studies have shown the leafy liverwort Cephaloziella varians to associate consistently with fungi, typically the ericoid mycorrhizal symbiont Rhizoscyphus ericae, across a wide latitudinal gradient in the maritime and…

Kinematic waves in polar firn stratigraphy

1 January, 2011

Radar studies of firn on the ice sheets have revealed complex folds on its internal layering that form from the interplay of snow accumulation and ice flow. A mathematical theory…

Upper temperature limits of tropical marine ectotherms: global warming implications

1 January, 2011 by Melody Clark, Simon Morley

Animal physiology, ecology and evolution are affected by temperature and it is expected that community structure will be strongly influenced by global warming. This is particularly relevant in the tropics,…

Migrations and winter quarters of five common terns tracked using geolocators

1 January, 2011 by Vsevolod Afanasyev

Ten geolocators (light-level data loggers) were attached to Common Terns (Sterna hirundo) at a breeding site in the northeastern USA in 2007 and 2008; six were retrieved (five with useful…

Antarctic intertidal limpet ecophysiology: a winter-summer comparison

1 January, 2011 by David Barnes, Lloyd Peck, Melody Clark, Simon Morley

The Antarctic intertidal zone is one of the world's most extreme marine environments. As well as having a typically high annual temperature variation (~ 30 °C), it is affected by…

A lacustrine GDGT-temperature calibration from the Scandinavian Arctic to Antarctic: Renewed potential for the application of GDGT-paleothermometry in lakes

1 January, 2011 by Stephen Roberts

Quantitative climate reconstructions are fundamental to understand long-term trends in natural climate variability and to test climate models used to predict future climate change. Recent advances in molecular geochemistry have…

Organisms and responses to environmental change

1 January, 2011 by Lloyd Peck

There is great concern currently over environmental change and the biotic responses, actual or potential, to that change. There is also great concern over biodiversity and the observed losses to…

Culturable diversity of heterotrophic bacteria in Forlidas Pond (Pensacola Mountains) and Lundstrom Lake (Shackleton Range), Antarctica

1 January, 2011 by Dominic Hodgson, Peter Convey

Cultivation techniques were used to study the heterotrophic bacterial diversity in two microbial mat samples originating from the littoral zone of two continental Antarctic lakes (Forlidas Pond and Lundstrom Lake)…

Sexual segregation in distribution, diet and trophic level of seabirds: insights from stable isotope analysis

1 January, 2011 by Richard Phillips

Considerable attention has focused on inter- and intraspecific variation in trophic niches of marine predators. Although this has revealed evidence for sexual segregation in distribution in some species, few studies…

Migration, wintering distribution and habitat use of an endangered tropical seabird, Barau’s petrel Pterodroma baraui

1 January, 2011 by Richard Phillips

Gadfly petrels are strictly oceanic seabirds that range very far from their breeding grounds. Foraging movements outside the breeding season are poorly described. We used global location sensing (GLS) to…

Shifts in coastal Antarctic marine microbial communities during and after melt water-related surface stratification

1 January, 2011 by Michael Meredith

Antarctic coastal waters undergo major physical alterations during summer. Increased temperatures induce sea-ice melting and glacial melt water input, leading to strong stratification of the upper water column. We investigated…

Reworked late Neogene Austrochlamys anderssoni (Mollusca: Bivalvia) from northern James Ross Island, Antarctica

1 January, 2011 by Alistair Crame

We report on the discovery of a new outcrop of fossiliferous Neogene sediments on northern James Ross Island, northern Antarctic Peninsula. Approximately 100 specimens of the pectinid bivalve Austrochlamys anderssoni…

Phase transitions of wax esters adjust buoyancy in diapausing Calanoides acutus

1 January, 2011 by Geraint Tarling

We study the composition and biophysical properties of wax esters extracted from the Antarctic copepod, Calanoides acutus, to explore if these factors adjust buoyancy in diapausing copepods. Levels of wax…

Importance of diatoms for Oithona in Antarctic waters

1 January, 2011 by Peter Ward

Fatty acid biomarker analysis of the Cyclopoid copepods Oithona similis and Oithona frigida sampled from the Southern Ocean during the austral summer has indicated differences in diet between the two…

Lea protein expression during cold-induced dehydration in the Arctic Collembola Megaphorura arctica

1 January, 2011 by Roger Worland

The Arctic springtail Megaphorura arctica (Tullberg, 1876) employs a strategy known as cryoprotective dehydration to survive winter temperatures as low as -25 degrees C. During cryoprotective dehydration, water is lost…

A review of the spatial extent of fishery effects and species vulnerability of the deep-sea demersal fish assemblage of the Porcupine Seabight, Northeast Atlantic Ocean (ICES Subarea VII)

1 January, 2011 by Martin Collins

We review information from scientific trawl surveys carried out between 1977 and 2002 in the Porcupine Seabight and Abyssal Plain area of the Northeast Atlantic (240-4865 m water depth). Since…

Understanding ice-sheet mass balance: progress in satellite altimetry and gravimetry

1 January, 2011 by Andrew Fleming, Hamish Pritchard

Satellite remote sensing has come to dominate the measurement of glacier and ice-sheet change. Three independent methods now exist for assessing ice-sheet mass balance and we focus on progress in…

Particle size measurement of diatoms with inference of their properties: comparison of three techniques

1 January, 2011

Diatom-rich sediments are common in several oceanic regions, especially the Southern Ocean. Some of these are strongly affected by bottom currents and are expected to be sorted by the flow.…

Cold hardening induces transfer of fatty acids between polar and nonpolar lipid pools in the Arctic collembollan Megaphorura arctica

1 January, 2011 by Roger Worland, Melody Clark

Cold hardiness in the Arctic Collembola Megaphorura arctica (Tullberg), formerly Onychiurus arcticus, has been the subject of extensive studies over the last decade. This species employs an unusual strategy known…

Bayesian estimation of basal conditions on Rutford Ice Stream, West Antarctica, from surface data

1 January, 2011 by Hilmar Gudmundsson

The determination of basal properties on ice streams from surface data is formulated as a Bayesian statistical inference problem. The theory is applied to a flowline on Rutford Ice Stream,…

Contemporary and historical separation of transequatorial migration between genetically distinct seabird populations

1 January, 2011 by Richard Phillips

Pelagic seabirds are highly mobile, reducing the likelihood of allopatric speciation where disruption of gene flow between populations is caused by physically insurmountable, extrinsic barriers. Spatial segregation during the non-breeding…

Till genesis at the bed of an Antarctic Peninsula palaeo-ice stream as indicated by micromorphological analysis

1 January, 2011 by Claus-Dieter Hillenbrand, Robert Larter

Sediment cores from cross-shelf troughs on the NE Antarctic Peninsula shelf recovered tills with variable shear strengths that represent different subglacial depositional regimes. In addition to detailed qualitative micromorphological descriptions,…

Streaming flow of an Antarctic Peninsula palaeo-ice stream, both by basal sliding and deformation of substrate

1 January, 2011 by Claus-Dieter Hillenbrand, Robert Larter

Acoustic sub-bottom profiler surveys on the northeast Antarctic Peninsula shelf indicate that parts of the seabed are underlain by an acoustically transparent layer that is thin on the inner shelf…

Local ecosystem feedbacks and critical transitions in the climate

1 January, 2011 by Anje-Margriet Neutel

Global and regional climate models, such as those used in IPCC assessments, are the best tools available for climate predictions. Such models typically account for large-scale land-atmosphere feedbacks. However, these…

Geological Map of Adelaide Island, Antarctic Peninsula

1 January, 2011 by Teal Riley

Geological Map of Eastern Graham Land, Antarctic Peninsula

1 January, 2011 by Teal Riley

Geological Map of the South Orkney Islands

1 January, 2011 by Teal Riley

The basal roughness of Pine Island Glacier, West Antarctica

1 January, 2011 by David Vaughan, Hugh Corr

We assess basal roughness beneath Pine Island Glacier (PIG), West Antarctica, based on a recent airborne radio-echo sounding dataset. We identify a clear relationship between faster ice flow and decreased…

The diet of toothfish species Dissostichus eleginoides and Dissostichus mawsoni with overlapping distributions

1 January, 2011

The diets of Antarctic toothfish Dissostichus mawsoni and Patagonian toothfish Dissostichus eleginoides were examined around the South Sandwich Islands in the Southern Ocean, one of few regions with overlapping populations…

Geological constraints on glacio-isostatic adjustment models of relative sea-level change during deglaciation of Prince Gustav Channel, Antarctic Peninsula

1 January, 2011 by Dominic Hodgson, Stephen Roberts

The recent disintegration of Antarctic Peninsula ice shelves, and the associated accelerated discharge and retreat of continental glaciers, has highlighted the necessity of quantifying the current rate of Antarctic ice…

Revisiting the lower stratospheric water vapour trend from the 1950s to 1970s

1 January, 2011 by Howard Roscoe

Previous work showed a near-continuous increase in stratospheric water vapour between the 1950s and 1990s from a variety of instruments, without recourse to fits between instruments. We reassess the trend…

Ellsworth Subglacial Lake, West Antarctica: A review of its history and recent field campaigns

1 January, 2011 by Andy Smith, Andrew Tait, Dominic Hodgson, David Pearce, Ed King, Hugh Corr, Keith Makinson, Linda Capper, Rachel Clarke, Richard Hindmarsh, Richard Hindmarsh

Ellsworth Subglacial Lake, first observed in airborne radio echo sounding data acquired in 1978, is located within a long, deep subglacial trough within the Ellsworth Subglacial Highlands of West Antarctica.…

Holocene stability of the Amundsen-Weddell ice divide, West Antarctica

1 January, 2011 by Andy Smith, Ed King, Hugh Corr, Richard Hindmarsh, Richard Hindmarsh

We analyze Holocene ice flow using global positioning system and radio-echo sounding data acquired near the Amundsen-Weddell ice divide, between Pine Island Glacier and the Institute Ice Stream, West Antarctica.…

Environmental isotopic records preserved in Antarctic peat moss banks

1 January, 2011

Estimating migratory connectivity of gray catbirds (Dumetella Carolinensis) using geolocator and mark-recapture data

1 January, 2011

Understanding the connectivity between breeding and nonbreeding populations of migratory birds is fundamental to our knowledge of biological phenomena such as population dynamics and dispersal. Moreover, our ability to quantify…

Mean-flow and topographic control on surface eddy-mixing in the Southern Ocean

1 January, 2011

Surface cross-stream eddy diffusion in the Southern Ocean is estimated by monitoring dispersion of particles numerically advected with observed satellite altimetry velocity fields. To gain statistical significance and accuracy in…

Parameterization of eddy-induced subduction in the Southern Ocean surface-layer

1 January, 2011 by Jean-Baptiste Sallee

The divergence of the eddy mass flux in the surface layer of the Southern Ocean makes an important contribution to subduction of fluid through the base of the mixed layer.…

Mesosphere-to-stratosphere descent of odd nitrogen in February-March 2009 after sudden stratospheric warming

1 January, 2011

We use the 3-D FinROSE chemistry transport model (CTM) and Atmospheric Chemistry Experiment Fourier Transform Spectrometer (ACE-FTS) observations to study connections between atmospheric dynamics and middle atmospheric NOx (NOx =…

How likely was a green Antarctic Peninsula during warm Pliocene interglacials? : a critical reassessment based on new palynofloras from James Ross Island

1 January, 2011

The question of whether Pliocene climate was warm enough to support a substantial vegetation cover on Antarctica is of great significance to the ongoing and controversial debate on the stability…

Lamprophyre dikes as tectonic markers of late orogenic transtension timing and kinematics: a case study from the Central Iberian Zone

1 January, 2011

Variscan Central Iberian Zone lamprophyre dikes cut synorogenic to late orogenic peraluminous S-type granitoids marking an important shift in regional tectonic regime from earlier, 350-290 Ma, extension-related crustal melting to…

Seabed foraging by Antarctic krill: Implications for stock assessment, bentho-pelagic coupling, and the vertical transfer of iron

1 January, 2011 by Claire Allen, Geraint Tarling, Sophie Fielding

A compilation of more than 30 studies shows that adult Antarctic krill (Euphausia superba) may frequent benthic habitats year-round, in shelf as well as oceanic waters and throughout their circumpolar…

The hole in the ozone layer

1 January, 2011 by Jonathan Shanklin

Profound change of the near-Earth radiation environment caused by solar superstorms

1 January, 2011 by Richard Horne

The outer radiation belt is often enhanced during storms while the inner belt is usually considered to be unaffected by geomagnetic activity. During the most recent Halloween superstorms, the extreme…

Weather and climate

1 January, 2011 by Emily Shuckburgh

Mixed layer lateral eddy fluxes mediated by air-sea interaction

1 January, 2011 by Emily Shuckburgh

The modulation of air-sea heat fluxes by geostrophic eddies due to the stirring of temperature at the sea surface is discussed and quantified. It is argued that the damping of…

Antarctic accumulation seasonality

1 January, 2011 by Eric Wolff, Louise Sime

The resemblance of the orbitally filtered isotope signal from the past 340 kyr in Antarctic ice cores to Northern Hemisphere summer insolation intensity has been used to suggest that the…

Automated processing to derive dip angles of englacial radar reflectors in ice sheets

1 January, 2011 by Hugh Corr, Louise Sime, Richard Hindmarsh, Richard Hindmarsh

We present a novel automated processing method for obtaining layer dip from radio-echo sounding (RES) data. The method is robust, easily applicable and can be used to process large (several…

Turning on the heat: ecological response to simulated warming in the sea

1 January, 2011 by David Barnes, Lloyd Peck

Significant warming has been observed in every ocean, yet our ability to predict the consequences of oceanic warming on marine biodiversity remains poor. Experiments have been severely limited because, until…

Late Miocene volcanic sequences in northern Victoria Land, Antarctica: products of glaciovolcanic eruptions under different thermal regimes

1 January, 2011

Late Miocene (c. 13-5 Ma) volcanic sequences of the Hallett Volcanic Province (HVP) crop out along > 250 km of western Ross Sea coast in northern Victoria Land. Eight primary…

Deglacial history of the West Antarctic Ice Sheet in the western Amundsen Sea Embayment

1 January, 2011 by Claus-Dieter Hillenbrand, James Smith, Robert Larter

The Amundsen Sea Embayment (ASE) drains approximately 35% of the West Antarctic Ice Sheet (WAIS) and is one of the most rapidly changing parts of the cryosphere. In order to…

A benchmark study for glacial-isostatic adjustment codes

1 January, 2011

The study of Glacial Isostatic Adjustment (GIA) is gaining an increasingly im-portant role within the geophysical community. Understanding the response of the Earth to loading is crucial in various contexts,…

The influence of winds, sea-surface temperature and precipitation anomalies on Antarctic regional sea-ice conditions during IPY 2007

1 January, 2011

The 2007 International Polar Year (IPY) in the Antarctic was distinguished by strong regional and seasonal ice-atmosphere-ocean anomalies associated with an overall weakening of the prevailing westerly circulation. Here we…

Foraging behaviour in two Antarctic fur seals colonies with differing population recoveries

1 January, 2011 by Iain Staniland, Jaume Forcada

We compared Antarctic fur seals Arctocephalus gazella breeding at 2 contrasting sites on South Georgia: one high density colony at Bird Island and one lower density colony at Cooper Bay.…

Expression of the bipolar see-saw in Antarctic climate records during the last deglaciation

1 January, 2011 by Robert Mulvaney

Ice-core records of climate from Greenland and Antarctica show asynchronous temperature variations on millennial timescales during the last glacial period(1). The warming during the transition from glacial to interglacial conditions…

Explosive rhyolite tuya formation: classic examples from Kerlingarfjoll, Iceland

1 January, 2011

Rhyolite eruptions in Iceland mostly take place at long-lived central volcanoes, examples of which are found associated with each of the present-day rift-zone ice caps. Subglacial eruptions at Kerlingarfjöll central…

The Southern Ocean: Source and sink?

1 January, 2011 by Katrin Linse

Many members of the benthic fauna of the Antarctic continental shelf share close phylogenetic relationships to the deep-sea fauna adjacent to Antarctica and in other ocean basins. It has been…

A horizon scan of global conservation issues for 2011

1 January, 2011 by Lloyd Peck

This review describes outcomes of a 2010 horizon-scanning exercise building upon the first exercise conducted in 2009. The aim of both horizon scans was to identify emerging issues that could…

Importance of plasma injection events for energization of relativistic electrons in the Jovian magnetosphere

1 January, 2011 by Richard Horne

Effects of density decrease in plasma injection regions and a latitude-dependent wave normal angle distribution on the energization of electrons by whistler mode waves at Jupiter are investigated. Previous work…

Inter-population segregation in the wintering areas of macaroni penguins

1 January, 2011 by Philip Trathan

How top avian predators are distributed at sea during the inter-breeding period remains poorly known. Here we focused on the pelagic seabird that is the single greatest avian consumer of…

Larger foraging range but similar habitat selection in non-breeding versus breeding sub-Antarctic penguins

1 January, 2011 by Philip Trathan

For land-breeding marine organisms such as seabirds, knowledge about their habitat use has mainly been gained through studies of breeding individuals that are constrained to return frequently to their breeding…

Proteomics of cryoprotective dehydration in Megaphorura arctica Tullberg 1876 (Onychiuridae: Collembola)

1 January, 2011 by Michael Thorne, Roger Worland, Melody Clark

The Arctic springtail, Megaphorura arctica Tullberg 1876 (Onychiuridae: Collembola), is one of the few organisms known to survive the extreme stresses of its environment by using cryoprotective dehydration. We have…

Subduction erosion of forearc mantle wedge implicated in the genesis of the South Sandwich Island (SSI) arc: Evidence from boron isotope systematics

1 January, 2011 by Philip Leat

The South Sandwich volcanic arc is sited on a young oceanic crust, erupts low-K tholeiitic rocks, is characterized by unexotic pelagic and volcanogenic sediments on the down-going slab, and simple…

First recorded loss of an emperor penguin colony in the recent period of Antarctic regional warming: implications for other colonies

1 January, 2011 by Philip Trathan, Peter Fretwell

In 1948, a small colony of emperor penguins Aptenodytes forsteri was discovered breeding on Emperor Island (67 degrees 51' 52 '' S, 68 degrees 42' 20 '' W), in the…

An assessment of seabird-fishery interactions in the Atlantic Ocean

1 January, 2011 by Richard Phillips

Currently, 17 of 22 albatross species are listed as Vulnerable, Endangered, or Critically endangered by the International Union for the Conservation of Nature (IUCN). Incidental mortality in fisheries is by…

The Antarctic ozone hole during 2008 and 2009

1 January, 2011 by Jonathan Shanklin

The Antarctic ozone holes of 2008 and 2009 are reviewed from various perspectives, making use of a range of Australian data and analyses. In both years, ozone holes formed that…

Climate change in the polar regions

1 January, 2011 by Gareth Marshall, John Turner

The polar regions have experienced some remarkable environmental changes in recent decades, such as the Antarctic ozone hole, the loss of large amounts of sea ice from the Arctic Ocean…

Stability of complex food webs: Resilience, resistance and the average interaction strength

1 January, 2011

In the face of stochastic climatic perturbations, the overall stability of an ecosystem will be determined by the balance between its resilience and its resistance, but their relative importance is…

Putting the Earth into Earth System Science

1 January, 2011

Potential seaways across West Antarctica

1 January, 2011 by David Vaughan, David Barnes, Peter Fretwell

The West Antarctic ice sheet (WAIS) has long been considered vulnerable to rapid retreat and today parts are rapidly losing ice. Projection of future change in WAIS is, however, hampered…

Post-glacial regional climate variability along the East Antarctic coastal margin – evidence from shallow marine and coastal terrestrial records

1 January, 2011 by Dominic Hodgson, Gareth Marshall, Stephen Roberts

We review the post-glacial climate variability along the East Antarctic coastline using terrestrial and shallow marine geological records and compare these reconstructions with data from elsewhere. Nearly all East Antarctic…

Skin healing and scale regeneration in fed and unfed sea bream, Sparus auratus

1 January, 2011 by Michael Thorne, Melody Clark

Background Fish scales are an important reservoir of calcium and phosphorus and together with the skin function as an integrated barrier against environmental changes and external aggressors. Histological studies have…

First fossil sponge from Antarctica and its palaeobiogeographical significance

1 January, 2011 by Alistair Crame

Laocoetis piserai n. sp. (Hexactinellida, Porifera) from the mid-Cretaceous (i.e., Albian–Cenomanian) of James Ross Island is the first record of a fossil sponge from Antarctica. This new occurrence of a…

Habitat preference, accessibility, and competition limit the global distribution of breeding black-browed albatrosses

1 January, 2011 by Philip Trathan, Richard Phillips

Telemetry methods and remote sensing now make it possible to record the spatial usage of wide-ranging marine animals and the biophysical characteristics of their pelagic habitats. Furthermore, recent statistical advances…

Long-term ecosystem networks to record change: an international imperative

1 January, 2011 by Peter Convey

A new Holocene relative sea level curve for the South Shetland Islands, Antarctica

1 January, 2011 by Dominic Hodgson, Peter Fretwell, Robert Larter, Stephen Roberts

Precise relative sea level (RSL) data are important for inferring regional ice sheet histories, as well as helping to validate numerical models of ice sheet evolution and glacial isostatic adjustment.…

Close coupling between ammonium uptake by phytoplankton and excretion by Antarctic krill, Euphausia superba

1 January, 2011

In this study we examined the hypothesis that, under conditions of replete macronutrients and iron in the Southern Ocean, phytoplankton abundance and specific N uptake rates are influenced strongly by…

The fossil record of Limopsis (Bivalvia: Limopsidae) in Antarctica and the southern high latitudes

1 January, 2011 by Huw Griffiths, Katrin Linse, Rowan Whittle

Limopsis is one of the most speciose and widespread bivalve genera in the Southern Ocean at the present day. However, the fossil record of the genus is poorly known from…

Modelling the reorientation of sea-ice faults as the wind changes direction

1 January, 2011

A discrete-element model of sea ice is used to study how a 900 change in wind direction alters the pattern of faults generated through mechanical failure of the ice. The…

Climate change and ice cores

1 January, 2011 by Eric Wolff

Predicting how climate will change in the future requires a sound understanding of physical processes. This is underpinned by observation of how and why climate has changed in the past.…

Methane and monsoons

1 January, 2011 by Eric Wolff

The rising trend in atmospheric concentrations of methane over the past 5,000 years has been attributed to human agency. A modelling study, of a power that has only now become…

Clarifications about the concept and review process of Climate of the Past

1 January, 2011 by Eric Wolff

Icy response

1 January, 2011 by Eric Wolff

Greenhouse gases in the earth system: a palaeoclimate perspective

1 January, 2011 by Eric Wolff

While the trends in greenhouse gas concentrations in recent decades are clear, their significance is only revealed when viewed in the context of a longer time period. Fortunately, the air…

Cephalopods in marine predator diet assessments: why identifying upper and lower beaks is important

1 January, 2011 by Richard Phillips

Cephalopods are components of the diet of many predators worldwide. They are identified mainly using their chitinized upper and lower beaks, but because it has been assumed that the number…

Foraging areas of streaked shearwaters in relation to seasonal changes in the marine environment of the Northwestern Pacific: inter-colony and sex-related differences

1 January, 2011 by Philip Trathan

As the spatial distribution of marine organisms is often affected by seasonal changes, pelagic seabirds may change their foraging areas in response to seasonal changes in the marine environment. Here,…

High-resolution modelling of the shelf and open ocean adjacent to South Georgia, Southern Ocean

1 January, 2011 by Eugene Murphy, Emma Young, Michael Meredith

The marine ecosystem on the shelf and open ocean adjacent to South Georgia is extraordinarily rich, with a history of commercial exploitation. Although much progress has been made, attempts at…

Divergent transcriptomic responses to repeated and single cold exposures in Drosophila melanogaster

1 January, 2011 by Melody Clark

Insects in the field are exposed to multiple bouts of cold, and there is increasing evidence that the fitness consequences of repeated cold exposure differ from the impacts of a…

Effects of energy and pitch angle mixed diffusion on radiation belt electrons

1 January, 2011 by Nigel Meredith, Richard Horne

Understanding the dynamics of the Earth's radiation belts is important for modeling and forecasting the intensities of energetic electrons in space. Wave diffusion processes are known to be responsible for…

Science in the snow: Fifty years of international collaboration through the Scientific Committee on Antarctic Research

1 January, 2011

The Scientific Committee on Antarctic Research and the Antarctic Treaty

1 January, 2011

A consistent data set of Antarctic ice sheet topography, cavity geometry, and global bathymetry

22 December, 2010 by Adrian Jenkins, Keith Makinson, Pierre Dutrieux

Sub-ice shelf circulation and freezing/melting rates in ocean general circulation models depend critically on an accurate and consistent representation of cavity geometry. Existing global or pan-Antarctic data sets have turned…

Ice core evidence for a 20th century decline in sea ice in the Bellingshausen Sea, Antarctica

16 December, 2010 by Liz Thomas, Louise Sime, Robert Mulvaney, Thomas Bracegirdle

This study uses ice core methanesulphonic acid (MSA) records from the Antarctic Peninsula, where temperatures have been warming faster than anywhere else in the Southern Hemisphere, to reconstruct the 20th…

Bayesian analysis of rapid climate change during the last glacial using Greenland δ18O data

14 December, 2010

We present statistical methods to determine climate regimes for the last glacial period using three temperature proxy records from Greenland: measurements of δ18O from the Greenland Ice Sheet Project 2…

Ground-based estimates of outer radiation belt energetic electron precipitation fluxes into the atmosphere

1 December, 2010 by Mark Clilverd

AARDDVARK data from a radio wave receiver in Sodankyla, Finland have been used to monitor transmissions across the auroral oval and just into the polar cap from the very low…

Relativistic microburst storm characteristics: Combined satellite and ground-based observations

1 December, 2010 by Mark Clilverd

We report a comparison of Solar Anomalous Magnetospheric Particle Explorer detected relativistic electron microbursts and short-lived subionospheric VLF perturbations termed FAST events, observed at Sodankyl Geophysical Observatory, Finland, during 2005.…

Analysis of a rapid sea ice retreat event in the Bellingshausen Sea

1 December, 2010 by John King, Paul Holland

The winter advance of the sea ice edge in the Bellingshausen Sea is frequently interrupted by periods of rapid retreat lasting a few days. The frequency and duration of such…

Research outputs

Showing: All publications

Probe technology for the direct measurement and sampling of Ellsworth Subglacial Lake

Direct observations of nitric oxide produced by energetic electron precipitation into the Antarctic middle atmosphere

A meta-analysis of plant responses to dark septate root endophytes

Structural changes to a mycothallus along a latitudinal transect through the maritime and sub-Antarctic

Kinematic waves in polar firn stratigraphy

Upper temperature limits of tropical marine ectotherms: global warming implications

Migrations and winter quarters of five common terns tracked using geolocators

Antarctic intertidal limpet ecophysiology: a winter-summer comparison

A lacustrine GDGT-temperature calibration from the Scandinavian Arctic to Antarctic: Renewed potential for the application of GDGT-paleothermometry in lakes

Organisms and responses to environmental change

Culturable diversity of heterotrophic bacteria in Forlidas Pond (Pensacola Mountains) and Lundstrom Lake (Shackleton Range), Antarctica

Sexual segregation in distribution, diet and trophic level of seabirds: insights from stable isotope analysis

Migration, wintering distribution and habitat use of an endangered tropical seabird, Barau’s petrel Pterodroma baraui

Shifts in coastal Antarctic marine microbial communities during and after melt water-related surface stratification

Reworked late Neogene Austrochlamys anderssoni (Mollusca: Bivalvia) from northern James Ross Island, Antarctica

Phase transitions of wax esters adjust buoyancy in diapausing Calanoides acutus

Importance of diatoms for Oithona in Antarctic waters

Lea protein expression during cold-induced dehydration in the Arctic Collembola Megaphorura arctica

A review of the spatial extent of fishery effects and species vulnerability of the deep-sea demersal fish assemblage of the Porcupine Seabight, Northeast Atlantic Ocean (ICES Subarea VII)

Understanding ice-sheet mass balance: progress in satellite altimetry and gravimetry

Particle size measurement of diatoms with inference of their properties: comparison of three techniques

Cold hardening induces transfer of fatty acids between polar and nonpolar lipid pools in the Arctic collembollan Megaphorura arctica

Bayesian estimation of basal conditions on Rutford Ice Stream, West Antarctica, from surface data

Contemporary and historical separation of transequatorial migration between genetically distinct seabird populations

Till genesis at the bed of an Antarctic Peninsula palaeo-ice stream as indicated by micromorphological analysis

Streaming flow of an Antarctic Peninsula palaeo-ice stream, both by basal sliding and deformation of substrate

Local ecosystem feedbacks and critical transitions in the climate

Geological Map of Adelaide Island, Antarctic Peninsula

Geological Map of Eastern Graham Land, Antarctic Peninsula

Geological Map of the South Orkney Islands

The basal roughness of Pine Island Glacier, West Antarctica

The diet of toothfish species Dissostichus eleginoides and Dissostichus mawsoni with overlapping distributions

Geological constraints on glacio-isostatic adjustment models of relative sea-level change during deglaciation of Prince Gustav Channel, Antarctic Peninsula

Revisiting the lower stratospheric water vapour trend from the 1950s to 1970s

Ellsworth Subglacial Lake, West Antarctica: A review of its history and recent field campaigns

Holocene stability of the Amundsen-Weddell ice divide, West Antarctica

Environmental isotopic records preserved in Antarctic peat moss banks

Estimating migratory connectivity of gray catbirds (Dumetella Carolinensis) using geolocator and mark-recapture data

Mean-flow and topographic control on surface eddy-mixing in the Southern Ocean

Parameterization of eddy-induced subduction in the Southern Ocean surface-layer

Mesosphere-to-stratosphere descent of odd nitrogen in February-March 2009 after sudden stratospheric warming

How likely was a green Antarctic Peninsula during warm Pliocene interglacials? : a critical reassessment based on new palynofloras from James Ross Island

Lamprophyre dikes as tectonic markers of late orogenic transtension timing and kinematics: a case study from the Central Iberian Zone

Seabed foraging by Antarctic krill: Implications for stock assessment, bentho-pelagic coupling, and the vertical transfer of iron

The hole in the ozone layer

Profound change of the near-Earth radiation environment caused by solar superstorms

Weather and climate

Mixed layer lateral eddy fluxes mediated by air-sea interaction

Antarctic accumulation seasonality

Automated processing to derive dip angles of englacial radar reflectors in ice sheets

Turning on the heat: ecological response to simulated warming in the sea

Late Miocene volcanic sequences in northern Victoria Land, Antarctica: products of glaciovolcanic eruptions under different thermal regimes

Deglacial history of the West Antarctic Ice Sheet in the western Amundsen Sea Embayment

A benchmark study for glacial-isostatic adjustment codes

The influence of winds, sea-surface temperature and precipitation anomalies on Antarctic regional sea-ice conditions during IPY 2007

Foraging behaviour in two Antarctic fur seals colonies with differing population recoveries

Expression of the bipolar see-saw in Antarctic climate records during the last deglaciation

Explosive rhyolite tuya formation: classic examples from Kerlingarfjoll, Iceland

The Southern Ocean: Source and sink?

A horizon scan of global conservation issues for 2011

Importance of plasma injection events for energization of relativistic electrons in the Jovian magnetosphere

Inter-population segregation in the wintering areas of macaroni penguins

Larger foraging range but similar habitat selection in non-breeding versus breeding sub-Antarctic penguins

Proteomics of cryoprotective dehydration in Megaphorura arctica Tullberg 1876 (Onychiuridae: Collembola)

Subduction erosion of forearc mantle wedge implicated in the genesis of the South Sandwich Island (SSI) arc: Evidence from boron isotope systematics

First recorded loss of an emperor penguin colony in the recent period of Antarctic regional warming: implications for other colonies

An assessment of seabird-fishery interactions in the Atlantic Ocean

The Antarctic ozone hole during 2008 and 2009

Climate change in the polar regions

Stability of complex food webs: Resilience, resistance and the average interaction strength

Putting the Earth into Earth System Science

Potential seaways across West Antarctica

Post-glacial regional climate variability along the East Antarctic coastal margin – evidence from shallow marine and coastal terrestrial records

Skin healing and scale regeneration in fed and unfed sea bream, Sparus auratus

First fossil sponge from Antarctica and its palaeobiogeographical significance

Habitat preference, accessibility, and competition limit the global distribution of breeding black-browed albatrosses

Long-term ecosystem networks to record change: an international imperative