Our publications
Filtered view
Showing 13487 items
Evidence for the importance of `small’ faults on block rotation
1 January, 1998
Field and earthquake data are presented which show that small faults can be important during block rotation. `Small' here means those faults which are at least an order of magnitude…Read more on Evidence for the importance of `small’ faults on block rotation
The Antarctic Plant Database: a specimen and literature based information system
1 January, 1998 by Helen Peat
The British Antarctic Survey's Antarctic Plant Database holds over 50,000 herbarium records for Antarctic and sub-Antarctic flowering plants and cryptogams held in herbaria world-wide. In addition, it holds information on…Read more on The Antarctic Plant Database: a specimen and literature based information system
Feeding, metabolism and metabolic scope in Antarctic marine ectotherms
1 January, 1998 by Lloyd Peck
The rise in metabolism following feeding exhibited by animals, known as the heat increment or specific dynamic action (SDA) of feeding has been well known since the 1930s when it…Read more on Feeding, metabolism and metabolic scope in Antarctic marine ectotherms
Marine High Mg Calcite Cements in Teredolites-Bored Fossil Wood; Evidence for Cool Paleoclimates in the Eocene La Meseta Formation, Seymour Island, Antarctica
1 January, 1998 by Alistair Crame
Aims to describe petrography and geochemistry of calcite cements precipitated in species borings from the lower 180m of La Meseta Formation on island. Interprets data in terms of diagenetic history…Accurate derivation of total and stratospheric vertical columns of NO2 from ground-based zenith-sky measurements
1 January, 1998 by Howard Roscoe
A new method for retrieving the vertical profile of NO2 from ground-based measurements is applied to four months of measurements made at Aberdeen (57°N) during part of SESAME from November…Estimates of Southern Ocean primary production—constraints from predator carbon demand and nutrient drawdown
1 January, 1998 by Eugene Murphy
In view of the wide range of estimates for the total primary production for the Southern Ocean south of the Subantarctic Front—current estimates range from 1.2 to 3.5 Gtonne C…Re-examining the Antarctic Paradox: speculation on the southern Ocean as a nutrient-limited system
1 January, 1998 by Eugene Murphy
The Southern Ocean is the largest of the high-nutrient, low-chlorophyll (HNLC) regions of the world ocean. Phytoplankton production fails to utilise completely the pool of inorganic nutrients in the euphotic…Glacial–interglacial deposition on a sediment drift on the Pacific margin of the Antarctic Peninsula
1 January, 1998
On the continental rise west of the Antarctic Peninsula there are nine large mounds interpreted as sediment drifts, separated by turbidity current channels. Drift 7 is 150 km long, 70…Quaternary history of the Antarctic Circumpolar Current: evidence from the Scotia Sea
1 January, 1998
Within the Scotia Sea, the axis of the Antarctic Circumpolar Current (ACC) is geographically confined, and sediments therefore contain a record of palaeo-flow speed uncomplicated by ACC axis migration. We…Read more on Quaternary history of the Antarctic Circumpolar Current: evidence from the Scotia Sea
The origin of Arctic terrestrial and freshwater tardigrades
1 January, 1998 by Sandra McInnes, Sandra McInnes
The tardigrade faunas of six Arctic sites (Canadian Axel Heiberg I., east and west coasts of Greenland, Iceland, Svalbard, Novaya Zemlya and the Russian Taimyr Peninsula) form, with those of…Read more on The origin of Arctic terrestrial and freshwater tardigrades
Early evolution of the Proto-Andean margin of South America
1 January, 1998
From a detailed study of a 500 km transect in the Sierras Pampeanas, central-west Argentina, two pre-Silurian tectono-magmatic episodes are recognized and defined, each culminating in micro-continental collisions against the…Read more on Early evolution of the Proto-Andean margin of South America
The Pampean Orogeny of the southern proto-Andes: Cambrian continental collision in the Sierras de Cordoba
1 January, 1998
A detailed study of the pre-Silurian geology of the Sierras de Córdoba, Eastern Sierras Pampeanas, is used to define the sequence of magmatic and metamorphic events during the Pampean orogeny.…Observations of solitary waves in the stable atmospheric boundary layer
1 January, 1998 by John King
Large amplitude, isolated, wave-like phenomena have been observed in the lowest 40 m of the strongly stably stratified atmospheric boundary layer overlying a coastal Antarctic ice shelf. The waves only…Read more on Observations of solitary waves in the stable atmospheric boundary layer
Determining the sex of Antarctic krill Euphausia superba using carapace measurements
1 January, 1998
A discriminant function using simple carapace measurements corretly determined the sex of 87% of male and 89% of female Antarctic krill Euphausia superba. This facilitated the use of sex-specific regression…Read more on Determining the sex of Antarctic krill Euphausia superba using carapace measurements
The age of the base of the Gustav Group in the James Ross Basin, Antarctica
1 January, 1998 by Alistair Crame
The Lagrelius Point Formation from its type area in north-west James Ross Island, Antarctica has yielded dinoflagellate cysts indicative of an earliest Aptian age. Reworked palynomorphs presumed to be from…Read more on The age of the base of the Gustav Group in the James Ross Basin, Antarctica
Polar patches – outstanding issues
1 January, 1998
Historically, the term polar patch was used to describe isolated regions of enhanced 630 nm emission observed in the polar cap. In recent years, signatures from other instruments, such as…Ionospheric signatures of magnetopause pocesses
1 January, 1998
Whilst it is well-accepted that short-duration changes to the Interplanetary Magnetic Field (IMF) and solar wind cause high-latitude ionospheric transients observed by magnetic, optical and radar techniques, a coherent explanation…Read more on Ionospheric signatures of magnetopause pocesses
Chiroteuthis veranyifrom the Atlantic sector of the Southern Ocean (Cephalopoda: Chiroteuthidae)
1 January, 1998 by Paul Rodhouse
Chiroteuthis veranyi (Férussac, 1835) (Cephalopoda: Chiroteuthidae) from South Georgia is described from material collected during the British Antarctic Survey's Offshore Biological Programme. The material closely resembles C. veranyi from elsewhere…Impact of fishing on life histories
1 January, 1998 by Eugene Murphy, Paul Rodhouse
Artificial selection pressures imposed by fisheries can impact population structure in the short term and drive evolution of life-history traits in the long term. In exploited squid populations the short…Cephalopod predation by the king penguin Aptenodytes patagonicus from South Georgia
1 January, 1998 by Paul Rodhouse
The king penguin Aptenodytes patagonicus is a sub-Antarctic species that feeds primarily on mesopelagic fish and cephalopods in the vicinity of the Antarctic Polar Front (APF). We examined the cephalopod…Read more on Cephalopod predation by the king penguin Aptenodytes patagonicus from South Georgia
Physiological progenesis in cephalopod molluscs
1 January, 1998 by Paul Rodhouse
The coleoid cephalopods (cuttlefish, squid and octopus) arose from their shelled ancestors during the late Devonian; they diversified in the Jurassic but did not radiate substantially until the Tertiary. Since…Read more on Physiological progenesis in cephalopod molluscs
FT-Raman spectroscopic analysis of endolithic microbial communities from Beacon sandstone in Victoria Land, Antarctica
1 January, 1998
Laser-based Fourier-Transform Raman spectroscopy (FTRS) has been used to identify in situ compounds of ecophysiological significance in diverse field-fresh Antarctic cryptoendolithic microbial communities. FTRS does not disrupt the community and…Plasma drift estimates from the Dynasonde: comparison with EISCAT measurements
1 January, 1998
Modern ionosondes make almost simultaneous measurements of the time rate of change of phase path in different directions and at different heights. By combining these 'Doppler' measurements and angles of…Read more on Plasma drift estimates from the Dynasonde: comparison with EISCAT measurements
Moulting and growth of the early stages of two species of Antarctic calanoid copepod in relation to differences in food supply
1 January, 1998 by Peter Ward
Instantaneous measurements of moulting and growth of the early copepodite stages of 2 species of Antarctic copepod, Rhincalanus gigas and Calanoides acutus, were made at 4 regions around South Georgia…Moulting rates of Calanus helgolandicus: an inter-comparison of experimental methods
1 January, 1998 by Peter Ward
An inter-comparison of three commonly reported methods for estimating the stage duration of copepods was made on Calanus helgolandicus from both wild and laboratory-reared populations. These three methods have not…Read more on Moulting rates of Calanus helgolandicus: an inter-comparison of experimental methods
Adopting one name per feature on maps of Antarctica: an experimental application – topographic map (satellite image map) 1:250 000 Trinity Peninsula SP 21-22/13
1 January, 1998
Summary: Antarctica was the focus of numerous exploring and commercial expeditions by different nations during the 19th and early part of the 20th centuries and today it is a truly…Subaqueous, basaltic lava dome and carapace breccia on King George Island, South Shetland Islands, Antarctica
1 January, 1998
On King George Island during latest Oligocene/earliest Miocene time, submarine eruptions resulted in the emplacement of a small (ca. 500 m estimated original diameter) basalt lava dome at Low Head. The…Sand grain detrital modes in CRP-1: provenance variations and influence of Miocene eruptions on the marine record in the McMurdo Sound region
1 January, 1998
Detrital modes for the sand-size fraction in 24 samples from the CRP- 1 drillcore arc described. Most samples are largely composcd of quart7.o-feldspathic detritus sourced dominantly from Palaeozoic granitoids and…Periodic and quasiperiodic ELF/VLF emissions observed by an array of Antarctic stations
1 January, 1998
This paper describes amplitude modulations in the frequency range 0–500 mHz of ELF/VLF (0.5–4.0 kHz) radio wave power recorded throughout 1993 and 1995 at Halley and South Pole stations, Antarctica,…Read more on Periodic and quasiperiodic ELF/VLF emissions observed by an array of Antarctic stations
Numerical simulation of VLF risers, fallers, and hooks observed in Antarctica
1 January, 1998
The VLF database from Halley station, Antarctica, has been searched, and prominent examples of discrete emissions are presented. Risers, fallers, quasiconstant tones, and upward and downward hooks are all common.…Read more on Numerical simulation of VLF risers, fallers, and hooks observed in Antarctica
A survey of natural electromagnetic noise in the frequency range f = 1–10 kHz at Halley station, Antarctica: 1. Radio atmospherics from lightning
1 January, 1998
This paper presents results from the first systematic survey of VLF wave activity at Halley, Antarctica (76 °S, 27 °W, L = 4.3). Beginning in 1971, the peak, average and…Surface lowering of the ice ramp at Rothera Point, Antarctic Peninsula, in response to regional climate change
1 January, 1998 by Andy Smith, David Vaughan
Level-line surveys at a number of sites on the Antarctic Peninsula since the early 1970s have shown a lowering of the ice surface elevation in areas where the climate is…Observation and simulations of winds and temperatures in the Antarctic thermosphere for August 2–10, 1992
1 January, 1998
Optically derived upper thermospheric wind and temperature data, collected at Antarctic stations at South Pole (L = 14), Mawson (L = 9.3), and Halley (L = 4.6), and averaged over…Aspects of the biology of the giant form of Sthenoteuthis oualaniensis (Cephalopoda ommastrephidae) from the Arabian Sea
1 January, 1998
An investigation was carried out on the recently discovered ‘giant’ extra large (XL) form of the squid Sthenoteuthis oualaniensis from the Arabian Sea. The sample consisted of 2 males, which…Seasonality of reproduction in the cushion star Odontaster validus at Signy Island, Antarctica
1 January, 1998 by Andrew Clarke
The reproductive and larval biology of the common Antarctic cushion-star Odontaster validus Koehler (Echinodermata: Asteroidea) were studied in a shallow-water population at Signy Island in the maritime Antarctic. The gonad…Temperature and embryonic development in relation to spawning and field occurrence of larvae of three Antarctic echinoderms
1 January, 1998 by Lloyd Peck
The effects of temperature on development and viability were measured at 14 levels between -2{deg}C and +3{deg}C on embryos of two asteroids (Odontaster validus and Odontaster meridionalis) and an echinoid…Distribution and biogeography of oribatid mites (Acari: Oribatida) in Antarctica, the sub-Antarctic islands and nearby land areas
1 January, 1998 by William Block
Oribatid mites are an ancient group of cosmopolitan terrestrial arthropods with limited trans-oceanic dispersal abilities. They provide an opportunity to answer questions concerning the role played by Gondwanaland, either as…Is a periglacial biota responsible for enhanced dielectric response in basal ice from the Greenland Ice Core Project ice core?
1 January, 1998 by Eric Wolff
A detailed dielectric profiling (DEP) conductivity profile (σ∞) measured in the 6 m of the basal silty ice sequence from the Greenland Ice Core Project (GRIP) ice core (Summit, Central…Analysis of haul data from the South Georgia krill fishery
1 January, 1998 by Eugene Murphy, Philip Trathan
Data from individual hauls carried out by vessels operating in the South Georgia krill fishery between 1994 and 1996 were examined and a range of descriptive measurements reflecting the fishery…Read more on Analysis of haul data from the South Georgia krill fishery
Use of at-sea distribution data to derive potential foraging ranges of macaroni penguins during the breeding season
1 January, 1998 by Eugene Murphy, Philip Trathan
Macaroni penguins are the main avian consumer of Antarctic krill in the vicinity of South Georgia. The largest breeding colonies occur on small offshore islands to the northwest of the…Understanding Antarctic Peninsula precipitation distribution and variability using a numerical weather prediction model
1 January, 1998 by Gareth Marshall, John Turner, Thomas Lachlan-Cope
Daily precipitation fields and annual means from the European Centre for Medium-range Weather Forecasts re-analysis exercise are used to examine the distribution and variability of precipitation across the Antarctic Peninsula.…Analysis of synoptic-scale low pressure systems within the Antarctic Peninsula sector of the circumpolar trough
1 January, 1998 by Gareth Marshall, John Turner, Thomas Lachlan-Cope
Satellite imagery of the Antarctic Peninsula, Bellingshausen Sea, and Weddell Sea region, together with operational meteorological analyses, are used to investigate the development, tracks, and structure of synoptic-scale weather systems…Validation of ground-based visible measurements of total ozone by comparison with Dobson and Brewer spectrophotometers
1 January, 1998 by Anna Jones, Howard Roscoe
Comparisons of total column ozone measurements from Dobson, Brewer and SAOZ instruments are presented for the period 1990 to 1995 at seven stations covering the mid- and the high northern…The metazoan meiofauna in its biogeochemical environment: the case of an Antarctic coastal sediment
1 January, 1998
The metazoan meiobenthos was investigated in an Antarctic coastal sediment (Factory Cove, Signy Island, Antarctica). The fine sands contained much higher abundances compared to major sublittoral sediments worldwide. Classified second…A Lower Cretaceous, syn-extensional magmatic source for a linear belt of positive magnetic anomalies: the Pacific Margin Anomaly (PMA), western Palmer Land, Antarctica
1 January, 1998
Ar–Ar laserprobe dating suggests that in western Palmer Land, plutons associated with a curvilinear belt of positive magnetic anomalies along the Pacific margin of the Antarctic Peninsula, the Pacific Margin…Identifying areas of low-profile ice sheet and outcrop damming in the Antarctic ice sheet by ERS-1 satellite altimetry
1 January, 1998 by David Vaughan
A digital elevation model (DEM) of the surface of the Antarctic ice sheet is compared with a simple two-dimensional ice-flow model to illuminate gross distortions (>500 m) of the ice-surface…Biology of the cirrate octopod Grimpoteuthis glacialis (Cephalopoda; Opisthoteuthididae) in the South Shetland Islands, Antarctica
1 January, 1998
The capture of 52 specimens of the cirrate octopod Grimpoteuthis glacialis (Robson, 1930), of dorsal mantle length 20-165 mm during a 1996 trawling survey near the Antarctic Peninsula allowed the…The cephalopod family Histioteuthidae (Oegopsida): systematics, biology, and biogeography
1 January, 1998 by Paul Rodhouse
This study is based on the large, mostly unreported collections of histioteuthids that have accumulated since the family was first revised by Voss in 1969. Of primary importance are the…Sea-salt aerosol in coastal Antarctic regions
1 January, 1998 by Eric Wolff, Robert Mulvaney
Continuous year round records of atmospheric sea-salt concentrations have been recovered at three coastal Antarctic stations (Halley, Dumont D'Urville, and Neumayer) at temporal resolutions typically between 1 day and 2…Atmospheric near-surface nitrate at coastal Antarctic sites
1 January, 1998 by Eric Wolff
Records of atmospheric nitrate were obtained by year-round aerosol sampling at Neumayer and Dumont D'Urville stations, located in the Atlantic and Pacific sector of coastal Antarctica, respectively. Where possible, evaluation…Read more on Atmospheric near-surface nitrate at coastal Antarctic sites
Strong flow bursts in the nightside ionosphere during extremely quiet solar wind conditions
1 January, 1998 by Michael Pinnock
Results of an HF radar study of convection during an extended quiet solar wind interval on March 10 1997 are presented. After thirty hours during which the solar wind met…Seasonal occurrence and diet of leopard seals (Hydrurga leptonyx) at Bird Island, South Georgia
1 January, 1998
Seasonal haul-out patterns and diet of individually marked leopard seals (Hydrurga leptonyx) were investigated at Bird Island, South Georgia during the 1983–96 winters. A total of 2956 leopard seal sightings…Cold torus whistlers: An indirect probe of the inner Jovian plasmasphere
1 January, 1998 by Richard Horne
The dominant features of Jovian whistlers observed by Voyager 1 in the inner cold torus around RJ ≈ 5.3 are studied using the technique of ray tracing with an offset…Read more on Cold torus whistlers: An indirect probe of the inner Jovian plasmasphere
Constraints on Jovian plasma properties from a dispersion analysis of unducted whistlers in the warm Io torus
1 January, 1998 by Richard Horne
The dispersion of unducted lightning-generated whistlers observed by Voyager 1 in the warm torus around density peaks at L = 5.7 and L = 5.9 are analyzed using the HOTRAY…Egg hatching times of Antarctic copepods
1 January, 1998 by Peter Ward
Egg hatching times were determined at a range of temperatures for four species of commonly occurring Antarctic copepods. At a given temperature the eggs of Rhincalanus gigas took longest to…Pb, Nd, and Sr isotope mapping of Grenville‐age crustal provinces in Rodinia
1 January, 1998
New Pb, Nd, and Sr isotope data are presented for geochemically similar, ∼1.1–1.2 Ga, granitoids and tonalitic‐granitic orthogneisses from Antarctica, southern Africa, and the Falkland Islands and adjoining plateau, areas…Read more on Pb, Nd, and Sr isotope mapping of Grenville‐age crustal provinces in Rodinia
Geochemistry of mafic dykes in the Antarctic Peninsula continental-margin batholith: a record of arc evolution
1 January, 1998 by Philip Leat
Mafic dykes of the Antarctic Peninsula continental-margin arc are compositionally diverse, comprising calc-alkaline (dominant), shoshonite, tholeiite, and OIB-like varieties. Their compositions give information about different mafic magma sources tapped during…Localized activation of the distant tail neutral line just prior to substorm onsets
1 January, 1998 by Michael Pinnock
We have found flow burst features in the nightside ionosphere that are thought to be the ionospheric signature of distant tail reconnection. These are observed to form just prior to…Read more on Localized activation of the distant tail neutral line just prior to substorm onsets
Layers of Antarctic krill, Euphausia superba : are they just long krill swarms?
1 January, 1998 by Jonathan Watkins
Antarctic krill, Euphausia superba Dana, a major component in the southern ocean food web, typically occur in aggregations that range from small, discrete swarms and schools through to layers and…Read more on Layers of Antarctic krill, Euphausia superba : are they just long krill swarms?
A 25-year record of 10 kHz sferics noise in Antarctica: Implications for tropical lightning levels
1 January, 1998 by Mark Clilverd
We report measured levels of very low frequency (VLF) radio noise at ∼10 kHz, due to lightning sferics, observed at Halley Station, Antarctica (76°S, 27°W) between 1971 and 1996. The…The effects of experimental temperature elevation on populations of cryptostigmatic mites in high Arctic soils
1 January, 1998 by William Block
Soil warming experiments were conducted in tundra heath and polar semi-desert soils at the High Arctic location of Ny-Alesund, West Spitsbergen, Svalbard, The warming treatment resulted in an 8-10% increase…Development, dispersal and recruitment: A paradox for survival among Antarctic fish
1 January, 1998 by Andrew Clarke
At first sight, the life-history strategies adopted by Antarctic fish appear to be a paradox. The majority of fish species are demersal and inhabit the peri-Antarctic islands that are isolated,…Read more on Development, dispersal and recruitment: A paradox for survival among Antarctic fish
Partial desiccation induced by sub-zero temperatures as a component of the survival strategy of the Arctic collembolan Onychiurus arcticus (Tullberg)
1 January, 1998 by Roger Worland
The mechanism by which the freeze susceptible Arctic collembolan Onychiurus arcticus survives winter temperatures of −25°C in the field is not fully understood but exposure to sub-zero temperatures (e.g. −2.5°C)…Picoplanktonic community structure on an Atlantic transect from 50°N to 50°S
1 January, 1998
Plankton samples were collected from 10 depths at 25 stations spaced at intervals of about 4° of latitude along a transect from the British Isles to the Falkland Islands. Four…Read more on Picoplanktonic community structure on an Atlantic transect from 50°N to 50°S
Temperature dependence and acclimatory response of amylase in the High Arctic springtail Onychiurus arcticus (Tullberg) compared with the temperate species Protaphorura armata (Tullberg)
1 January, 1998 by William Block
Amylolytic activity was measured in whole body homogenates of High Arctic (Onychiurus arcticus) and temperate (Protaphorura armata) springtails (Collembola: Onychiuridae) in the temperature range 5–55°C. A pH of ca. 8…Temporal and spatial patterns in the distribution of squid Loligo spp. in United Kingdom waters
1 January, 1998 by Claire Waluda
A Geographic Information System (GIS) was used to test hypotheses regarding the spatial distribution of the squid Loligo forbesi and Loligo vulgaris vulgaris in the northern North-East Atlantic during the…How are the life history strategies of Antarctic terrestrial invertebrates influenced by extreme environmental conditions?
1 December, 1997 by Peter Convey
1. 1. Features of life history strategies of Antarctic terrestrial invertebrates are reviewed and compared with the predictions of two widely-used general life history models. 2. 2. Many features observed…Ground observations and possible source regions of two types of Pc 1-2 micropulsations at very high latitudes
1 December, 1997 by Richard Horne
We have used 1-year's data from the recently installed Magnetometer Array for Cusp and Cleft Studies (MACCS) in Arctic Canada and from two stations of the developing “conjugate” array of…Latitudinal variation of quasi-biennial oscillation modulation of the semidiurnal tide in the lower thermosphere
1 December, 1997
Perturbations in the geomagnetic field at the Earth's surface can result from variations in the neutral wind field in the lower thermosphere through dynamo action in the interfused ionospheric E…Biology and ecology of mackerel icefish, Champsocephalus gunnari: An Antarctic fish lacking hemoglobin
1 December, 1997
The mackerel icefish (Champsocephalus gunnari) is a prominent member of the coastal fish fauna of the Seasonal Pack-Ice Zone and the islands north of it. Separated into a number of…Airborne dispersal of antarctic terrestrial algae and cyanobacteria
1 December, 1997
The dispersal of algae and cyanobacteria at three Antarctic fellfield sites was investigated using microscopic and culture analysis of samples from active and passive air samplers Intersite variation in the…Read more on Airborne dispersal of antarctic terrestrial algae and cyanobacteria
Aspects of the cryobiology of the intertidal Harpacticoid CopepodTigriopus brevicornis(O. F. Müller)
1 December, 1997 by William Block
Cold-resistance studies of marine invertebrates have concentrated on intertidal sedentary organisms, which are often subjected to subzero air temperatures in winter. Mobile rock pool inhabitants have been rarely studied because…Late Jurassic (Kimmeridgian-Tithonian) macrofossil assemblage from Jason Peninsula, Graham Land: evidence for a significant northward extension of the Latady Formation
1 December, 1997 by Alistair Crame, Teal Riley
New exposures of fossiliferous sedimentary rocks at Cape Framnes, Jason Peninsula (65°57′S, 60°33′W) are assigned to the Middle–Late Jurassic Latady Formation of the south-eastern Antarctic Peninsula region. A sequence of…Ridge-trench collision-induced switching of arc tectonics and magma sources: clues from Antarctic Peninsula mafic dykes
1 December, 1997 by Philip Leat
Compositions and distributions of mafic dykes in the Antarctic Peninsula continental arc show that tapping of several mantle sources was tectonically controlled. In the Cretaceous to Tertiary, between 135 Ma…Antarctic mapping: a bleak future?
1 December, 1997
Antarctic cartographers face many challenges. They are required to prepare accurate maps of a remote and dangerous environment in support of science programmes, logistic operations, and search and rescue activities.…The chrysophyte stomatocyst flora of the moss vegetation from Strømness Bay Area, South Georgia
1 December, 1997
The chrysophyte stomatocyst flora from 36 moss samples from Stromness Bay area on the subantarctic island of South Georgia is decribed, using both light and scanning electron microscopy. A total…Temporal patterns of primary production in a large ultra-oligotrophic Antarctic freshwater lake
1 November, 1997
A large ultra-oligotrophic Antarctic freshwater lake, Crooked Lake, was investigated between January 1993 and November 1993. The water column supported a small phytoplankton community limited by temperature, nutrient availability and,…First mesospheric observations using an imaging Doppler interferometer adaptation of the dynasonde at Halley, Antarctica
1 November, 1997
The digital ionospheric sounder, or dynasonde, located at the British Antarctic Survey's research station at Halley, Antarctica, has recently been operated as an imaging Doppler interferometer (IDI). The implementation of…Validity of the temperature reconstruction from water isotopes in ice cores
1 November, 1997
Well-documented present-day distributions of stable water isotopes (HDO and H218O) show the existence, in middle and high latitudes, of a linear relationship between the mean annual isotope content of precipitation…Read more on Validity of the temperature reconstruction from water isotopes in ice cores
Dispersal of moss propagules on Signy Island, maritime Antarctic
1 November, 1997 by Peter Convey
Aerobiological studies were conducted for >1 year using arrays of rotorod samplers at three sites on Signy Island, South Orkney Islands, maritime Antarctic. Spores of five bryophyte taxa were identified,…Read more on Dispersal of moss propagules on Signy Island, maritime Antarctic