Illex argentinus
1 January, 1998 by Paul Rodhouse
The Argentinean short-finned squid, Illex argentinus, is distributed along the shelf and slope in the western South Atlantic from 22° to 54°S. Since 1977 catches by a local and an…Our publications
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Towards a new free air anomaly map of the Antarctic Peninsula
1 January, 1998
Since 1959 the British Antarctic Survey (BAS) has undertaken reconnaissance gravity surveys of the Antarctic Peninsula. Approximately 1500 on-rock and about 600 on-snow station values were measured. Continuing climatic, topographical…Read more on Towards a new free air anomaly map of the Antarctic Peninsula
Age, growth and maximum size of Antarctic notothenioid fish — revisited
1 January, 1998 by Andrew Clarke
The temperature of the Southern Ocean has undergone an overall reduction from about 20 °C to −1.8 °C over the last 55–60 million years. To date, the Southern Ocean is…Read more on Age, growth and maximum size of Antarctic notothenioid fish — revisited
The proto-Andean margin of Gondwana: an introduction
1 January, 1998
A basic background is presented for the discussion of the Early Palaeozoic geology of western Argentina covered by this book. This includes the definition and terminology of orogenic cycles on…Read more on The proto-Andean margin of Gondwana: an introduction
The Famatinian magmatic arc in the central Sierras Pampeanas: an Early to Mid-Ordovician continental arc on the Gondwana margin
1 January, 1998
A new multi-disciplinary study of the central Sierras Pampeanas encompasses fieldwork, petrography, metamorphic and micro-structural analysis, geochemistry and geochronology. Remnants of a low-to-medium grade metasedimentary sequence, which also occurs in…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
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.…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
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…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…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
The Antarctic Peninsula Continental Margin Northwest of Anvers Island
1 January, 1997 by Robert Larter
The Antarctic Peninsula has a dissected central plateau at 1500–2000 m elevation, at present overlain by a few hundred metres of ice which drains into transverse glaciers. On the west…Read more on The Antarctic Peninsula Continental Margin Northwest of Anvers Island
Glacially-influenced sediment drifts in the Rockall Trough
1 January, 1997
Sediment drifts are a major depositional product of bottom-current activity in deep-water settings, particularly on slopes and basin plains within, and adjacent to, continental margins. They commonly form positive features…Read more on Glacially-influenced sediment drifts in the Rockall Trough
South Georgia: an ecological atlas
1 January, 1996 by Eugene Murphy, Philip Trathan
Additional material is available online through the South Georgia GIS project - http://www.sggis.gov.gs/A review of geological constraints on the pre-break-up position of the Ellsworth Mountains within Gondwana: implications for Weddell Sea evolution
1 January, 1996 by Ed King
It has long since been recognised that the Ellsworth-Whitmore mountains (EWM) crustal block possesses an anomalous structural and stratigraphic history relative to its neighbouring West Antarctic crustal blocks, and the…Aeromagnetic data from the southern Weddell Sea embayment and adjacent areas: synthesis and interpretation
1 January, 1996 by Ed King
A new regional aeromagnetic anomaly map covering the southern Weddell Sea and surrounding areas was produced by combining Russian and British magnetic anomaly data acquired between 1973 and 1989. The…New seismic data from the Ronne Ice Shelf, Antarctica
1 January, 1996 by Ed King
We present the first images of sub-seabed structure to be obtained from beneath the Ronne Ice Shelf. Single-fold profiles totalling 158 km were recorded using a new form drag cable…Read more on New seismic data from the Ronne Ice Shelf, Antarctica
Weddell Sea tectonics and Gondwana break-up: an introduction
1 January, 1996 by Ed King
The Weddell Sea, part of the circumpolar Southern Ocean, is probably the most remote, least known and least accessible sea in the world. Difficult ice conditions have limited the acquisition…Read more on Weddell Sea tectonics and Gondwana break-up: an introduction
Mesozoic seafloor spreading in the southern Weddell Sea
1 January, 1996 by Ed King
A re-evaluation of Weddell Sea magnetic anomaly data, in the light of satellite gravity maps, provides important constraints on plate kinematics prior to chron C34 (83 Ma). Although M-series anomalies…Read more on Mesozoic seafloor spreading in the southern Weddell Sea
Climate changes in the Atlantic sector of Antarctica over the past 500 years from ice-core and other evidence
1 January, 1996 by Robert Mulvaney
Evidence from ice cores, borehole temperatures, early expeditions and glacier margins is used to identify the major climate trends of the past 500 years in the Antarctic Peninsula region. Apparent…Location, movement and reactions of impurities in solid ice
1 January, 1996 by Eric Wolff
The aim of drilling ice cores is to obtain paleoatmospheric information of wide significance. However, the concentrations of chemicals found in the- ice are determined both by the atmospheric concentrations,…Read more on Location, movement and reactions of impurities in solid ice
The record of aerosol deposited species in ice cores, and problems of interpretation
1 January, 1996 by Eric Wolff
Ice cores have now become established as one of the primary archives of paleoclimatic information, covering timescales from seasonal up to 100,000 years or more. In the polar ice sheets,…Read more on The record of aerosol deposited species in ice cores, and problems of interpretation