Publications

9253 to 9264 of 13838 results

1. Robustness of collective behaviour in strongly driven avalanche models: Magnetospheric implications

   The hypothesis of self-organised criticality (SOC) predicts that certain open dissipative systems evolve to a critical state where all energy release statistics display power law distributions for event occurrence, size […]

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2. Variation in the distribution of Antarctic krill Euphausia superba around South Georgia

   There is considerable spatial structure within the South Georgia krill-based ecosystem in terms of predator demand, commercial fishery pressure and krill abundance. Here we investigate the hypothesis that there is […]

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3. A composite recruitment index to describe interannual changes in the population structure of Antarctic krill at South Georgia

   A composite recruitment index based on density data derived from acoustic surveys and on length-frequency data obtained from either target or station net hauls is described. This composite index is […]

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4. The spring mesozooplankton community at South Georgia: a comparison of shelf and oceanic sites

   Mesozooplankton (predominantly 200–2000 μm) were sampled at a shelf and an oceanic station close to South Georgia, South Atlantic, during austral spring (October/November) 1997. Onshelf zooplankton biomass was extremely high at […]

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5. Effect of the diel light cycle on the diving behaviour of two bottom feeding marine birds:the blue-eyed shag Phalacrocorax atricepsand the European shag P. aristotelis

   Consistent diel patterns in foraging depths have been recorded in several avian predators which feed on pelagic prey, but nothing is known about such effects in bottom feeding seabirds. In […]

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6. Reevaluation of coleoid cephalopod relationships based on modified arms in the Jurassic coleoid Mastigophora

   Mastigophora brevipinnis Owen, 1856, is a ‘fossil teuthid’ presently considered to be a member of the coleoid cephalopod Suborder Loligosepiina Jeletzky, which in turn has been placed by various authors […]

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7. Distortion of isochronous layers in ice revealed by ground-penetrating radar

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8. Reassessment of net surface mass balance in Antarctica

   Recent in situ measurements of surface mass balance and improved calculation techniques are used to produce an updated assessment of net surface mass balance over Antarctica. A new elevation model […]

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9. The Auriga Nunataks shear zone: Mesozoic transfer faulting and arc deformation in northwest Palmer Land, Antarctica

   The Auriga Nunataks shear zone places new tectonic and temporal constraints on the Mesozoic evolution of West Antarctica. The shear zone is a long-lived, arc-orthogonal, ductile transfer fault that preserves […]

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10. Atmospheric circulation variability in the high latitude areas of the South Pacific during the last 50 years

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11. Spatial and temporal variability of net snow accumulation over the Antarctic from ECMWF re-analysis project data

    Forecasts from the ECMWF re-analysis project (ERA) covering the period 1979–1993 are used to examine the spatial and temporal distribution of net snow accumulation (precipitation minus evaporation) over the Antarctic […]

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12. An assessment of operational Antarctic analyses based on data from the FROST Project

    The quality of the Antarctic operational analyses that were distributed over the Global Telecommunications System during the First Regional Observing Study of the Troposphere project special observing period of July […]

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