Relativistic electron loss timescales in the slot region
Recent observations show that the decay rate of relativistic electrons measured at low altitudes in the slot region at L = 2 is an order of magnitude shorter than theoretical […]
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Read more of: Relativistic electron loss timescales in the slot region
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Modeling the effects of radial diffusion and plasmaspheric hiss on outer radiation belt electrons
Read more of: Modeling the effects of radial diffusion and plasmaspheric hiss on outer radiation belt electronsWe simulate the behaviour of relativistic (976 keV) electrons in the outer radiation belt (3 ≤ L ≤ 7) during the first half of the CRRES mission. We use a […]
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Ice sheets: indicators and instruments of climate change
Read more of: Ice sheets: indicators and instruments of climate changeIce sheets of Greenland and Antarctica are uniquely arresting and captivating features of the Earth’s natural environment. The hyperbole attached to their description, their sheer size and remoteness from the […]
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Rapid warming of the ocean around South Georgia, Southern Ocean, during the 20th century: Forcings, characteristics and implications for lower trophic levels
Read more of: Rapid warming of the ocean around South Georgia, Southern Ocean, during the 20th century: Forcings, characteristics and implications for lower trophic levelsThe Southern Ocean is known to have warmed considerably during the second half of the 20th century but there are few locations with data before the 1950s. In addition, assessments […]
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Age assignment of a diatomaceous ooze deposited in the western Amundsen Sea Embayment after the Last Glacial Maximum
Read more of: Age assignment of a diatomaceous ooze deposited in the western Amundsen Sea Embayment after the Last Glacial MaximumReliable dating of glaciomarine sediments deposited on the Antarctic shelf since the Last Glacial Maximum (LGM) is challenging because of the rarity of calcareous (micro-) fossils and the recycling of […]
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A geological constraint on relative sea level in Marine Isotope Stage 3 in the Larsemann Hills, Lambert Glacier region, East Antarctica (31 366–33 228 cal yr BP).
Read more of: A geological constraint on relative sea level in Marine Isotope Stage 3 in the Larsemann Hills, Lambert Glacier region, East Antarctica (31 366–33 228 cal yr BP).In this paper we present geological evidence from the Larsemann Hills (Lambert Glacier – Amery Ice Shelf region, East Antarctica) of marine sediments at an altitude of c. 8 m […]
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Understanding Antarctica – 50 years of British Scientific Monitoring (1959-2009)
Read more of: Understanding Antarctica – 50 years of British Scientific Monitoring (1959-2009)Science has always been at the centre of human endeavour in Antarctica. It is just over 50 years since the International Geophysical Year (1957-58) established many of the long-term research […]
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Investigations of meltwater refreezing and density variations in the snowpack and firn within the percolation zone of the Greenland ice sheet
Read more of: Investigations of meltwater refreezing and density variations in the snowpack and firn within the percolation zone of the Greenland ice sheetThe mass balance of polythermal ice masses is critically dependent on the proportion of surface-generated meltwater that subsequently refreezes in the snowpack and firn. In order to quantify this effect […]
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On the long-distance transport of Ferrar magmas
Read more of: On the long-distance transport of Ferrar magmasThe distribution and geochemical relationships of the Early Jurassic Ferrar large igneous province (LIP) are examined and it is concluded that they support the lateral flow model for the emplacement […]
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Anatomy of a Dansgaard-Oeschger warming transition: High-resolution analysis of the North Greenland Ice Core Project ice core
Read more of: Anatomy of a Dansgaard-Oeschger warming transition: High-resolution analysis of the North Greenland Ice Core Project ice coreLarge and abrupt temperature oscillations during the last glacial period, known as Dansgaard‐Oeschger (DO) events, are clearly observed in the Greenland ice core record. Here we present a new high‐resolution […]
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The geochemistry of Middle Jurassic dykes associated with the Straumsvola-Tvora alkaline plutons, Dronning Maud Land, Antarctica and their association with the Karoo large igneous province
Read more of: The geochemistry of Middle Jurassic dykes associated with the Straumsvola-Tvora alkaline plutons, Dronning Maud Land, Antarctica and their association with the Karoo large igneous provinceJurassic dykes of western Dronning Maud Land (Antarctica) form a minor component of the Karoo large igneous province. An extensive local dyke swarm intrudes Neoproterozoic gneisses and Jurassic syenite plutons […]