6301 to 6312 of 13949 results
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Effectiveness of different shooting techniques in Antarctic firn
Read more of: Effectiveness of different shooting techniques in Antarctic firnThe British Antarctic Survey has commenced a programme of multichannel seismic reflection work over the Antarctic continental ice sheet and surrounding ice shelves. This is part of an integrated geophysical […]
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NO2 overnight decay and layer height at Halley Bay, Antarctica
Read more of: NO2 overnight decay and layer height at Halley Bay, AntarcticaGround‐based measurements of stratospheric slant column NO2 amounts made at Halley Bay, Antarctica in 1987 are compared with ozone and temperature profiles from balloon‐borne sondes. Sunrise‐to‐sunset (am/pm) ratios of NO2 […]
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The bivalve Aulacomyella from the Early Tithonian (Late Jurassic) of Antarctica
Read more of: The bivalve Aulacomyella from the Early Tithonian (Late Jurassic) of AntarcticaThe bivalve Aulacomyella is described formally from Tithonian deposits of the Antarctic Peninsula region for the first time. Two species are recognized. A. willeyi Kelly sp. nov. was collected in […]
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Short-term variation in the winter diet of Gentoo penguins Pygoscelis papua at South Georgia during July 1989
Read more of: Short-term variation in the winter diet of Gentoo penguins Pygoscelis papua at South Georgia during July 1989During winter 1989 at South Georgia, gentoo penguins showed a very rapid change in diet over a 10-day period. On 11-12 July, food samples were of low masses (150g) and […]
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Unusual diatom layers in upper pleistocene sediments from the northern Weddell Sea
Read more of: Unusual diatom layers in upper pleistocene sediments from the northern Weddell SeaA sediment core from Jane Basin, northern Weddell Sea, contains distinct bands, up to 3 cm thick, of well preserved diatom frustules, contrasting with the generally poor preservation of adjacent […]
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Topographic steering of enhanced ice flow at the bottleneck between East and West Antarctica
Read more of: Topographic steering of enhanced ice flow at the bottleneck between East and West AntarcticaHypothesized drawdown of the East Antarctic Ice Sheet (EAIS) through the ‘bottleneck’ zone between East and West Antarctica would have significant impacts for a large proportion of the Antarctic Ice […]
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The diatom genus Proboscia in Antarctic waters
Read more of: The diatom genus Proboscia in Antarctic watersSundström (1986) erected the genus Proboscia for solenoid diatoms whose valves tapered to a proboscis, but only assigned one species to it, the boreal Rhizosolenia alata Brightwell. We have found […]
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Fossil members of the diatom genus Proboscia
Read more of: Fossil members of the diatom genus ProbosciaFive fossil species of Rhizosolenia are known only from the distal parts of the valve. The resemblance of these tubular structures to the proboscis of the modern genus Proboscia Sundström, […]
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