Nitrate in polar ice
Nitrate is one of the major impurities in polar snow, and is relatively easy to analyse. Large amounts of data therefore exist, including some from cores extending into the last […]
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Read more of: Nitrate in polar ice
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The association of polar mesosphere summer echo layers with tidal modes
Read more of: The association of polar mesosphere summer echo layers with tidal modesThe occurrence of PMSEs with time of day shows a semi-diurnal variation with minima at 8 and 20 h LT. PMSE layers observed for more than 30 min show an […]
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Galena lead isotopic variations in a Mesozoic-Cenozoic Andean arc, Antarctic Peninsula
Read more of: Galena lead isotopic variations in a Mesozoic-Cenozoic Andean arc, Antarctic PeninsulaThe Antarctic Peninsula magmatic arc was the site of Andean-type subduction from at least Silurian times to the late Cenozoic. Hydrothermal galenas from eight localities in accretionary complex, arc volcanic […]
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Spatial variability of inorganic nutrients in the marginal ice zone of the Bellingshausen Sea during the Austral spring
Read more of: Spatial variability of inorganic nutrients in the marginal ice zone of the Bellingshausen Sea during the Austral springData on nutrients (nitrate, nitrite, ammonium, phosphate, silicate), biogenic-silica and chlorophyll a concentrations were collected along a south-to-north transect through the marginal ice zone of the Bellingshausen Sea during the […]
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Peraluminous granites in NE Palmer Land, Antarctic Peninsula: early Mesozoic crustal melting in a magmatic arc
Read more of: Peraluminous granites in NE Palmer Land, Antarctic Peninsula: early Mesozoic crustal melting in a magmatic arcA suite of Early Jurassic metaluminous to strongly peraluminous granitoids occupy a rear-arc position in Palmer Land, Antarctic Peninsula with respect to a Mesozoic–Cenozoic magmatic arc. Fractional crystallization of a […]
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The distribution of acoustic backscatter from zooplankton compared with physical structure, phytoplankton and radiance during the spring bloom in the Bellingshausen Sea
Read more of: The distribution of acoustic backscatter from zooplankton compared with physical structure, phytoplankton and radiance during the spring bloom in the Bellingshausen SeaThe distribution of zooplankton as indicated by acoustic backscatter was compared with that of the phytoplankton biomass, with the degree of the shading caused by the presence of the bloom, […]
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Weather forecasting for aviation and marine operations in the Antarctic Peninsula region
Read more of: Weather forecasting for aviation and marine operations in the Antarctic Peninsula regionAn account is given of one Austral summer’s experience of forecasting for flying activities and marine operations around the Antarctic Peninsula. Data available included surface and upper-air observations, analyses and […]
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The summer zooplankton community at South Georgia: biomass, vertical migration and grazing
Read more of: The summer zooplankton community at South Georgia: biomass, vertical migration and grazingZooplankton abundance and biomass were determined during January 1990 at two stations to the north-west of South Georgia using a Longhurst Hardy Plankton Recorder (LHPR). At both shelf and oceanic […]
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Egg production in three species of Antarctic Calanoid Copepods during an austral summer
Read more of: Egg production in three species of Antarctic Calanoid Copepods during an austral summerEgg production in three species of calanoid copepods Rhincalanus gigas, Calanoides acutus and Calanus simillimus was investigated via incubations of females and recovery of eggs from net hauls made around […]
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Mapping ice front changes of Müller Ice Shelf, Antarctic Peninsula
Read more of: Mapping ice front changes of Müller Ice Shelf, Antarctic PeninsulaMüller Ice Shelf (67°15′S, 66°52′W) is situated at the southern end of Lallemand Fjord. It is a small ice shelf (∼80 km2) fed by Brückner and Antevs glaciers, which both […]