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A decade of radiosonde observations of wind and temperature in the troposphere and lower stratosphere have made it possible to compile a climatology of low-frequency gravity waves above Davis, Antarctica (69S, 78E). Wave characteristics, extracted using wavelet analysis [Zink and Vincent, 2001]…
A decade of radiosonde observations of wind and temperature in the troposphere and lower … stratosphere have made it possible to compile a climatology of low-frequency gravity waves … above Davis, Antarctica (69°S, 78°E). Wave characteristics, extracted using wavelet … analysis [Zink and Vincent…
Abstract A microbial enrichment culture tolerant of … petroleum hydrocarbons was developed from sediment … collected near Casey Station, Antarctica. To select coldadapted … microbes that would degrade diesel, enrichments … were cultured at 0°C during six successive … transfers to fresh medium…
In order to improve our understanding of wintertime polar ozone losses, two ozonesonde Match campaigns were performed. The first one was carried out in the Arctic winter 2002/03. About 450 co-ordinated ozonesondes were launched from late November 2002 to March 2003.
To measure chemical induced ozone loss in the Arctic lower stratosphere the Match method was developed. Trajectory calculations based on stratospheric wind fields of the European Center of Medium-range Weather Forecasts (ECMWF) are used to track and to predict the ways of air parcels.
As part of a general survey of the biodiversity and inherent ecophysiology of bacteria associated with coastal Antarctic sea-ice diatom assemblages, eight strains were identified by 16S rRNA sequence analysis as belonging to the genus Colwellia. The isolates were non-pigmented…