Search for dissertations about: "antarctic"

Showing result 6 - 10 of 52 swedish dissertations containing the word antarctic.

  2. 6. Diatom stratigraphy and evidence of Holocene environmental changes in selected lake basins in the Antarctic and South Georgia

    Author : Anders Wasell; Stockholms universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Holocene; Antartica; Antarctic Peninsula; South Georgia; lakes; lake sediments; stratigraphy; diatoms; radiocarbon dates; Quaternary Geology; kvartärgeologi;

    Abstract : .... READ MORE

  4. 7. Diatom and Sedimentological Investigations on West Antarctic Shelf Sediment

    Author : Charlotte Sjunneskog; Bjorg Stabell; Uppsala universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Earth sciences; Antarctica; climate change; diatom abundance; geochemistry; Geovetenskap; Earth sciences; Geovetenskap; Quarternary Geology; kvartärgeologi;

    Abstract : Climate and environmental change following the retreat of the last glacial ice sheet in the Antarctic Peninsula has been interpreted, employing diatom abundance, relative abundance of Chaetoceros resting spores and diatom assemblages as proxies. These together with sedimentological data and radiocarbon dating, suggest four major events that can be further subdivided. READ MORE

  5. 8. Miniaturized Techniques for Protein Analysis

    Author : Johan Sjödahl; KTH; []
    Keywords : Proteins; peptides; proteases; Antarctic krill; Euphausia superba; capillary electrophoresis; fluorosurfactants; mass spectrometry; nanoelectrospray; ESI; MALDI; chip; high-throughput; reproducibility; sensitivity; mass accuracy;

    Abstract : Proteins are a highly diversified group of molecules, andfor their study, advanced analytical tools are required. Inparticular, a need for high-throughput techniques has emergedin order to enable the characterization of large sets ofproteins. READ MORE

  6. 9. Seasonal Cycling of Mercury in the Antarctic Sea Ice Environment

    Author : Michelle Nerentorp; Chalmers tekniska högskola; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Antarktis; säsongsvariationer; vinter; Kvicksilver; havsis; snö; deposition;

    Abstract : Mercury is a globally distributed contaminant that exists in the atmosphere as a stable monoatomic gas. Having almost a year’s residence time in the air allows it to reach remote polar regions. Deposited airborne mercury can be transformed in the environment to the organic and bio-accumulating compound methyl mercury. READ MORE

  7. 10. The role of Southern Ocean fronts in the global climate system

    Author : Robert M. Graham; Agatha de Boer; Alberto Naveira Garabato; Stockholms universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; Southern Ocean; fronts; jets; Antarctic Circumpolar Current; wind stress; chlorophyll; iron; Last Glacial Maximum; Marine Geology; maringeologi;

    Abstract : The location of fronts has a direct influence on both the physical and biological processes in the Southern Ocean. However, until recently fronts have been poorly resolved by available data and climate models. READ MORE