Sökning: "Snö"

Visar resultat 1 - 5 av 26 avhandlingar innehållade ordet Snö.

  1. 1. Seasonal Cycling of Mercury in the Antarctic Sea Ice Environment

    Författare :Michelle Nerentorp; Chalmers University of Technology; []
    Nyckelord :Antarktis; säsongsvariationer; vinter; Kvicksilver; havsis; snö; deposition;

    Sammanfattning : 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. LÄS MER

  2. 2. Disputatio physica de nive, quam ... sub præsidio ... Claudii Arrhenii ... placido disputantium examini submittit illustrissimæ familiæ Baneriorum alumnus, Magnus Hylting, Suderm. Ad diem [25 Octob.] anni M. DC.LXXXIV. in audit: Gust: horis consvetis

    Författare :Claudius Örnhjälm; Magnus Hylting; Claudius Örnhjälm; Uppsala universitet; []
    Nyckelord :Snow; Snö;

    Sammanfattning : .... LÄS MER

  3. 3. Classification of different types of snow using spectral and angular imaging

    Författare :Lavan Kumar Eppanapelli; Luleå tekniska universitet; []
    Nyckelord :ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Experimental Mechanics; Experimentell mekanik;

    Sammanfattning : The current thesis work details a non-contact detection approach concerningclassification of snow with different physical properties such as grain size, densityand specific surface area (SSA). In this approach, reflected light from snowsurfaces is measured as a function of wavelength and viewing geometry. LÄS MER

  4. 4. Spatial distribution of snow in Antarctica and other glacier studies using ground-penetrating radar

    Författare :Cecilia Richardson-Näslund; Robert W. Jacobel; Stockholms universitet; []
    Nyckelord :NATURAL SCIENCES; NATURVETENSKAP; GPR; ground-penetrating radar; radar soundings; snow accumulation; accumulation rate; spatial variability; Antarctica; Dronning Maud Land; cold surface layer; thermal regime; glacial cirques; Sweden; Antarktis; Glaciärer; Ackumulering av snö; Geography; Physical Geography; geografi med naturgeografisk inriktning;

    Sammanfattning : The overall aim of this thesis is to develop and exemplify the use of ground-penetrating radar (GPR) within the field of glaciology. The main focus is on the spatial distribution of snow in Dronning Maud Land, East Antarctica. LÄS MER

  5. 5. Sustainable snow handling

    Författare :Karin Reinosdotter; Luleå tekniska universitet; []
    Nyckelord :ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; VA-teknik; Urban Water Engineering;

    Sammanfattning : Urban snow contains pollution that originates from sources such as atmospheric precipitation, traffic emission, and de-icing chemicals. These pollutants accumulate in the snow during the winter and are released when the snow starts to melt. LÄS MER