Essays about: "137Cs"

Showing result 21 - 25 of 26 essays containing the word 137Cs.

  1. 21. Migration of radiocaesium in six Swedish pasture soils after the Chernobyl accident : a comparison with earlier studies 1987-2005

    University essay from SLU/Dept. of Soil and Environment

    Author : Henning Persson; [2008]
    Keywords : radiocaesium; 137Cs; migration; migration depth; soil-plant transfer; Chernobyl fallout; field study; pasture soils;

    Abstract : This study comprises six pasture soils in central and northern Sweden which were strongly affected by the Chernobyl fallout in 1986. The aim of the study was to investigate the vertical migration and plant uptake of radiocaesium as related to soil texture and other soil properties. READ MORE

  3. 22. Förändring av radiocesiumtillståndet i jordbruksgrödor i Gävleborgs, Västmanlands och Uppsala län efter Tjernobylolyckan samt en fallstudie med stallbalansberäkningar på en mjölkgård

    University essay from SLU/Dept. of Soil Sciences

    Author : Johanna Olsson; [2006]
    Keywords : 137Cs; 40K; cesium; Tjernobylolyckan; kontaminerad jord; radioaktivt nedfall;

    Abstract : Several radioactive nuclides were deposited in Sweden after the Chernobyl accident in 1986. The greatest attention was given to 137Cs because of its relative long physical half life of about 30 years. 137Cs will be present in nature for more than 100 years before it has vanished completely. READ MORE

  4. 23. Behaviour of 137Cs in a raised bog in central Sweden

    University essay from SLU/Dept. of Soil Sciences

    Author : Pilar Román Galán; [2006]
    Keywords : radioecology; raised bog; Cs-137; migration; plant uptake of Cs-137; transfer factors;

    Abstract : Vertical migration of 137Cs and 137Cs activity concentrations in plants growing on a raised bog in Central Sweden were investigated. Raised bogs are among the most nutrient poor ecosystems. READ MORE

  5. 24. Migration och vegetationsupptag av radiocesium i åkermark : en långtidsserie av mätdata samt en långsiktig simuleringsmodell

    University essay from SLU/Dept. of Soil Sciences

    Author : Anna Strömqvist; [2005]
    Keywords : migration; långtidsserie; simuleringsmodell; radiocesium;

    Abstract : The accident in 1986 at the nuclear power station in Chernobyl, Ukraine, dispersed radioactive cesium over large areas of Europe. The half life of 137Cs is 30 years and this radionuclide also behaves like potassium, which means that it can easily be taken up by the vegetation or be adsorbed in to the structure of clays, principally illitic clays. READ MORE

  6. 25. A palaeoecological study of Holocene lake sediments above the highest shoreline in the province of Västerbotten, northeast Sweden

    University essay from Lunds universitet/Geologiska institutionen

    Author : Petra Bragée; [2005]
    Keywords : geography; geology; palaeoecology; Holocene lake sediments; Västerbotten; Sweden; Earth and Environmental Sciences;

    Abstract : En sedimentborrkärna från sjön Svartkälstjärn, belägen 260 m ö.h. nära Vindeln i Västerbotten, provtogs for analys av frekvensen pollen, sporer och kolpartiklar samt beräkning av ackumulationshalter. READ MORE