Spatial statistical analysis of contamination level of 241Am and 239Pu, Thule, North-West Greenland

Jens Strodl Andersen

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    Abstract

    A spatial analysis of data on radioactive pollution on land at Thule, North-West Greenland is presented. The data comprises levels of 241Am and 239,240Pu on land. Maximum observed level of 241Am is 2.8×105 Bq m-2. Highest levels were observed near Narsaarsuk. This area was also sampled most intensively. In Grønnedal the maximum observed level of 241Am is 1.9×104 Bq m-2. Prediction of the overall amount of 241Am and 239,240Pu is based on grid points within the range from the nearest measurement location. The overall amount is therefore highly dependent on the model. Under the optimal spatial model for Narsaarsuk, within the area of prediction, the predicted total amount of 241Am is 45 GBq and the predicted total amount of 239,240Pu is 270 GBq.

    Original languageEnglish
    PublisherRisø National Laboratory for Sustainable Energy
    Number of pages74
    ISBN (Electronic)978-87-550-3933-9
    Publication statusPublished - 2011
    SeriesDenmark. Forskningscenter Risoe. Risoe-R
    Number1791(EN)
    ISSN0106-2840

    Keywords

    • Risø-R-1791(EN)
    • Risø-R-1791

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