Abstract:Abstract:The specific activity of natural gamma emitters like actinium ( 228 Ac), bismuth ( 212 Bi, 214 Bi), lead ( 212 Pb, 214 Pb), potassium ( 40 K), radium ( 224 Ra), thallium ( 208 Tl) and artificial radioisotope caesium ( 137 Cs) was measured in 2005 in the surface layer of marine sediments in the northern Svalbard: Wijdefjorden, Woodfjorden, Vestfjorden and Bockfjorden as well as in the freshwater reservoirs in Andre Land. Nonuniform spatial distribution of these radionuclides was found. Sediment sample … Show more
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