Measurements and modeling of airborne plutonium in Subarctic Finland between 1965 and 2011

• Published in: Atmospheric Chemistry and Physics
• Main Authors: S. Salminen-Paatero, J. Vira, J. Paatero
• Format: Article in Journal/Newspaper
• Language: English
• Published: Copernicus Publications 2020
• Subjects: Physics; QC1-999; Chemistry; QD1-999; Subarctic
• Online Access: https://doi.org/10.5194/acp-20-5759-2020; https://doaj.org/article/96dd2a1decea467c88038e79a9f85850

The activity concentrations of <math xmlns="http://www.w3.org/1998/Math/MathML" id="M1" display="inline" overflow="scroll" dspmath="mathml"><mrow class="chem"><msup><mi/><mrow><mn mathvariant="normal">238</mn><mo>,</mo><mn mathvariant="normal">239</mn><mo>,</mo><mn mathvariant="normal">240</mn></mrow></msup><mi mathvariant="normal">Pu</mi></mrow></math> <svg:svg xmlns:svg="http://www.w3.org/2000/svg" width="60pt" height="13pt" class="svg-formula" dspmath="mathimg" md5hash="fa24a193ad74e65309ada2b051d68284"><svg:image xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="acp-20-5759-2020-ie00001.svg" width="60pt" height="13pt" src="acp-20-5759-2020-ie00001.png"/></svg:svg> and 241 Am (for determining its mother nuclide, 241 Pu ) as well as activity ratios of <math xmlns="http://www.w3.org/1998/Math/MathML" id="M4" display="inline" overflow="scroll" dspmath="mathml"><mrow class="chem"><msup><mi/><mn mathvariant="normal">238</mn></msup><mi mathvariant="normal">Pu</mi><msup><mo>/</mo><mrow><mn mathvariant="normal">239</mn><mo>+</mo><mn mathvariant="normal">240</mn></mrow></msup><mi mathvariant="normal">Pu</mi></mrow></math> <svg:svg xmlns:svg="http://www.w3.org/2000/svg" width="81pt" height="15pt" class="svg-formula" dspmath="mathimg" md5hash="e97e6d2398ea548b125fe701f8e8747b"><svg:image xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="acp-20-5759-2020-ie00002.svg" width="81pt" height="15pt" src="acp-20-5759-2020-ie00002.png"/></svg:svg> , <math xmlns="http://www.w3.org/1998/Math/MathML" id="M5" display="inline" overflow="scroll" dspmath="mathml"><mrow class="chem"><msup><mi/><mn mathvariant="normal">241</mn></msup><mi ...