Full range determination of 222Rn at the watershed scale by liquid scintillation counting |
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| Affiliation: | 1. Control and System Theory, EECS, University of Kassel, Germany;1. University of York, Heslington, York YO10 5GH, UK;2. Carnegie Mellon University, Pittsburgh, PA 15213, USA;1. Computer Science Department, University of Brasília. Campus Universitário Darcy Ribeiro - Edifício CIC/EST, Asa Norte, Brasília 70910-900, DF, Brazil;2. Systems Development Center, Brazilian Army. QG do Exercito - Bloco G - 2o. andar, Setor Militar Urbano, Brasília, DF, Brazil;3. PReCISE, NaDI, Faculty of Computer Science, University of Namur., Rue Grandgagnage 21, Namur 5000, Belgium;4. Department of Informatics and Mathematics, University of Passau, Innstr. 33, Passau 94032, Germany |
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| Abstract: | 222Rn has been increasingly used to identify groundwater contribution to surface water. Particular attention has been paid to analytical protocols and counting parameters used for liquid alpha scintillation measurements over a range of activities covering river and groundwater domains. Direct measurements and Rn-extraction protocols are optimized, and scintillometer efficiency is calibrated using international standards over the 0.5–35 Bq/L range. The interval of activities was performed in surface water and groundwater from a small Canadian watershed. |
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