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An autonomous in situ detection system for radioactivity measurements in the marine environment

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dc.contributor.author Tsabaris, C en
dc.contributor.author Bagatelas, C en
dc.contributor.author Dakladas, Th en
dc.contributor.author Papadopoulos, CT en
dc.contributor.author Vlastou, R en
dc.contributor.author Chronis, GT en
dc.date.accessioned 2014-03-01T01:27:53Z
dc.date.available 2014-03-01T01:27:53Z
dc.date.issued 2008 en
dc.identifier.issn 0969-8043 en
dc.identifier.uri http://hdl.handle.net/123456789/18619
dc.subject Autonomous underwater detectors en
dc.subject Marine radioactivity en
dc.subject Scintillation spectrometry en
dc.subject.classification Chemistry, Inorganic & Nuclear en
dc.subject.classification Nuclear Science & Technology en
dc.subject.classification Radiology, Nuclear Medicine & Medical Imaging en
dc.subject.other Nuclear physics en
dc.subject.other Radiation en
dc.subject.other Radioactivity en
dc.subject.other Radioactivity measurement en
dc.subject.other Radioisotopes en
dc.subject.other Signal detection en
dc.subject.other Autonomous underwater detectors en
dc.subject.other Detection systems en
dc.subject.other In-situ en
dc.subject.other Marine environments en
dc.subject.other Marine radioactivity en
dc.subject.other Maximum depth en
dc.subject.other Scintillation spectrometry en
dc.subject.other Sensors en
dc.subject.other bismuth en
dc.subject.other bismuth 214 en
dc.subject.other cesium 137 en
dc.subject.other lead en
dc.subject.other lead 214 en
dc.subject.other potassium 40 en
dc.subject.other sodium iodide en
dc.subject.other technetium 99m en
dc.subject.other article en
dc.subject.other calibration en
dc.subject.other crystal en
dc.subject.other dilution en
dc.subject.other environmental monitoring en
dc.subject.other marine environment en
dc.subject.other priority journal en
dc.subject.other radioactivity en
dc.subject.other scintillation spectrometry en
dc.subject.other system analysis en
dc.subject.other Equipment Design en
dc.subject.other Equipment Failure Analysis en
dc.subject.other Marine Biology en
dc.subject.other Oceans and Seas en
dc.subject.other Radiation Dosage en
dc.subject.other Radiation Monitoring en
dc.subject.other Radioisotopes en
dc.subject.other Robotics en
dc.subject.other Scintillation Counting en
dc.subject.other Spectrum Analysis en
dc.subject.other Water en
dc.subject.other Water Pollutants, Radioactive en
dc.title An autonomous in situ detection system for radioactivity measurements in the marine environment en
heal.type journalArticle en
heal.identifier.primary 10.1016/j.apradiso.2008.02.064 en
heal.identifier.secondary http://dx.doi.org/10.1016/j.apradiso.2008.02.064 en
heal.language English en
heal.publicationDate 2008 en
heal.abstract A new detection system named "KATERINA" is developed and applied for measuring marine radioactivity using NaI(Tl) as a crystal. This apparatus is designed for qualitative and quantitative radionuclide detection in the marine environment with maximum depth of deployment 400m. A detailed study for the enclosure of the system and for the electronics development is performed. The system offers volumetric activities in Bq/m(3) using the marine efficiency calibration, which is measured by dilution of three reference sources ((TC)-T-99m, Cs-137, and K-40) in a special tank. The calibration procedures for energy, energy resolution and efficiency were analyzed with particular attention to the factors that affect the calibration parameters. The underwater detector is tested in the field for acquiring radon daughters (Pb-214 and Bi-214) in a region where submarine groundwater discharge exists in the coastal zone. (c) 2008 Elsevier Ltd. All rights reserved. en
heal.publisher PERGAMON-ELSEVIER SCIENCE LTD en
heal.journalName Applied Radiation and Isotopes en
dc.identifier.doi 10.1016/j.apradiso.2008.02.064 en
dc.identifier.isi ISI:000259385000025 en
dc.identifier.volume 66 en
dc.identifier.issue 10 en
dc.identifier.spage 1419 en
dc.identifier.epage 1426 en


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