Geostatistics for the characterization of nuclear facilities, sites and waste
Geostatistics is a relevant tool for characterizing the radioactivity at each phase of a decommissioning project (during operation, after shut-down, or during dismantling), a site remediation project (during site investigation and after remediation work to check the site compliance with cleanup regulations) or in post-accidental context.
Whatever the phenomenon (contamination, activation, NORM, …) and the impacted materials (soil, concrete, groundwater, graphite, process equipment, …), geostatistics offers a range of tools for:
– sampling campaign optimization to meet the quality objectives of each phase of the characterization process,
– identification of the contamination extension,
– sound radiological waste classification enabling a quantified risk analysis that informs decision-making.
In the nuclear industry, geostatistics also advantageously applies to other fields: hydrogeology, carbon content, waste packages, etc.
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Resources
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Kartotrak | How confident are you with your management plan quality?
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Kartotrak | Etes-vous sûr de la qualité de vos plans de gestion ?
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Kartotrak : Solution logicielle intégrée pour la caractérisation des sites et sols contaminés
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Kartotrak: Integrated Software Solution for Contaminated Site Characterization
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Contributions of the CETAMA working group n°10 on sampling and radiological characterisation (poster) | Anne Courtadon et Danièle Roudil, CEA Marcoule; Yvon Desnoyers, Geovariances; Didier Dubot, CEA; Guy Granier, IRSN; Catherine Ollivier-Dehaye, EDF
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Visualisation de résultats cartographiques sur une topographie – Exemple de Fukushima | Présenté à la réunion utilisateurs Kartotrak 2013 par Y. Desnoyers (Geovariances)
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Section Assainissement du Site et l’évaluation radiologique : méthodologie, outils et applications | Présenté à la réunion utilisateurs Kartotrak 2013 par E. Aubonnet (Geovariances)
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Utilisation du module d’acquisition en temps réel de Kartotrak | Présenté à la réunion utilisateurs Kartotrak 2013 par J. Attiogbe (Geovariances)
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Analyses de Tritium et 14C dans le cadre du démantèlement. Intérêt de Kartotrak | Présenté à la réunion utilisateurs Kartotrak 2013 par P. Fichet (CEA)
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Kartotrak, software solution for contaminated site and soil characterization | Kartotrak, software solution for contaminated site and soil characterization
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Geostatistical deconvolution to find and locate punctual sources | Geostatistical deconvolution to find and locate punctual sources
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Non-Destructive identification of silt-clay layers on borehole core logs in PVC liners | Clay Conference 2022 - Non-Destructive identification of silt-clay layers on borehole core logs in PVC liners
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Spatio-temporal optimization of groundwater monitoring network at Pickering Nuclear Generating Station (video) | Pre-recorded video of a technical paper presented during Geostats 2021 | Yvon Desnoyers and Pedram Masoudi, Geovariances, Mike Grey, Kinectrics.
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Factorial kriging for estimating and mapping the geochemical background from in situ gamma dose rate measurements downstream of a former uranium mine | Journal of Environmental Radioactivity Volume 237, October 2021, 106681