The VATO project: Development and validation of a dynamic transfer model of tritium in grassland ecosystem
Journal of Environmental Radioactivity(2017)
摘要
In this paper, a dynamic compartment model with a high temporal resolution has been investigated to describe tritium transfer in grassland ecosystems exposed to atmospheric 3H releases from nuclear facilities under normal operating or accidental conditions. TOCATTA-χ model belongs to the larger framework of the SYMBIOSE modelling and simulation platform that aims to assess the fate and transport of a wide range of radionuclides in various environmental systems. In this context, the conceptual and mathematical models of TOCATTA-χ have been designed to be relatively simple, minimizing the number of compartments and input parameters required. In the same time, the model achieves a good compromise between easy-to-use (as it is to be used in an operational mode), explicative power and predictive accuracy in various experimental conditions.
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关键词
Tritium compartment model,Measurements,TFWT and OBT activity concentration,Grass ecosystem,Eco-physiological functioning
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