To improve the understanding of the environmental (14)C behaviour, the International Atomic Energy Agency (IAEA) coordinated a Tritium and C-14 Working Group (T&C WG) in its EMRAS (Environmental Modelling for Radiation Safety) programme. One of the scenarios developed in the frame of T&C WG involved the prediction of time dependent (14)C concentrations in potato plants. The experimental data used in the scenario were obtained from a study in which potatoes (Solanum tuberosum cv. Romano) were exposed to atmospheric (14)CO(2) in a wind tunnel. The observations were used to test models that predict temporal changes in (14)C concentrations in leaves at each sampling time for each experiment and (14)C concentrations in tubers at the final harvest of each experiment. The experimental data on (14)C dynamics in leaves are poorly reproduced by most of the models, but the predicted concentrations in tubers are in good agreement with the observations.

译文

:为了增进对环境(14)C行为的了解,国际原子能机构(IAEA)在其EMRAS(辐射安全环境建模)计划中协调了一个t和C-14工作组(T&C WG)。在T&C WG框架中开发的一种情况涉及对马铃薯植物中随时间变化的(14)C浓度的预测。该场景中使用的实验数据来自一项研究,该研究将马铃薯(Solanum tuberosum cv。Romano)暴露在风洞中的大气(14)CO(2)中。这些观察值用于测试预测每个实验每个采样时间叶片中(14)C浓度和每个实验最终收获期块茎中(14)C浓度随时间变化的模型。大多数模型均无法很好地再现叶片中(14)C动力学的实验数据,但预计块茎中的浓度与观测值非常吻合。

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