137Cs Inter-Plant Concentration Ratios Provide a Predictive Tool for Coral Atolls with Distinct Benefits Over Transfer Factors

摘要

Plant to soil radionuclide transfer factors (TF) (Bq kg-1 in plants/Bq kg-1 in soil; both in dry weight) have been used for many years to predict concentrations of radionuclides that could be expected in food crops after accidental releases of radionuclides into the environment. TF have been developed from planned greenhouse, pot, and small field experiments where various radionuclides are added to the soil, and from large-scale field experiments in various environments and ecosystems that have been contaminated by nuclear test programs, reactor accidents, or other major accidents. Many reports are available that deal with TF in various types of plants, soil, and ecosystems for both radionuclides and stable elements.