Modeling Radionuclide Transport and Uptake in an Integrated Lysimeter Experiment: I. Model Development
- A. P. Butler * and
- H. S. Wheater
A model of a set of integrated lysimeters used to study radionuclide transport and uptake in vegetated soils is described. The experimental facility is conceptualized as a network of linked compartments. Observed water fluxes provide the basis for simulating the movement and distribution of radionuclides throughout the entire experimental system. The model incorporates a simplified representation of upward migration of radionuclides into an unsaturated soil followed by leaching. The transfer of radionuclides from the soil to the crop is represented using a dynamic root uptake submodel. The application of the lysimeter system model to data for the radionuclide 22Na is presented in an accompanying paper.Please view the pdf by using the Full Text (PDF) link under 'View' to the left.
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