The high degree of uncertainty in modeling structure and input parameters used to describe radionuclide fate and transport in forest ecosystems has posed difficulties in accurately modeling radionuclide transport.Many dynamic parameters are required for modeling (such as radionuclide residence half-times in forest compartments) and these parameters are typically difficult to measure (e.g.,half-lives vary over a wide range:form days to thousands of years).the NATO workshop brought together more than 70 experts in forest radioecology and ecosystem modeling encompassing a wide range of disciplines and backgrounds.It provided a unique opportunity to quantify the state of knowledge on processes and parameters used in forest ecosystem modeling.
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