More than one year later, many uncertainties remain, especially
on the source term (release kinetics, source height, and isotopic
composition) and meteorology. Besides, uncertainties in simulation
parameters such as dry deposition velocities and scavenging coefficients
cannot be neglected. Our sensitivity study is aimed at
identifying the most sensitive simulation parameters and input
data.
This paper is organized as follows: first, input data and simulation
set-up are described for a “reference” configuration (Section
2). Then, this reference simulation is compared to gamma dose rate
and deposition measurements (Section 3). Finally, the sensitivity
simulations are presented and discussed based on total deposition
budget and model-to-data comparisons (Section 4).
More than one year later, many uncertainties remain, especiallyon the source term (release kinetics, source height, and isotopiccomposition) and meteorology. Besides, uncertainties in simulationparameters such as dry deposition velocities and scavenging coefficientscannot be neglected. Our sensitivity study is aimed atidentifying the most sensitive simulation parameters and inputdata.This paper is organized as follows: first, input data and simulationset-up are described for a “reference” configuration (Section2). Then, this reference simulation is compared to gamma dose rateand deposition measurements (Section 3). Finally, the sensitivitysimulations are presented and discussed based on total depositionbudget and model-to-data comparisons (Section 4).
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