Objective
The data bank has mainly two objectives:
to keep a historical record of the Chernobyl accident, for further scientific study
to store the radioactivity monitoring data of the EC Member States in order to prepare the Monitoring Report. By means of this report the Member States are informed of the radioactivity levels in the environment in the European Community, as stated in art 35-36 of the Euratom Treaty.
The Radioactivity Environmental Monitoring (REM) databank was set up to bring together environmental radioactivity data produced in the aftermath of the Chernobyl accident. Data in the bank are available to external users via the network connection to REM (X.25 or modem).
Further progress has been accomplished in the area of long range atmospheric transport models and their application.
An automated procedure has been developed, based on the fact that when the observation field becomes available, a function describing this field is fitted and a new area source is used to update the predictions.
In order to estimate the circulation of air masses over complex terrains, where the complex terrains, where the complexity can be due to the presence of mountains or to the effect of large water basins, 2 circulation models are available. These have been applied to different localities.
Transport and dispersion of pollutants for short and mesoscale distances can be simulated by Lagrangian particle in cell models, in which the motion of each particle isdescribed by the mean wind plus semirandom components accounting for turbulent situations.
A new code (MONTECARLO) has been developed, which involves simulation schemes for describing the inhomogeneous turbulence of the convective boundary layer. The results of these schemes have been critically compared in some standard situations.
The European Community Urgent Radiological Information Exchange (ECURIE) is the European Economic Community (EEC) early warning and exchange of information system. The system consists of a telex communication network for the transmission of radiological emergency messages. The encoding decoding software (EDS) has been developed and the first intercomparison exercise was on the determination of tritium, strontium-90 and caesium-137 in groundwater samples. The results of all laboratories, but one were within 10%.
The information held by the bank covers data from the twelve EC Member States, as well as other European countries for both environmental samples and foodstuffs from 1984 onwards.
Programme(s)
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21020 Ispra
Italy