Experimental Method

The atmospheric transport model was configured to facilitate the assessment of the risk from the release of a radioactive gas for each day of the year. The site of the release was located at latitude 7 degrees south and longitude 111 degrees east.

The model run included 1 000 000 air parcels. The advection of each air parcel was computed every six hours. The concentration on each air parcel was calculated every 24 hours. Estimates of the concentration were saved on an Eulerian grid at 2.5 degrees resolution at seven vertical levels. The model run generates nearly 110 Mbytes of concentration data per year of simulation.

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