The effects of atomic radiation on oceanography and fisheries, report effectsofatomicr00nati Year: 1957 42 Atomic Radiation and Oceanography and Fisheries .4 .5 2 3 4 5 iO HALF-LIFE (YEARS) Figure 1 30 40 50 100 However, the effect of the internal mixing rate of the sea in the model adopted, is to cut the activity in the mixed layer down to dps/liter which is, by coincidence, just equal to the natural activity and which would thus just double the activity in the mixed layer. It should be noted that the figures given in the table for the predicted activities in the mixed layer ref
The effects of atomic radiation on oceanography and fisheries, report effectsofatomicr00nati Year: 1957 42 Atomic Radiation and Oceanography and Fisheries .4 .5 2 3 4 5 iO HALF-LIFE (YEARS) Figure 1 30 40 50 100 However, the effect of the internal mixing rate of the sea in the model adopted, is to cut the activity in the mixed layer down to dps/liter which is, by coincidence, just equal to the natural activity and which would thus just double the activity in the mixed layer. It should be noted that the figures given in the table for the predicted activities in the mixed layer refer only to cross-thermocline mix- ing by physical processes, exclusive of biological transfer through the thermocline. However, the figures listed provide a basis for speculation on the hazardous effects of the mixed layer activity, in that comparison may be made with biological concentration factors, discussed else- where in this report, to predict the activity levels in marine organisms. In this way, rough predictions may be made of the hazard to man, not only by direct exposure to the waters of the mixed layer of the sea, but by the activity con- centrated in marine organisms used for food.
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