Operation GREENHOUSE. Scientific Directors Report. Annex 4.6. Atmospheric Conductivity
AIR FORCE CAMBRIDGE RESEARCH LABS HANSCOM AFB MA
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Investigations on this Project were restricted to two phases one consisted in measurements on air conductivity both signs and large-ion content one sign of air within an atomic cloud, and the other consisted in measurements of air conductivity one sign above the shot island and adjacent islands. The purposes of the first phase were to obtain information on the following points 1. Disposition of radioactive matter in an atomic cloud, and on the physical and electrical characteristics of particles composing the cloud 2. Over-all movement, both horizontal and vertical, of an atomic cloud 3. Efficiency of mechanical filters for the collection of radioactive material composing an atomic cloud. The purposes of the second phase were to obtain information concerning the following 1. Magnitude of fall-out and its relation to the direction and velocity of the wind 2. Rate of radioactive decay of fall-out material on adjacent islands. Information was obtained on all these points, and a discussion of each is embodied in this volume.
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