RMI Nuclear Justice Documents

46 Table 1— FALLOUT-FORMATION PARAMETERS Initial condition variables Composition of the device Composition and physical properties of the environmental materials at shot point Geometric parameters Dimensions and location of the visible fireball and cloud as a function of time after detonation Dimensions of the apparent crater and crater lip Spatial distribution of radioactivity in the fireball and cloud volume as a function of time after detonation Spatial geometryof toroidal circulation of the rising fireball and cloud Energy balance parameters Air overpressures and ground-shock energies Radiant energy emitted as a function of time after detonation Temperature of fireball gas as a function of time after detonation Material composition of fireball and influx. mixing, and ejection of gases and particles as a function of particle size and time after detonation Energetics (dynamics) of particle circulations in and about the rising fireball and cloud Related resultant parameters Chemical composition of fallout particles Radiochemical composition of particles as a function of particle diameter, including specific activity of the particles Radioactivity and mass-distribution functions Solubility of radioelements as a function of particle size Shape, structure, and density of fallout particles and internal distributions of crystalline and glass phases and of the radioelements within the fallout particles Table 2—- FALLOUT-DISTRIBUTION PARAMETERS Initial-condition variables Spatial distribution of radioactivity and mass of particles at the time of cloud stabilization and at the times when particles start free-gravity fall Particle-fall-rate parameters Density distribution of fallout particles as a function of particle diameter. shape, and number or mass Atmospheric conditions (air density, viscosity, temperature, pressure, relative humidity, etc.) as a function of altitude over the fallout area Particle shape and drag factors Agglomeration effects (including incorporation of solid particles in raindrops) Meteorological parameters Wind speeds and direction as a function of altitude and time over the whole fallout area Vertical air motions Effect of terrain features and diurnal heating and cooling on the air-flow patterns Deposition dynamics Time of arrival of fallout particles at given locations on the ground or in the air as a function of particle size Duration of fallout deposition at given locations in the fallout area (Table 2 continues on page 47)