P5_2 Praimfaya: The Second Nuclear Apocalypse

Abstract

In Season 4 of The 100, all of Earth's unattended nuclear reactors melt within 6 months of each other, rendering the Earth uninhabitable for the second time in the shows history. We produce a model for the rate of decay in Caesium-137 fallout radiation levels. We discover that the total radiation, when averaged over the surface of the Earth, is 4.63 Sv yr^-1km^-2. We also calculate that it would take 156 years until the Earth's surface reached a safe level of radiation.