Monday, December 23, 2019

Essay on Environmental Consequences of Nuclear Weapons Use

nbsp;nbsp;nbsp;nbsp;nbsp;Nuclear weapons have a long-lasting and devastating effect on the world for many years after an initial explosion. Fallout from United States atmospheric testing from 1945 to 1963 killed an estimated 70,000 to 800,000 people worldwide. People who have worked in the early nuclear weapons programs have been exposed to significant amounts of radiation (Schwartz 395). nbsp;nbsp;nbsp;nbsp;nbsp;When a nuclear weapon goes off, there are four basic types of explosions: air bursts, surface blast, subsurface burst, and high altitude burst. An air burst occurs when a weapon is detonated at a height so the fireball does not reach the surface of the earth (Effects Nuclear Explosions). When the shock wave hits the†¦show more content†¦A blast like this could create an intense electromagnetic pulse (EMP) which will destroy anything electronic (Effects Nuclear Explosions). The blast wave is formed from very high temperatures and moves away from the center of the ground-zero. While expanding, the peaks pressure decreases, and the propagation goes down from the supersonic speed. Most of the destruction from a nuclear blast is from the blast effects. The range of the blast will determine the explosive yield of the weapon (5.0 Effects Nuclear Weapons). There are many sources for nuclear radiation such as initial radiation, residual radiation, and fallout. About 5% of all of the energy from a nuclear explosion are in the form of initial radiation. Intensity from the blast will go down very rapidly with distance from the blast, because of the large area fallout will travel. Residual radiation comes in three forms: fission products, unfissioned nuclear material, and neutron-induced activity. There are more than 300 fission products. Most of these have very short half-lives. However, some of them have half-lives that can be month or years. 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