A new study by a group of scientists looked at how photochemical decrease affects ozone loss and how much smoke protects surface from ultraviolet radiation.
Madrid (European News).- The enormous smog from nuclear warfare will alter the climate for many decades and destroy the ozone layer. This will pose a threat to human health as well as the food supply.
A new international study shows that global nuclear war will have far worse consequences than the analysis previously done. The research team used recently developed computer climate modeling techniques to learn more about the effects of hypothetical nuclear exchange, including the complex chemical interactions in the stratosphere that affect the amount of ultraviolet (UV) radiation reaching the planet’s surface.
Charles Barding, NCAR (National Center for Atmospheric Research), scientist, stated that climate and UV light would have an extensive impact, despite the fact that some deaths may occur very quickly. These effects do not affect the area where the war is taking place. They affect everyone.
Barding and co-authors discovered that the smog resulting from a nuclear war would wipe out most of the ozone layer within 15 years. The peak global ozone level loss was about 75%. Even a regional nuclear attack will result in the largest loss of 25% of ozone, with recovery taking approximately 12 years.
Because the ozone layers protect the earth’s surfaces from ultraviolet radiation, the effects of these harmful UV radiations will have a devastating effect on both humans and the planet. High levels of ultraviolet radiation can lead to certain types of skin cancer and cataracts. The ozone layer protects both terrestrial and aquatic ecosystems, as well as agriculture.
Alan Robock, coauthor of the study, stated that although we believe that ozone would be destroyed in a nuclear conflict, which will increase the UV rays on earth’s surfaces, too much smoke will block them.” Rutgers University Professor of Climate Science. “Now, we have calculated how this works, and quantified how it varies depending on how much smoke is present.
Scientists discovered in the 1980s that large amounts of nuclear-related smoke could cool the earth and block incident sunlight. This phenomenon was called “nuclear cold.” Also, they discovered that nuclear war can destroy ozone. It is caused by a chemical react that produces nitrogen oxides by fireballs from nuclear weapons explosions.
Studies have shown that smoke can cause ozone depletion by heating the stratosphere (which alters the rate of chemical reaction) and decreasing photochemistry (chemical reactions due to sunlight).
The authors conducted a new study to determine how photochemical reduction affects the ozone depletion. They also examined the effect of smoke on surfaces protected from ultraviolet radiation. The combined effects of global nuclear wars on surface ultraviolet chemistry and stratospheric heating, as well as nitrogen oxides, photochemical reduction and stratospheric oxygen warming, were calculated for the first.
The research team combined four advanced NCAR-based computer models: the earth community system model, which simulates the global climate; the whole atmosphere community climate model, which simulates the highest area of the atmosphere; the tropospheric model of visible light and ultraviolet radiation, which calculates the light sum that can be used for photolysis The amount of ultraviolet radiation reaching the surface; and the community model of atmospheric aerosols and radiation, which provides advanced treatment of smoke particles.
This modeling technique is used to analyze two situations. One, the five megatons of smoke from the Indian-Pakistan nuclear war produced was 5 megatons. The global nuclear war between Russia and the United States produced 150 megatons.
These results highlight the importance of sophisticated modeling techniques to make the most of the complex atmosphere. Simulations show that large amounts of smoke inhaled into the stratosphere during a nuclear war will lower the surface temperature. This is because it blocks sunlight and changes precipitation patterns. It also protects the earth from UV radiation. Destroy protective ozone. Cap. After a few years, however, the smoke will start to fade and more ultraviolet radiation will reach our surface through the thinned ozone layer.