A team of researchers from the University of Zurich used the simulation for the first time on the CSCS Piz Daint supercomputer
Scientists explained that when burning wood,from petroleum products or other organic materials, soot particles consisting of carbon are released into the atmosphere. This soot is considered the second most important anthropogenic agent that affects the climate. Soot particles in the atmosphere absorb short-wavelength radiation from the Sun and thus contribute to global warming.
The team found that when the soot particlescombine with ozone or sulfuric acid, their physical and chemical properties change. Ozone-aged particles form condensation nuclei in the lower atmosphere, which contributes to the formation of clouds. However, in the higher layers of the atmosphere, the soot particles act as ice cores.
It became known when forests disappeared in Altai
In these simulations, the development of aerosol particlescombines with the physics of cloud formation in interactive computing. This is a complex process that requires more time than conventional climate modeling. Soot modeling has shown that as carbon dioxide levels in the atmosphere double compared to pre-industrial times, fewer low-lying clouds will form.
At the same time, a high concentration of soot leads tomore cooling to the top of the clouds, resulting in more dry air mixing above. “These clouds then evaporate faster, especially in warmer climates. Faster evaporation leaves less low clouds and more shortwave radiation hits the earth and heats it. ”
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