Articles
Año 9 No.26 Mayo - Agosto 2023
Atmospheric aerosols. Relevance in the planet's climate and a demonstrative experiment on its formation in the urban-forest interface
Facultad de Ciencias Químicas, Benemérita Universidad Autónoma de Puebla
Bio
Centro de Investigación en Ciencias Agrícolas. Instituto de Ciencia. BUAP
Bio
Facultad de Ciencias Fisicomatemáticas. BUAP
Bio
Abstract
Atmospheric aerosols are particles suspended in the atmosphere that vary in origin, size, and composition. In addition to being dangerous to human health, atmospheric aerosols can have short- and long-term effects on climate dynamics and are considered one of the greatest sources of uncertainty in global climate prediction models. In this work, we make an introduction to the subject of atmospheric aerosols as a key element of climate change. Likewise, a demonstrative experiment we carried out in the university laboratory is presented to illustrate one of the possible chemical mechanisms of aerosol formation from biogenic emissions from forests and secondary pollutants from cities, knowing that this type of chemical reaction occurs in the forest environment or at the forest-city interface. We consider it important to spread this phenomenon since forest ecosystems are basically considered particle sinks when particles are deposited on the surface of plants and leaves due to the mechanical effects of the wind. However, it is less known that forests can emit elements that are precursors to forming atmospheric aerosols.
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