August 2021

Month

Projections by the Intergovernmental Panel on Climate Change (IPCC) 2021, for extratropical cyclones, such as bomb cyclones, indicate a 20% to 50% increase in this type of event in the coming decades, mainly around the latitude of 60S, meaning that the northern Antarctica Peninsula likely will be seriously impacted by such events. These projections are confirmed in the analysis of...
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Figure 1: Illustration of the formation of the atmospheric river over South America. (Source: http://riosvoadores.com.br/wp-content/uploads/sites/5/2013/05/diagrama.png , accessed in 08/06/2021 at 14:39h) Atmospheric river are flowing columns of long, narrow “ribbons” of condensed air which carry large amounts of water vapor. This phenomenon is a fundamental, determinant of the balance of the ecosystem and biodiversity in various regions...
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In recent months, large areas of the Amazon rainforest have suffered from an increase in illegal deforestation. According to data from the Amazon Institute of Man and Environment (Instituto do Homem e Meio Ambiente da Amazônia – Imazon), May 2021 was the third consecutive month with the largest deforestation in the Amazon in 10 years....
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