Luciana Pires

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Photo credit: Vanessa Xerente A group of 29 indigenous people from the Xerente ethnic group, in Tocantínia (in the State of Tocantins), completed their first training course for a voluntary brigade designed exclusively for women. The training involved concepts ranging from environmental education and fire behavior, to organization and safety, in addition to controlled burning...
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Figure 1. Satellite image shows fires and smoke over Alaska on June 08, 2022. Source: https://wvs.earthdata.nasa.gov/ According to data collected by NASA’s NPP-375 satellite, we are still in the middle of June and the state of Alaska has already recorded the highest number of fires for a month of June in the last 7 years.  In...
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Figure: synoptic letter of January 10, 2022. Source: https://ssl.smn.gob.ar/ On January 10, 2022, an explosive cyclone (a “weather bomb”, as they are popularly known), hit the north of the Antarctic Peninsula, where several international research stations are located, including those sponsored by Argentina, Brazil, Chile, China, South Korea, Peru, Poland, Russia, Uruguay, and the United States. The...
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Photo: Pixabay The WEC Weather and Climate Monitoring System reports that this December 2021 was the warmest month at the Argentinian Marambio station on the Antarctic continent since 1970. According to meteorological data recorded at the site and monitoring of Antarctic climatology carried out by the World Environmental Conservancy (WEC), the average temperature this month...
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Population increase along with economic growth and consumerism end up generating more emissions of greenhouse gases, which causes an aggravation of global warming and consequently the reduction of rainfall, resulting in a water crisis manifesting in the current Brazilian scenario. The CO2 present in the atmosphere, from the burning of fossil fuels, which has been...
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Figure 1. Sand and dust storm hits the interior of the state of São Paulo (Source: https://exame.com/brasil/tempestades-de-areia-avancam-em-cinco-estados-e-sao-alerta-sobre-o-clima/ ). Between September 8th and October 16, 2021, at least, 5 very large dust storms hit several Brazilian states including Paraná, São Paulo, Mato Grosso do Sul, Minas Gerais and Goiás. This type of storm occurs when moderate...
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Integrated fire management (IFM) is an approach that proposes the use of controlled burning at the beginning of drought periods and aims to reduce the conditions for the occurrence of large forest fires, ensuring the conservation and sustainable use of ecosystems. The IFM is made through the preparation of firebreaks, that is, bands of protection intended to...
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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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Map 1: Predicted temperature anomaly at the level of 850 hPa (1500 m) for July 29, 2021 Starting next Tuesday (27), an intense mass of polar air will begin its advance towards Brazil. The following days will show exceptionally low temperatures, snow and the prospect of very cold days for a longer period than usual...
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