Atmospheric Chemistry and Physics
Atmospheric Chemistry and Physics
ACP
Articles | Volume 24, issue 15
Articles | Volume 24, issue 15
https://doi.org/10.5194/acp-24-8797-2024
© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/acp-24-8797-2024
© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 24, issue 15
Research article
 | 
09 Aug 2024
Research article |  | 09 Aug 2024

Trends in observed surface solar radiation and their causes in Brazil in the first 2 decades of the 21st century

Lucas Ferreira Correa, Doris Folini, Boriana Chtirkova, and Martin Wild

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Short summary
We investigated the causes of the decadal trends of solar radiation measured at 34 stations in Brazil in the first 2 decades of the 21st century. We observed strong negative trends in north and northeast Brazil associated with changes in both atmospheric absorption (anthropogenic) and cloud cover (natural). In other parts of the country no strong trends were observed as a result of competing effects. This provides a better understanding of the energy balance in the region.
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