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Amanda Balbino Cardozo,Igor Stivanelli Custódio,Michelle Simões Reboita,Sâmia Regina Garcia
Este estudo abordou três objetivos: (1) determinar a climatologia de frentes frias (FFs) em 8 cidades ao longo da costa leste da América do Sul no período de 2007 a 2013 com base em análise visual de cartas sinóticas e com um método objetivo usando duas ...
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Olivia J. Truax, Bette L. Otto-Bliesner, Esther C. Brady, Craig L. Stevens, Gary S. Wilson and Christina R. Riesselman
Improved understanding of the drivers of climate variability, particularly over the last millennium, and its influence on Antarctic ice melt have important implications for projecting ice sheet resilience in a changing climate. Here, we investigated the ...
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José Mauro Dalla Rosa,Jefferson Cardia Simões,Pedro Amaral Reis,Francisco Eliseu Aquino,Isaías Ullmann Thoen,Ronaldo Torma Bernardo,Jeffrey D. Auger
In this work, we present the climatic evolution of the South Pacific Ocean from 1900 to 2010 and its environmental influence over West Antarctica. We analyzed the sea surface temperature, mean sea level pressure, and meridional wind (at 850 hPa) of the S...
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Jonathan M. Stelling and Zicheng Yu
The Antarctic Peninsula (AP) climate is characterized by a high degree of variability, which poses a problem when attempting to put modern change in the context of natural variation. Therefore, novel methods are required to disentangle sometimes conflict...
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Giannetta Fusco, Yuri Cotroneo and Giuseppe Aulicino
Operational analyses and re-analyses, provided by ECMWF for the period 1972?2015, were used to investigate the behaviour of the surface heat fluxes between ocean and atmosphere, estimated via empirical formulae, over the Ross and Weddell Seas. The presen...
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W. Jackson Davis, Peter J. Taylor and W. Barton Davis
We report a previously-unexplored natural temperature cycle recorded in ice cores from Antarctica?the Antarctic Centennial Oscillation (ACO)?that has oscillated for at least the last 226 millennia. Here we document the properties of the ACO and provide a...
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Flávia Venturini Rosso, Nathalie Tissot Boiaski, Simone Erotildes Teleginski Ferraz and Tiago Capello Robles
The South Atlantic convergence zone (SACZ) is the main summer-typical atmospheric phenomenon occurring in South America, and it is of great interest because it regulates the rainy season in the most populated regions of Brazil. Frequency variability, per...
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