Browsing by Subject "Holoceno"
Now showing items 1-5 of 5
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Mudanças paleoclimáticas na Serra Norte dos Carajás (PA)
| Posted on: 14 set. 2010The future of global climate becomes of paramount importance to determine the variations of climate over the evolution of the planet. Given that the Amazon region is currently holding the world's greatest biodiversity, ... -
PALEOHIDROLOGIA DO LAGO ACARABIXI, MÉDIO RIO NEGRO, AM, DURANTE O HOLOCENO
| Posted on: 22 fev. 2006Knowing that the hydrologic conditions of a fluvial system depends directly on the regional climate, and that the Holocene climatic changes reached several areas of Amazonia in different ways, this work seeks to reconstitute, ... -
Reconstruções paleoambientais e paleoclimáticas durante o quaternário superior a partir de registros palinológicos ao sul do Pará (Brasil)
| Posted on: 17 jun. 2013Palynological analyses are important to vegetation and climate reconstruction over time. A sediment core with 2,42 m of depth was collected in Lake Saci (South Pará, Brazil) in a region influenced by South Atlantic Convergence ... -
Registro de paleontemperaturas na plataforma continental de Cabo Frio, Rio de Janeiro, ao longo dos últimos 13.000 anos
| Posted on: 30 jul. 2008Planktonic Foraminifera and isotopic composition (δ18O) of Globigerinoides ruber(Gr) and Globigerina bulloides (Gb) were used to reconstruct SST variations in the coastal shelf of Cabo Frio (23º11´ S and 42º47´ W) for ... -
Utilização de indicadores biogeoquímicos na reconstituição das mudanças paleoambientais do holoceno em área de transição de floresta/cerrado/campo (Humaitá - AM)
| Posted on: 29 jun. 2006The utilization of biogeochemical indicators on paleoenvironmental reconstruction at the Humaitá region (AM) helps estimate the frequency and magnitude of paleofires. Analysis of biogenic material flow, isotopes and ...