lipídios como indicadores de mudanças climáticas no passado 1: biomarcadores marinhos lipids as indicators of paleoclimatic changes 1: marine biomarkers

Clicks: 208
ID: 176621
1997
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Abstract
The distribution and abundance of specific lipid biomarkers in marine sediments can play an important rule for the reconstruction of past climatic changes. Here, it is shown the use of a widely known paleo Sea Surface Temperature (SST) proxy based on the unsaturation ratio of a suite of long-chain C37 alkenones: the alkenone unsaturation index, U K37'. These compounds are biosynthesised by only a restricted group of prymnesiophyte algae, mostly notably the coccolithophorid Emiliania huxleyi. To ilustrate the importance of the U K37' index as a molecular tool, the correlation between the SST signal derived from the U K37' and other paleoclimatic records examined in a core from the North Atlantic is discussed.
Reference Key
madureira1997qumicalipdios Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors ;Luiz A. S. Madureira
Journal greece and rome
Year 1997
DOI
10.1590/S0100-40421997000300010
URL
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-40421997000300010
Keywords
marine sediments north atlanticchemistry

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