Bulk geochemical analysis and planktonic foraminifera of sediment core GeoB7112-5, supplement to: Mohtadi, Mahyar; Romero, Oscar E; Hebbeln, Dierk (2004): Changing marine productivity off northern Chile during the last 19,000 years: A multivariable approach. Journal of Quaternary Science, 19(4), 347-360

Mahyar Mohtadi, Oscar E Romero & Dierk Hebbeln
A multivariable approach utilising bulk sediment, planktonic Foraminifera and siliceous phytoplankton has been used to reconstruct rapid variations in palaeoproductivity in the Peru-Chile Current System off northern Chile for the past 19000 cal. yr. During the early deglaciation (19000-16000 cal. yr BP), our data point to strongest upwelling intensity and highest productivity of the past 19 000 cal. yr. The late deglaciation (16000-13000 cal. yr BP) is characterised by a major change in the oceanographic...
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