2018
DOI: 10.1016/j.palaeo.2018.01.040
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Variations in benthic foraminiferal assemblages in the Tagus mud belt during the last 5700 years: Implications for Tagus River discharge

Abstract: We analyzed a 10-m sediment core retrieved at 82 m water depth off the coast of the Tagus River (Western Iberian Margin, Portugal) to investigate a linkage between variations in benthic foraminiferal assemblages and Tagus River discharge over the last 5700 years. Benthic foraminiferal assemblages were studied at high resolution in combination with the stable carbon and oxygen isotopic composition of fossil shells of Nonion scaphum, bulk and molecular organic matter properties (TOC, TN, C/N ratio,  13 CTOC,  … Show more

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“…They are dependent on the Azores High meridional displacement and the local wind-regime (Fiuza, 1984;Peliz et al, 2005). Intense river discharges (Benito et al, 2003;Abrantes et al, 2009;Rodrigues et al, 2009;2010;Vis et al, 2008) from the Tagus hydrographic basin occur mainly in the winter season (Rodrigo et al, 1999;Trigo and da Camara, 2000;Bernárdez et al, 2008;Dessandier et al, 2018).…”
Section: Environmental Setting [Figure 1]mentioning
confidence: 99%
“…They are dependent on the Azores High meridional displacement and the local wind-regime (Fiuza, 1984;Peliz et al, 2005). Intense river discharges (Benito et al, 2003;Abrantes et al, 2009;Rodrigues et al, 2009;2010;Vis et al, 2008) from the Tagus hydrographic basin occur mainly in the winter season (Rodrigo et al, 1999;Trigo and da Camara, 2000;Bernárdez et al, 2008;Dessandier et al, 2018).…”
Section: Environmental Setting [Figure 1]mentioning
confidence: 99%