Publication Date:
2024-01-09
Description:
Our dataset comprises the relative abundances of benthic foraminifera at Site 807, located in the Western Equatorial Pacific on the Ontong Java Plateau. We specifically selected two epibenthic foraminifera species, viz. Cibicides wuellerstorfi and Cibicides kullenbergi, for their census counts and their stable isotopes (~100-300 μg of cleaned benthic foraminiferal tests were used for stable isotope measurements). This investigation was undertaken to analyze deep water conditions at the studied site (Site 807) since the middle Miocene. Additionally, to examine the presence of Pacific Deep Water during this temporal span, we examined two other benthic foraminifera species, Favocassidulina favus and Pullenia bulloides. Uvigerina proboscidea was chosen to assess productivity. Furthermore, the cumulative abundance of Uvigerina peregrina and Globocassidulina subglobosa was calculated due to their suggested roles as proxies for Circumpolar Deep Water (CDW). For the assessment of deep water flow velocity, we calculated cumulative abundance of C. wuellerstorfi and G. subglobosa, as their presence has been associated with increased water flow velocity, indicative of their ability to thrive in high-energy environments and withstand strong bottom currents.
Keywords:
Antarctic ice-sheet; Benthic foraminifera; Indian Ocean; Ocean Drilling Program; Ocean Gateways; ODP; Stable isotope; Western Pacific
Type:
Dataset
Format:
application/zip, 2 datasets
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