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Planktic foraminifers as recorders of seawater Ba/Ca

Hönisch, Bärbel; Allen, Katherine A.; Russell, Ann; Eggins, Stephen; Bijma, Jelle; Spero, Howard; Lea, David W; Yu , Jimin

Description

Recent studies have used the Ba/Ca ratio of planktic foraminifer shells as a proxy for river run-off at oceanic sites near estuaries. Such studies assume that the Ba/Ca ratio in planktic foraminifer shells is primarily controlled by the Ba/Ca concentration of seawater and that other parameters such as salinity, temperature and pH do not compromise the primary Ba concentration relationship. Here we provide new insights from culture experiments and review published studies to confirm that...[Show more]

CollectionsANU Research Publications
Date published: 2011
Type: Journal article
URI: http://hdl.handle.net/1885/67705
Source: Marine Micropaleontology
DOI: 10.1016/j.marmicro.2011.01.003

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