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