On the intriguing relationship between seawater salinity and δ18O of Globigerina bulloides at higher latitudes
The δ18O variation in planktic foraminifera Globigerina bulloides from nineteen surface sediment samples, collected onboard ORV Sagar Kanya between 1.92°S and 55.01°S latitude in the Indian Ocean sector of Southern Ocean, have been analyzed to understand the relationship between oxygen isotopic frac...
| Main Authors: | , , |
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| Other Authors: | |
| Format: | Text |
| Language: | English |
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| Online Access: | http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.520.1567 http://www.igu.in/11-2/1khare.pdf |
| Summary: | The δ18O variation in planktic foraminifera Globigerina bulloides from nineteen surface sediment samples, collected onboard ORV Sagar Kanya between 1.92°S and 55.01°S latitude in the Indian Ocean sector of Southern Ocean, have been analyzed to understand the relationship between oxygen isotopic fractionation and near surface seawater salinity. The initial intriguing results indicate that up to ~31°S latitude, salinity may influence the oxygen isotopic composition of the foraminiferal tests. However, beyond 31°S (further south) latitude, salinity does not appear to influence the G. bulloides oxygen isotopic composition significantly. |
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