Southern Ocean and Weddell Sea bottom water Pb isotope compositions trace ice sheet dynamics and regional circulation patterns today and during the past 140 ka

• Main Authors: Huang, Huang, Gutjahr, Marcus, Kuhn, Gerhard, Eisenhauer, Anton
• Format: Conference Object
• Language: unknown
• Published: DFG 2017
• Subjects: Antarctic; Southern Ocean; Weddell Sea; Weddell; Stirling; Halliday; Vance; Orphan Knoll; Antarc*; Ice Sheet; Ice Shelf; Iceberg*; North Atlantic
• Online Access: https://epic.awi.de/id/eprint/46257/; https://epic.awi.de/id/eprint/46257/1/Huang_IODP_2017.pdf; https://hdl.handle.net/10013/epic.6c897445-8366-4905-8230-b7b9ec8ad2a3; https://hdl.handle.net/

Dissolved lead (Pb) is mainly supplied to the oceans by physical and chemical weathering on the continents. The short residence time of Pb in seawater on the order of only a few decades makes its isotopic compositions an excellent tracer for local continental inputs. Lead was found to be incongruent...