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A 5.6-m-long lake sediment core from Bear Lake, Alaska, located 22km southeast of Redoubt Volcano, contains 67 tephra layers deposited over the last 8750calyr, comprising 15% of the total thickness of recovered sediment. Using 12 AMS 14 C ages, along with the 137 Cs and 210 Pb activities of recent sediment, we evaluated different models to determine the age–depth relation of...
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