Discovery Metadata System

Data from the Arctic biomarker IP25 and associated open water and marginal ice zone biomarkers brassicasterol and HBI III from the eastern Bering Sea during the Pleistocene
GB/NERC/BAS/PDC/01048

Summary

Abstract:
This data set comprises sea ice-related biomarkers for three time intervals, corresponding to the pre-MPT (1.53-1.36 Ma), the MPT (1.22-0.8 Ma), and the post-MPT (0.5-0.34 Ma) climate cycles from International Ocean Discovery Program (IODP) Site U1343 in the eastern Bering Sea (57deg33.4'N, 176deg49.0'W, 1950 m water depth). The biomarkers are the Arctic sea ice biomarker IP25, together with HBI III and brassicasterol, indicative of open water in the ice marginal zone and general phytoplankton production, respectively.

Funding was provided by the NERC grant NE/L002434/1.

Keywords:
Bering Sea, Biomarker, IP25, Mid-Pleistocene transition, Sea ice

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