Table 1. Radiocarbon dates from TPC522 and box core surface samples from BC521 and BC523 ...

• Main Authors: Peck, Victoria L, Allen, Claire Susannah, Kender, Sev, McClymont, Erin L, Hodgson, Dominic A
• Format: Dataset
• Language: English
• Published: PANGAEA 2015
• Subjects: Event label; Laboratory code/label; DEPTH, sediment/rock; Age, dated material; Age, dated; Age, dated standard deviation; Age, dated, range, minimum; Age, dated, range, maximum; Carbon, organic, total; δ13C, organic carbon; Box corer; Piston corer; Age, calibrated; JR20080221; James Clark Ross; Antarc*; Antarctic; Antarctic Peninsula; Ice Sheet; Ice Shelves; Sea ice
• Online Access: https://dx.doi.org/10.1594/pangaea.848121; https://doi.pangaea.de/10.1594/PANGAEA.848121

Recent intensification of wind-driven upwelling of warm upper circumpolar deep water (UCDW) has been linked to accelerated melting of West Antarctic ice shelves and glaciers. To better assess the long term relationship between UCDWupwelling and the stability of theWest Antarctic Ice Sheet, we present a multi-proxy reconstruction of surface and bottom water conditions in Marguerite Bay, West Antarctic Peninsula (WAP), through the Holocene. A combination of sedimentological, diatom and foraminiferal records are, for the first time, presented together to infer a decline in UCDW influence within Marguerite Bay through the early to mid Holocene and the dominance of cyclic forcing in the late Holocene. Extensive glacial melt, limited sea ice and enhanced primary productivity between 9.7 and 7.0 ka BP is considered to be most consistent with persistent incursions of UCDW through Marguerite Trough. From 7.0 ka BP sea ice seasons increased and productivity decreased, suggesting that UCDW influence within Marguerite ... : Supplement to: Peck, Victoria L; Allen, Claire Susannah; Kender, Sev; McClymont, Erin L; Hodgson, Dominic A (2015): Oceanographic variability on the West Antarctic Peninsula during the Holocene and the influence of upper circumpolar deep water. Quaternary Science Reviews, 119, 54-65 ...