Late Holocene relative sea levels near Palmer Station, northern Antarctic Peninsula, strongly controlled by late Holocene ice-mass changes

Abstract

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PALeo constraints on SEA level rise (PALSEA): Ice-sheet and sea-level responses to past climate warming

“…1), respectively. Simms et al (2018) find changes in sea level along the Antarctic Peninsula are likely recording recent ice-sheet loading history rather than GIA following the last deglaciation. In particular, a late-Holocene increase in the rate of sea-level fall could reflect recent ice retreat following a readvance after the last deglaciation, similar to observations to the south of the West Antarctic ice sheet (Bradley et al, 2015;Kingslake et al, 2018).…”

“…Their results highlight the complexity in isolating different drivers and thus estimating global mean sea-level change from local relative sea-level change (e.g., Kopp et al, 2016). Both Simms et al (2018) and Barnett et al (2018) show the difficulty in defining a baseline period in sea level against which current changes can be assessed and future predictions made.…”

“…The cause of this oscillation at the Bahamas is, however, unknown (Barlow et al, 2018). Simms et al (2018) and Barnett et al (2018) provide two new relative sea-level records to document peak interglacial Holocene change at near-field sites on the Antarctic Peninsula (10 on Fig. 1) and eastern Quebec (11 on Fig.…”

“…PALSEA brings together observational scientists and ice-sheet, climate and sea-level modelers in order to better define and interpret observational constraints on past sea-level rise and improve our understanding of ice-sheet responses to climate change. This PALSEA Quaternary Science Reviews special issue addresses these topics by examining orbital-scale sea-level changes during the late Pliocene (Grant et al, 2018), ice-sheet extent and volume prior to and during the last glacial maximum (Carlson et al, 2018;Pico et al, 2018;Simms et al, 2019), relative sea-level changes following the last glacial maximum (Barnett et al, 2019;Romundset et al, 2018;Simms et al, 2018;Xiong et al, 2018;Yokoyama et al, 2019;Yousefi et al, 2018), and full interglacial relative sea-level change during the last interglaciation (Skrivanek et al, 2018) (Fig. 1, 2b).…”

Luminescence dating of buried cobble surfaces from sandy beach ridges: a case study from Denmark

“…Recently, several studies have demonstrated the potential of using large clasts in OSL dating (e.g. Simms et al 2011Simms et al , 2018Sohbati et al 2011Sohbati et al , 2015Simkins et al 2013). These studies relied on the exposure of the clast surface to daylight, and the resulting resetting of the latent luminescence to some depth into the clast interior.…”