Cross-comparison of last glacial radiocarbon and OSL ages using periglacial fan deposits

Ventilation of the North Atlantic Ocean during the Last Glacial Maximum: A comparison between simulated and observed radiocarbon ages

[1] The distribution of radiocarbon during simulations of the Last Glacial Maximum with a coupled oceanatmosphere-sea ice model is compared with sediment core measurements from the equatorial Atlantic Ceara Rise, Blake Ridge, Caribbean Sea, and South China Sea. During these simulations we introduce a perturbation of North Atlantic freshwater fluxes leading to varying strengths of the Atlantic m...

Pavonis Mons Fan-shaped Deposits - a Cold-based Glacial Model

Introduction: Each of the three Tharsis Montes volcanoes on Mars has unusual fan-shaped deposits located exclusively to the northwest of each shield. The fan-shaped deposits of the Tharsis Montes generally share three major facies: 1) Ridged facies, 2) Knobby facies, and 3) Smooth facies. Here we examine the Pavonis fan-shaped deposits using new Mars Global Surveyor and Mars Odyssey data. Any e...

Radiocarbon Date from Dante Outwash Fan, King Valley, Dating Late Wisconsin Glacial Maximum in Western Tasmania

A radiocarbon date of 19 100 ±100 yr BP (SUA 2856) dates the maximum extent ofglacier ice at Lake Beatrice in the upper Dante IJ ,,,,,,I,,>r 1'1 •• ... nrlrrh", Late Wisconsin in western Tasmania. Study ofthe Dante Glacier outwash fan deposits shows that rna'l:'Or'\'vlT(~'r"hr',e'; a lDalaec~soJ and an older outwash formation, and are interstratified with fluvial silts detritus deposited of the...

Radiocarbon Reservoir Age of High Latitude North Atlantic Surface Water During the Last Glacial

The radiocarbon reservoir age of high latitude North Atlantic Ocean surface water is essential for linking the continental and marine climate records, and is expected to vary according to changes in North Atlantic Deep Water (NADW) production. Measurements from this region also provide important input and/or tests of oceanic radiocarbon using 3-D global ocean circulation models. Here, we presen...

The EIRA Database: Glacial to Holocene Radiocarbon Ages from Easter Island's Sedimentary Records