Keir Nichols 

Cosmogenic nuclide measurements in glacial deposits extend our
knowledge of glacier chronologies beyond the observational record. The
short half-life of in situ cosmogenic 14C makes it particularly useful for
studying glacier chronologies, as resulting exposure ages are less
sensitive to nuclide inheritance when compared with more commonly
measured, long-lived nuclides. An increasing number of laboratories
using an automated process to extract carbon from quartz has led to in
situ 14C measurements in Antarctic samples at an accelerating rate over
the past decade, shedding light on deglaciation in Antarctica. In situ 14C
has had the greatest impact in the Weddell Sea Embayment, where
inferences on the thickness of ice and timing of deglaciation were limited
by inheritance in other cosmogenic nuclide systems. Future subglacial
measurements of the nuclide hold much potential as they can provide
direct evidence of proposed Holocene thinning and subsequent rethickening
of parts of the Antarctic ice sheets.