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This stabilization is understood to reflect a transition to a warmer, wetter, and less windy climate that generally persisted until today.

The OSL ages, coupled with a compilation of regional paleoclimatic data, corroborate and reinforce the previously proposed Mid-Holocene Liavliakan phase, known to reflect a warmer, wetter, and less windy climate that persists until today and resulted in dune stabilization around the Mid-Holocene.

Using an iterative modelling approach, we translate spatial uncertainty of historical maps into temporal uncertainty of channel position required for Bayesian deposition modelling.

The School of Geography and the Environment, in association with the RLAHA Luminescence Dating Laboratory, Research Laboratory for Archaeology and the History of Art, houses a state of the art luminescence dating facility: the Oxford Luminescence Dating Laboratory (OLD).

In addition our researchers continuously engage in efforts to improve and develop the methodology and to further advance our knowledge on the fundamental physical mechanisms underlying the dating method.

The OLD Laboratory also provides a commercial luminescence dating service and works closely with clients in industry, archaeological organizations, environmental institutes and other academic groups.

Optically stimulated luminescence (OSL) is used to determine the time elapsed since quartz grains were last exposed to sunlight, before they were buried and the dune stabilized.Further to this, OSL dating provides the chronological link between the landscape/surface processes and human activity, which is inferred from the archaeological evidence within the sediment.No other dating technique of this age range (100 yrs-200 ka) provides this intimate connection between the sedimentary processes and the evidence for human behavior.Many sand seas have been dated extensively by luminescence, e.g., the Kalahari, Namib the Australian linear dunes and the northwestern Negev dune field, Israel.However, no ages were published so far from the central Asian sand seas.

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