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When did playas form in western New South Wales during the last 32,000 years?
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In western New South Wales, Australia, the development of playas within the last 32,000 years is linked to fluctuating lake levels and climatic shifts. While numerous small lakes reached their maximum extent 32,000 years ago, they began to fall to low levels starting approximately 26,000 years ago. Playas were specifically formed roughly 16,000 years ago, a period that also saw a peak in eolian (wind-driven) activity.1
Following this, high lake levels returned between approximately 9,000 and 5,000 years ago, after which playas were reestablished.1