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机译:Dune ages in the sand deserts of the southern Sahara and Sahel
Birkbeck Univ London, Dept Earth & Planetary Sci, Malet St, London WC1E 7HX, England;
Royal Holloway Univ London, Dept Geog, Egham TW20 OEX, Surrey, England;
Holocene; Desert; Climate; Luminescence; Chronology; Africa;