Onset of Asian desertification by 22 Myr ago inferred from loess deposits in China
The initial desertification in the Asian interior is thought to be one of the most prominent climate changes in the Northern Hemisphere during the Cenozoic era 1 , 2 , 3 , 4 . But the dating of this transition is uncertain, partly because desert sediments are usually scattered, discontinuous and dif...
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Veröffentlicht in: | Nature (London) 2002-03, Vol.416 (6877), p.159-163 |
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