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This special issue of Chinese Science Bulletin arose from a symposium entitled 揂brupt EnvironmentalChanges in Arid Asia——History and Mechanisms?RACHAD 2001) held at Lanzhou University in October 2001. This international event was attended by over 70 s
This special issue of Chinese Science Bulletin arose from a symposium 揂 brupt Environmental Circles in Arid Asia - History and Mechanisms? RACHAD 2001) held at Lanzhou University in October 2001. This international event was attended by over 70 s