Asian Conference on Permafrost Lanzhou, China August 7- 9, 2006 and Field Excursion along the Qinghai-Tibet Railway August 10-16, 2006 Co-Sponsored by:

Cold and Arid Regions Environmental and Engineering Research Institute (CAREERI)

State Key Laboratory of Frozen Soils Engineering

Chinese Academy of Sciences (CAS)

International Permafrost Association

Chinese Geographical Society