1. Qin D H, Xiao C D, Ding Y J, et al. Progress on cryospheric studies by international and Chinese communities and perspectives (in Chinese). J Appl Meteoro Sci, 2006, 6: 649–656
2. Wang C H, Dong W J, Wei Z G. The development of study on the soil freezing-thaw progress in land surface model (in Chinese). Adv Earth Sci, 2002, 17: 44–52
3. Wang C H, Dong W J, Wei Z G. Study on relationship between the frozen-thaw progress in Qinghai-Xizang Plateau and circulation in East-Asia (in Chinese). Chinese J Geophys, 2003, 46: 310–312
4. Jin H J, Li S X, Wang S L, et al. Impacts of climatic change on permafrost and cold regions environments in China (in Chinese). Acta Geogr Sin, 2000, 55: 151–173
5. Wang S L, Zhao X F, Guo D X, et al. Response of permafrost to climate change in the Qinghai-Xizang Plateau (in Chinese). J Glaciol Geocryol, 1996, 18: 101–110