Name：Wu Qingbai Doctoral Advisor, Professor, Cold and Arid Regions Environmental and Engineering Research Institute, Chinese Academy of Sciences (2002-present). Current Research: 1. Response of permafrost and active layer thickness to climate change and engineering activities. 2. Heat and Water process of active layer under different ecosystem. 3. The relations between permafrost and gas hydrate formation. 4. Green gas from Thermokarst lake. Major Published Works 1. Interaction between permafrost and Qinghai-Xizang Railway and their environmental effect. Knowledge Innovation Key Project of the Chinese Academy of Sciences, Co-Chief Scientist. 2. Prediction research of permafrost change trend along Qinghai-Xizang Railway， PI, Project of the Ministry of Railways. 3. The relationships among embankment stability, geology and climate in permafrost regions. PI, Western project of the Ministry of Transport. 4. Formation process of freezing and thawing hazards and their effect on Engineering along Qinghai-Xizang Railway, PI, National Nature Science Foundation of China Outstanding Youth Foundation Project. 5. Dynamic change of engineering stability of Qinghai-Xizang Railway and Research of constructional technology of high-grade highway. The Western Project Program of the Chinese Academy of Sciences,Co-PI.