作者机构:[1]Key Laboratory of Geo-detection (China University of Geosciences, Beijing), Ministry of Education, Beijing 100083, China., [2]Institute of Geology and Geophysics, Chinese Academy of Sciences, Beijing 100029, China.
相关基金:This work is supported by the National Natural Science Foundation of China (Nos. 41104083 and 40804024) and the Fundamental Research Funds for the Central Universities (No, 2011YYL022).