^○Tingting Ke¹, Yilei Xu¹, Shaopeng Huang^1,2, Xiaoyin Tang¹, Wentao Duan¹ (1.Institute of Global Environmental Change, University of Xi'an Jiaotong University, Xi'an, Shaanxi, China, 2.Department of Earth and Environmental Sciences, University of Michigan, Ann Arbor, Michigan, USA)

^○Petr Dedecek¹, Vladimir Cermak¹, Jan Safanda¹, Tomas Fischer², Antonin Tym² (1.Institute of Geophysic ASCR, Prague, Czech Republic, 2.Faculty of Science, Charles University, Prague, Czech Republic)