NationalInstituteofPolarResearch;
Kaga1-9-10;
Itabashi-ku;
Tokyo173-8515;
Japan;
KitamiInstituteofTechnology;
Koencho165;
Kitami;
Hokkaido090-8507;
Japan;
InstituteofLowTemperatureScience;
HokkaidoUniversity;
N19WS;
Kita-ku;
Sapporo;
Hokkaido060-0819;
Japan;
冰心; 云状层; 物理结构; 激光断层扫描; 测量技术; 冰川地层学; 比较研究;