State;
Key;
Laboratory;
of;
Cryospheric;
Sciences,;
Cold;
and;
Arid;
Regions;
Environmental;
and;
Engineering;
Research;
Institute,;
Chinese;
Academy;
of;
Sciences,;
Lanzhou,;
Gansu;
730000,;
China;
冰川; 环境记录; 青藏高原; 雪坑; 正构烷烃; 多环芳烃; 物价指数; 化学成分;