期刊
CHINESE SCIENCE BULLETIN
卷 54, 期 10, 页码 1781-1785出版社
SCIENCE PRESS
DOI: 10.1007/s11434-009-0050-5
关键词
Mt. Qomolangma; East Rongbuk ice core; particle; Sr-Nd-Pb isotopes
资金
- National Basic Research Program of China [2007CB411501]
- National Natural Science Foundation of China [90411003]
- Chinese Academy of Sciences [KZCX3-SW-344]
Sr-Nd-Pb isotopic tracer was applied, for the first time, to identifying the sources of the particles in the East Rongbuk ice core from Mt. Qomalangma (Everest). The results show that the particles in the dirty layers originate mainly from local sources, while the particles in the non-dirty layers are consistent with the features of dust from the arid regions in northwestern India. The HYSPLIT model shows that the air trajectory goes first through northwestern India before reaching the drilling site of ice core when dust storms occur in northwestern India, confirming northwestern India as a possible source of dust in the East Rongbuk ice core.
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