Article

Tracing the sources of particles in the East Rongbuk ice core from Mt. Qomolangma

Chinese Science Bulletin (impact factor: 1.32). 04/2012; 54(10):1781-1785. DOI:10.1007/s11434-009-0050-5 pp.1781-1785

ABSTRACT 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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Keywords

air trajectory
 
arid regions
 
dirty layers
 
dust storms
 
East Rongbuk ice core
 
HYSPLIT model
 
non-dirty layers
 
particles
 
possible source
 
Sr-Nd-Pb isotopic tracer