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Xing et al. 2004
Xing, G., Zhu, J., Xiong, Z. and Yamasaki, S. (2004). Ag, Ta, Ru, and Ir enrichment in surface soil: Evidence for land pollution of heavy metal from atmospheric deposition. Global Biogeochemical Cycles 18: doi: 10.1029/2003GB002123. issn: 0886-6236.

No observation has so far been reported that heavy metal elements from atmospheric deposition were accumulated widely in the surface soil layers. In this research, 28 soil profiles from different climate zones and agro-ecosystems in China were studied, and obvious enrichment of Ag, Ta, Ru, and Ir in the surface soils was discovered. It indicates that pollution of heavy metals emitted into the atmosphere from industrial activities is no longer limited to soils in the vicinity of power, metallurgic, metalworking, and machine-making industries, and they may settle down extensively on land besides cities and industrial regions.

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Abstract

Keywords
Atmospheric Composition and Structure, Pollution—urban and regional, Atmospheric Composition and Structure, Biosphere/atmosphere interactions, atmospheric deposition, heavy metal contaminant, land pollution
Journal
Global Biogeochemical Cycles
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Publisher
American Geophysical Union
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