Carbonaceous particles in the atmosphere and precipitation of the Nam Co region, central Tibet.

A continuous air and precipitation sampling for carbonaceous particles was conducted in a field observatory beside Nam Co, Central Tibetan Plateau during July of 2006 through January of 2007. Organic carbon (OC) was the dominant composition of the carbonaceous particles both in the atmosphere (1660 ng/m3) and precipitation (476 ng/g) in this area, while the average elemental carbon (BC) concentrations in the atmosphere and precipitation were only 82 ng/m3 and 8 ng/g, respectively. Very high OC/BC ratio suggested local secondary organic carbon could be a dominant contribution to OC over the Nam Co region, while BC could be mainly originated from Southern Asia, as indicated by trajectory analysis and aerosol optical depth. Comparison between the BC concentrations measured in Lhasa, those at “Nepal Climate Observatory at Pyramid (NCO-P)” site on the southern slope of the Himalayas, and Nam Co suggested BC in the Nam Co region reflected a background with weak anthropogenic disturbances and the emissions from Lhasa might have little impact on the atmospheric environment here, while the pollutants from the Indo-Gangetic Basin of Southern Asia could be transported to the Nam Co region by both the summer monsoon and the westerly.
 
Citation proposal
Paolo Bonasoni (Institute of Atmospheric Sciences and Climate (ISAC) - CNR) - Jing Ming (State Key Laboratory of Cryospheric Sciences, Cold and Arid Region Environmental and Engineering Research Institute, Chinese Academy of Science) - Cunde Xiao (State Key Laboratory of Cryospheric Sciences, Cold and Arid Region Environmental and Engineering Research Institute, Chinese Academy of Sciences,) - Junying Sun (Laboratory for Atmospheric Chemistry, Centre for Atmosphere Watch & Services, China Meteorological Administration) - Shichang Kang (Institute of Tibetan Plateau Research, Chinese Academy of Sciences,) (2010) . Carbonaceous particles in the atmosphere and precipitation of the Nam Co region, central Tibet.. https://geoportal.mountaingenius.org/geonetwork/srv/api/records/64880888-1b49-45ba-aee9-b84647593b89
 

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64880888-1b49-45ba-aee9-b84647593b89   XML
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eng
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  • Climatology, meteorology, atmosphere
  • Environment
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  • SHARE
Keywords ( Theme )
  • Carbonaceous particles , precipitation , elemental carbon , organic carbon
Keywords ( Place )
  • Nam Co , Tibetan Plateau
 
 

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2010-11-13T00:00:00
 

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"Carbonaceous particles in the atmosphere and precipitation of the Nam Co region, central Tibet".

Journal of Environmental Sciences Volume 22, Issue 11, November 2010, Pages 1748-1756

 

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Institute of Atmospheric Sciences and Climate (ISAC) - CNR
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p.bonasoni@isac.cnr.it
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State Key Laboratory of Cryospheric Sciences, Cold and Arid Region Environmental and Engineering Research Institute, Chinese Academy of Science
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State Key Laboratory of Cryospheric Sciences, Cold and Arid Region Environmental and Engineering Research Institute, Chinese Academy of Sciences,
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Laboratory for Atmospheric Chemistry, Centre for Atmosphere Watch & Services, China Meteorological Administration
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Institute of Tibetan Plateau Research, Chinese Academy of Sciences,
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Institute of Atmospheric Sciences and Climate (ISAC) - CNR
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p.bonasoni@isac.cnr.it
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State Key Laboratory of Cryospheric Sciences, Cold and Arid Region Environmental and Engineering Research Institute, Chinese Academy of Science
Email
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State Key Laboratory of Cryospheric Sciences, Cold and Arid Region Environmental and Engineering Research Institute, Chinese Academy of Sciences,
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Laboratory for Atmospheric Chemistry, Centre for Atmosphere Watch & Services, China Meteorological Administration
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Institute of Tibetan Plateau Research, Chinese Academy of Sciences,
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Ev-K2-CNR
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metadata@evk2cnr.org
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2011-11-01T16:08:22
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eng
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UTF8
 
 

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