ArticleScientific reports2015
Penetration of biomass-burning emissions from South Asia through the Himalayas: new insights from atmospheric organic acids.
Article in Scientific reports, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers.
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Who cites it
13 citing papers in PubMed.
- Aldehyde cool-flame chemistry explains a missing source of organic acids.Nature communications · 2025Article
- Longer Lifetime of BC from Fossil Fuel Combustion than from Biomass Burning: ΔEnvironmental science & technology · 2025Article
- Noncombustion Emissions of Organic Acids at a Site near Boise, Idaho.ACS ES&T air · 2024Article
- Linking atmospheric pollution to cryospheric change in the Third Pole region: current progress and future prospects.National science review · 2019Article
- Temporal characteristics of aerosol optical properties over the glacier region of northern Pakistan.Journal of atmospheric and solar-terrestrial physics · 2019Article
- Distribution and vertical migration of polycyclic aromatic hydrocarbons in forest soil pits of southeastern Tibet.Environmental geochemistry and health · 2018Article
- How light absorbing properties of organic aerosol modify the Asian summer monsoon rainfall?Journal of geophysical research. Atmospheres : JGR · 2018Article
- Seasonal variations in size distribution, water-soluble ions, and carbon content of size-segregated aerosols over New Delhi.Environmental science and pollution research international · 2018Article
- Dissolved organic carbon in glaciers of the southeastern Tibetan Plateau: Insights into concentrations and possible sources.PloS one · 2018Article
- The online measured black carbon aerosol and source orientations in the Nam Co region, Tibet.Environmental science and pollution research international · 2017Article
- Light absorption by water-soluble organic carbon in atmospheric fine particles in the central Tibetan Plateau.Environmental science and pollution research international · 2017Article
- Light absorption of biomass burning and vehicle emission-sourced carbonaceous aerosols of the Tibetan Plateau.Environmental science and pollution research international · 2017Article
- Challenges and Current Efforts in the Development of Biomarkers for Chronic Inflammatory and Remodeling Conditions of the Lungs.Biomarker insights · 2015Review
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4 authors.
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Abstract
High levels of carbonaceous aerosol exist over South Asia, the area adjacent to the Himalayas and Tibetan Plateau. Little is known about if they can be transported across the Himalayas, and as far inland as the Tibetan Plateau. As important constituents of aerosols, organic acids have been recognized as unique fingerprints to identify the atmospheric process. Here we measured dicarboxylic acids and related compounds in aerosols on the northern slope of Mt. Everest (Qomolangma, 4276 m a.s.l.). Strong positive correlations were observed for dicarboxylic acids with biomass burning tracers, levoglucosan and K(+), demonstrating that this area was evidently affected by biomass burning. The seasonal variation pattern of dicarboxylic acids is consistent with OC and EC, being characterized by a pronounced maximum in the pre-monsoon season. Molecular distributions of dicarboxylic acids and related compounds (malonic acid/succinic acid, maleic acid/fumaric acid) further support this finding. We suggest that the local meteorological conditions and regional atmospheric flow process could facilitate the penetration of the carbonaceous aerosols from South Asia throughout the Himalayas. With the consideration of the darkening force of carbonaceous aerosols, our finding has important implication for this climate-sensitive area, where the glacier melting supplies water for billions of people downstream.
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