Articles | Volume 19, issue 5
https://doi.org/10.5194/acp-19-2725-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/acp-19-2725-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Molecular characterization of organic aerosols in the Kathmandu Valley, Nepal: insights into primary and secondary sources
Key Laboratory of Tibetan Environment Changes and Land Surface
Processes, Institute of Tibetan Plateau Research, Chinese Academy of Sciences, Beijing 100101, China
University of Chinese Academy of Sciences, Beijing 100039, China
Shichang Kang
State Key Laboratory of Cryospheric
Science, Northwest Institute of Eco-Environment and Resources, Chinese Academy of Sciences, Lanzhou
730000, China
CAS Center for Excellence in Tibetan Plateau Earth Sciences, Beijing
100101, China
Maheswar Rupakheti
Institute for Advanced Sustainability Studies
(IASS), Potsdam 14467, Germany
Himalayan Sustainability Institute (HIMSI), Kathmandu, Nepal
Qianggong Zhang
Key Laboratory of Tibetan Environment Changes and Land Surface
Processes, Institute of Tibetan Plateau Research, Chinese Academy of Sciences, Beijing 100101, China
CAS Center for Excellence in Tibetan Plateau Earth Sciences, Beijing
100101, China
Lekhendra Tripathee
State Key Laboratory of Cryospheric
Science, Northwest Institute of Eco-Environment and Resources, Chinese Academy of Sciences, Lanzhou
730000, China
Junming Guo
State Key Laboratory of Cryospheric
Science, Northwest Institute of Eco-Environment and Resources, Chinese Academy of Sciences, Lanzhou
730000, China
Pengfei Chen
State Key Laboratory of Cryospheric
Science, Northwest Institute of Eco-Environment and Resources, Chinese Academy of Sciences, Lanzhou
730000, China
Dipesh Rupakheti
State Key Laboratory of Cryospheric
Science, Northwest Institute of Eco-Environment and Resources, Chinese Academy of Sciences, Lanzhou
730000, China
Arnico K. Panday
International Centre for Integrated Mountain Development (ICIMOD),
Khumaltar, Lalitpur, Nepal
Mark G. Lawrence
Institute for Advanced Sustainability Studies
(IASS), Potsdam 14467, Germany
Kimitaka Kawamura
Chubu Institute for Advanced Studies, Chubu University, Kasugai
487-8501, Japan
Key Laboratory of Tibetan Environment Changes and Land Surface
Processes, Institute of Tibetan Plateau Research, Chinese Academy of Sciences, Beijing 100101, China
CAS Center for Excellence in Tibetan Plateau Earth Sciences, Beijing
100101, China
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40 citations as recorded by crossref.
- Organic aerosols in the inland Tibetan Plateau: New insights from molecular tracers X. Wan et al. 10.1016/j.scitotenv.2023.163797
- Oxidative potential of solvent-extractable organic matter of ambient total suspended particulate in Bangkok, Thailand J. Wang et al. 10.1039/D1EM00414J
- Arabitol, mannitol, and glucose as tracers of primary biogenic organic aerosol: the influence of environmental factors on ambient air concentrations and spatial distribution over France A. Samaké et al. 10.5194/acp-19-11013-2019
- Organic aerosol compositions and source estimation by molecular tracers in Dushanbe, Tajikistan P. Chen et al. 10.1016/j.envpol.2022.119055
- Pre-monsoon submicron aerosol composition and source contribution in the Kathmandu Valley, Nepal B. Werden et al. 10.1039/D2EA00008C
- A comparative study of health risks of selected potentially toxic metals in household dust from different socio-economical houses of Dhanbad city, India S. Kumar & M. Jain 10.1007/s11869-024-01527-0
- Temporal trends of the concentration and sources of secondary organic aerosols in PM2.5 in Shanghai during 2012 and 2018 Y. Zhong et al. 10.1016/j.atmosenv.2021.118596
- Light absorption, fluorescence properties and sources of brown carbon aerosols in the Southeast Tibetan Plateau G. Wu et al. 10.1016/j.envpol.2019.113616
- Carbonaceous aerosol characteristics on the Third Pole: A primary study based on the Atmospheric Pollution and Cryospheric Change (APCC) network P. Chen et al. 10.1016/j.envpol.2019.06.112
- Nitrogenous and carbonaceous aerosols in PM2.5 and TSP during pre-monsoon: Characteristics and sources in the highly polluted mountain valley H. Bhattarai et al. 10.1016/j.jes.2021.06.018
- Molecular characterization of organic aerosols over the Tibetan Plateau: Spatiotemporal variations, sources, and potential implications H. Zheng et al. 10.1016/j.envpol.2023.122832
- Particulate matter variability in Kathmandu based on in-situ measurements, remote sensing, and reanalysis data S. Becker et al. 10.1016/j.atmosres.2021.105623
- Impacts of severe residential wood burning on atmospheric processing, water-soluble organic aerosol and light absorption, in an inland city of Southeastern Europe D. Kaskaoutis et al. 10.1016/j.atmosenv.2022.119139
- Secondary organic aerosols in PM2.5 on a coastal island in southeastern China: Impact of atmospheric process and biomass burning N. Chen et al. 10.1016/j.atmosenv.2023.119841
- Carbonaceous Aerosols over Lachung in the Eastern Himalayas: Primary Sources and Secondary Formation of Organic Aerosols in a Remote High-Altitude Environment B. Arun et al. 10.1021/acsearthspacechem.1c00190
- Concentration, seasonality, and sources of trace elements in atmospheric aerosols from Godavari in the southern Himalayas B. Rawat et al. 10.1016/j.envpol.2024.123359
- Biological Aerosol Particles in Polluted Regions W. Hu et al. 10.1007/s40726-020-00138-4
- Effect of lockdown and associated mobility changes amid COVID-19 on air quality in the Kathmandu Valley, Nepal R. Bhandari et al. 10.1007/s10661-023-11949-5
- Measurement report: Optical properties and sources of water-soluble brown carbon in Tianjin, North China – insights from organic molecular compositions J. Deng et al. 10.5194/acp-22-6449-2022
- Source apportionment of fine particulate matter in middle Indo-Gangetic Plain by coupled radiocarbon –molecular organic tracer method N. Linthoingambi Devi et al. 10.1016/j.apr.2024.102231
- Characterization of airborne dust samples collected from core areas of Kathmandu Valley B. Neupane et al. 10.1016/j.heliyon.2020.e03791
- Submicron Aerosol Composition and Source Contribution across the Kathmandu Valley, Nepal, in Winter B. Werden et al. 10.1021/acsearthspacechem.2c00226
- Particulate bound polycyclic aromatic hydrocarbons over Dhauladhar region of the north-western Himalayas D. Kaushal et al. 10.1016/j.chemosphere.2020.128298
- Ambient air quality in the Kathmandu Valley, Nepal, during the pre-monsoon: concentrations and sources of particulate matter and trace gases M. Islam et al. 10.5194/acp-20-2927-2020
- Molecular Characterization of Water-Soluble Brown Carbon Chromophores in Snowpack from Northern Xinjiang, China Y. Zhou et al. 10.1021/acs.est.1c07972
- Impact of biomass burning on a metropolitan area in the Amazon during the 2015 El Niño: The enhancement of carbon monoxide and levoglucosan concentrations I. Ribeiro et al. 10.1016/j.envpol.2020.114029
- Pristine atmospheric condition over the Third Pole: An insight from levoglucosan records C. Xu & C. You 10.1016/j.gsf.2020.09.003
- Assessment of molecular diversity of lignin products by various ionization techniques and high-resolution mass spectrometry Y. Qi et al. 10.1016/j.scitotenv.2020.136573
- Characteristics of carbonaceous aerosols derived from long-term high-resolution measurements at a high-altitude site in the central Himalayas: radiative forcing estimates and role of meteorology and biomass burning P. Srivastava & M. Naja 10.1007/s11356-020-11579-1
- Regional haze formation enhanced the atmospheric pollution levels in the Yangtze River Delta region, China: Implications for anthropogenic sources and secondary aerosol formation M. Haque et al. 10.1016/j.scitotenv.2020.138013
- Characteristics and Sources of Organic Aerosol in PM2.5 at Yangbajing in Tibetan Plateau Y. Xiang et al. 10.1016/j.atmosenv.2024.120662
- East Asian Continental Outflow and Marine Emissions Conjointly Impact on Aerosol Saccharides Over East China Sea: Seasonality and Size Distribution L. Wang et al. 10.2139/ssrn.4166602
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- A review of secondary organic aerosols formation focusing on organosulfates and organic nitrates W. Fan et al. 10.1016/j.jhazmat.2022.128406
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Discussed (final revised paper)
Discussed (preprint)
Latest update: 05 Oct 2024
Short summary
The sources of primary and secondary aerosols in the Hindu Kush–Himalayan–Tibetan Plateau region are not well known. Organic molecular tracers are useful for aerosol source apportionment. The characterization of molecular tracers were first systemically investigated and the contribution from primary and secondary sources to carbonaceous aerosols was estimated in the Kathmandu Valley. Our results demonstrate that biomass burning contributed a significant fraction to OC in the Kathmandu Valley.
The sources of primary and secondary aerosols in the Hindu Kush–Himalayan–Tibetan Plateau region...
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