Articles | Volume 17, issue 20
https://doi.org/10.5194/acp-17-12617-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.
the Creative Commons Attribution 3.0 License.
https://doi.org/10.5194/acp-17-12617-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.
the Creative Commons Attribution 3.0 License.
Research article
| 
24 Oct 2017
Research article |
| 24 Oct 2017
Wintertime aerosol optical and radiative properties in the Kathmandu Valley during the SusKat-ABC field campaign
Chaeyoon Cho
School of Earth and Environmental Science, Seoul National University, 08826 Seoul, South Korea
School of Earth and Environmental Science, Seoul National University, 08826 Seoul, South Korea
Maheswar Rupakheti
Institute for Advanced Sustainability Studies, Berliner Str. 130, 14467 Potsdam, Germany
Jin-Soo Park
National Institute of Environmental Research, 22689 Incheon, South Korea
Arnico Panday
International Centre for Integrated Mountain Development, 44700 Kathmandu, Nepal
Soon-Chang Yoon
School of Earth and Environmental Science, Seoul National University, 08826 Seoul, South Korea
Ji-Hyoung Kim
School of Earth and Environmental Science, Seoul National University, 08826 Seoul, South Korea
Hyunjae Kim
National Institute of Environmental Research, 22689 Incheon, South Korea
Haeun Jeon
National Institute of Environmental Research, 22689 Incheon, South Korea
Minyoung Sung
National Institute of Environmental Research, 22689 Incheon, South Korea
Bong Mann Kim
iGBu, Corona, CA 92882, USA
Seungkyu K. Hong
School of Earth and Environmental Science, Seoul National University, 08826 Seoul, South Korea
National Institute of Meteorological Sciences, 63568 Seogwipo, South Korea
Rokjin J. Park
School of Earth and Environmental Science, Seoul National University, 08826 Seoul, South Korea
Dipesh Rupakheti
Key Laboratory of Tibetan Environment Changes and Land Surface Processes, Institute of Tibetan Plateau Research, Chinese Academy of Sciences, Beijing, 100101, China
Khadak Singh Mahata
Institute for Advanced Sustainability Studies, Berliner Str. 130, 14467 Potsdam, Germany
Puppala Siva Praveen
International Centre for Integrated Mountain Development, 44700 Kathmandu, Nepal
Mark G. Lawrence
Institute for Advanced Sustainability Studies, Berliner Str. 130, 14467 Potsdam, Germany
Brent Holben
NASA Goddard Space Flight Center, Greenbelt, MD 20771, USA
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Cited
20 citations as recorded by crossref.
- Aerosols heat up the Himalayan climate S. Ramachandran et al. 10.1016/j.scitotenv.2023.164733
- 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
- An overview of airborne measurement in Nepal – Part 1: Vertical profile of aerosol size, number, spectral absorption, and meteorology A. Singh et al. 10.5194/acp-19-245-2019
- Inter-annual and seasonal variations in columnar aerosol characteristics and radiative effects over the Pokhara Valley in the Himalayan foothills – Composition, radiative forcing, and atmospheric heating S. Ramachandran & M. Rupakheti 10.1016/j.envpol.2020.114799
- Aerosol vertical distribution and sources estimation at a site of the Yangtze River Delta region of China W. Fan et al. 10.1016/j.atmosres.2018.11.002
- Measurement and Modelling of Particulate Pollution over Kashmir Himalaya, India M. Bhat et al. 10.1007/s11270-021-05062-x
- Inter-annual and seasonal variations in optical and physical characteristics of columnar aerosols over the Pokhara Valley in the Himalayan foothills S. Ramachandran & M. Rupakheti 10.1016/j.atmosres.2020.105254
- Estimating contributions of black and brown carbon to solar absorption from aethalometer and AERONET measurements in the highly polluted Kathmandu Valley, Nepal S. Kim et al. 10.1016/j.atmosres.2020.105164
- Pre-monsoon submicron aerosol composition and source contribution in the Kathmandu Valley, Nepal B. Werden et al. 10.1039/D2EA00008C
- Contrasting nature of aerosols over South Asian cities and its surrounding environment A. Pandey et al. 10.1016/j.envpol.2024.124622
- Light absorption properties of elemental carbon (EC) and water-soluble brown carbon (WS–BrC) in the Kathmandu Valley, Nepal: A 5-year study P. Chen et al. 10.1016/j.envpol.2020.114239
- Detection of Upper and Lower Planetary-Boundary Layer Curves and Estimation of Their Heights from Ceilometer Observations under All-Weather Conditions: Case of Athens, Greece H. Kambezidis et al. 10.3390/rs13112175
- Aerosol-induced atmospheric heating rate decreases over South and East Asia as a result of changing content and composition S. Ramachandran et al. 10.1038/s41598-020-76936-z
- Trends in physical, optical and chemical columnar aerosol characteristics and radiative effects over South and East Asia: Satellite and ground-based observations S. Ramachandran & M. Rupakheti 10.1016/j.gr.2021.09.016
- Acute health effects from exposure to indoor ultrafine particles—A randomized controlled crossover study among young mild asthmatics K. Laursen et al. 10.1111/ina.12902
- Black carbon dominates the aerosol absorption over the Indo-Gangetic Plain and the Himalayan foothills S. Ramachandran et al. 10.1016/j.envint.2020.105814
- Year-round aerosol characteristics and radiative effects in the South Asian pollution outflow over a background site in the Maldives S. Ramachandran & M. Rupakheti 10.1016/j.atmosenv.2020.117813
- Columnar aerosol properties and radiative effects over Dushanbe, Tajikistan in Central Asia D. Rupakheti et al. 10.1016/j.envpol.2020.114872
- Identification of absorbing aerosol types at a site in the northern edge of Indo-Gangetic Plain and a polluted valley in the foothills of the central Himalayas D. Rupakheti et al. 10.1016/j.atmosres.2019.03.003
- Aerosol mass scattering efficiencies and single scattering albedo under high mass loading in Chiang Mai valley, Thailand S. Pani et al. 10.1016/j.atmosenv.2023.119867
20 citations as recorded by crossref.
- Aerosols heat up the Himalayan climate S. Ramachandran et al. 10.1016/j.scitotenv.2023.164733
- 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
- An overview of airborne measurement in Nepal – Part 1: Vertical profile of aerosol size, number, spectral absorption, and meteorology A. Singh et al. 10.5194/acp-19-245-2019
- Inter-annual and seasonal variations in columnar aerosol characteristics and radiative effects over the Pokhara Valley in the Himalayan foothills – Composition, radiative forcing, and atmospheric heating S. Ramachandran & M. Rupakheti 10.1016/j.envpol.2020.114799
- Aerosol vertical distribution and sources estimation at a site of the Yangtze River Delta region of China W. Fan et al. 10.1016/j.atmosres.2018.11.002
- Measurement and Modelling of Particulate Pollution over Kashmir Himalaya, India M. Bhat et al. 10.1007/s11270-021-05062-x
- Inter-annual and seasonal variations in optical and physical characteristics of columnar aerosols over the Pokhara Valley in the Himalayan foothills S. Ramachandran & M. Rupakheti 10.1016/j.atmosres.2020.105254
- Estimating contributions of black and brown carbon to solar absorption from aethalometer and AERONET measurements in the highly polluted Kathmandu Valley, Nepal S. Kim et al. 10.1016/j.atmosres.2020.105164
- Pre-monsoon submicron aerosol composition and source contribution in the Kathmandu Valley, Nepal B. Werden et al. 10.1039/D2EA00008C
- Contrasting nature of aerosols over South Asian cities and its surrounding environment A. Pandey et al. 10.1016/j.envpol.2024.124622
- Light absorption properties of elemental carbon (EC) and water-soluble brown carbon (WS–BrC) in the Kathmandu Valley, Nepal: A 5-year study P. Chen et al. 10.1016/j.envpol.2020.114239
- Detection of Upper and Lower Planetary-Boundary Layer Curves and Estimation of Their Heights from Ceilometer Observations under All-Weather Conditions: Case of Athens, Greece H. Kambezidis et al. 10.3390/rs13112175
- Aerosol-induced atmospheric heating rate decreases over South and East Asia as a result of changing content and composition S. Ramachandran et al. 10.1038/s41598-020-76936-z
- Trends in physical, optical and chemical columnar aerosol characteristics and radiative effects over South and East Asia: Satellite and ground-based observations S. Ramachandran & M. Rupakheti 10.1016/j.gr.2021.09.016
- Acute health effects from exposure to indoor ultrafine particles—A randomized controlled crossover study among young mild asthmatics K. Laursen et al. 10.1111/ina.12902
- Black carbon dominates the aerosol absorption over the Indo-Gangetic Plain and the Himalayan foothills S. Ramachandran et al. 10.1016/j.envint.2020.105814
- Year-round aerosol characteristics and radiative effects in the South Asian pollution outflow over a background site in the Maldives S. Ramachandran & M. Rupakheti 10.1016/j.atmosenv.2020.117813
- Columnar aerosol properties and radiative effects over Dushanbe, Tajikistan in Central Asia D. Rupakheti et al. 10.1016/j.envpol.2020.114872
- Identification of absorbing aerosol types at a site in the northern edge of Indo-Gangetic Plain and a polluted valley in the foothills of the central Himalayas D. Rupakheti et al. 10.1016/j.atmosres.2019.03.003
- Aerosol mass scattering efficiencies and single scattering albedo under high mass loading in Chiang Mai valley, Thailand S. Pani et al. 10.1016/j.atmosenv.2023.119867
Discussed (final revised paper)
Discussed (preprint)
Latest update: 20 Nov 2024
Short summary
We investigated the optical and chemical properties and direct radiative effects of aerosols in the Kathmandu Valley. We concluded that the ratio of light-absorbing to scattering aerosols as well as the concentration of light-absorbing aerosols is much higher at Kathmandu than other comparable regions, and it contributes to a great atmospheric absorption efficiency. This study provides unprecedented insights into aerosol optical properties and their radiative forcings in the Kathmandu Valley.
We investigated the optical and chemical properties and direct radiative effects of aerosols in...
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