Articles | Volume 21, issue 21
https://doi.org/10.5194/acp-21-16453-2021
© Author(s) 2021. 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-21-16453-2021
© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
10 Nov 2021
Research article |
| 10 Nov 2021
| 10 Nov 2021
Identifying source regions of air masses sampled at the tropical high-altitude site of Chacaltaya using WRF-FLEXPART and cluster analysis
Diego Aliaga
Institute for Atmospheric and Earth System Research/Physics,
Faculty of Science, University of Helsinki, Helsinki, 00014, Finland
Victoria A. Sinclair
CORRESPONDING AUTHOR
Institute for Atmospheric and Earth System Research/Physics,
Faculty of Science, University of Helsinki, Helsinki, 00014, Finland
Marcos Andrade
Laboratory for Atmospheric Physics, Institute for Physics
Research,
Universidad Mayor de San Andrés, La Paz, Bolivia
Department of Atmospheric and Oceanic Sciences, University of
Maryland, College Park, MD, USA
Paulo Artaxo
Institute of Physics, University of Sao Paulo, São Paulo, Brazil
Samara Carbone
Agrarian Sciences Institute, Federal University of Uberlândia,
Uberlândia, MG, Brazil
Evgeny Kadantsev
Institute for Atmospheric and Earth System Research/Physics,
Faculty of Science, University of Helsinki, Helsinki, 00014, Finland
Finnish Meteorological Institute, Helsinki, 00101, Finland
Paolo Laj
Institute for Atmospheric and Earth System Research/Physics,
Faculty of Science, University of Helsinki, Helsinki, 00014, Finland
Université Grenoble Alpes, CNRS, IRD, Grenoble INP, Institut des
Géosciences de l'Environnement, Grenoble, France
Alfred Wiedensohler
Leibniz Institute for Tropospheric Research, Permoserstr. 15,
04318 Leipzig, Germany
Radovan Krejci
Department of Environmental Science, Bolin Centre of Climate
Research, Stockholm University, Stockholm 10691, Sweden
Federico Bianchi
Institute for Atmospheric and Earth System Research/Physics,
Faculty of Science, University of Helsinki, Helsinki, 00014, Finland
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Cited
12 citations as recorded by crossref.
- Evidence for Interhemispheric Mercury Exchange in the Pacific Ocean Upper Troposphere A. Koenig et al. 10.1029/2021JD036283
- A full year of aerosol size distribution data from the central Arctic under an extreme positive Arctic Oscillation: insights from the Multidisciplinary drifting Observatory for the Study of Arctic Climate (MOSAiC) expedition M. Boyer et al. 10.5194/acp-23-389-2023
- Analysis of atmospheric particle growth based on vapor concentrations measured at the high-altitude GAW station Chacaltaya in the Bolivian Andes A. Heitto et al. 10.5194/acp-24-1315-2024
- Representing chemical history in ozone time-series predictions – a model experiment study building on the MLAir (v1.5) deep learning framework F. Kleinert et al. 10.5194/gmd-15-8913-2022
- Transport of substantial stratospheric ozone to the surface by a dying typhoon and shallow convection Z. Chen et al. 10.5194/acp-22-8221-2022
- Mercury in the free troposphere and bidirectional atmosphere–vegetation exchanges – insights from Maïdo mountain observatory in the Southern Hemisphere tropics A. Koenig et al. 10.5194/acp-23-1309-2023
- Oxidized organic molecules in the tropical free troposphere over Amazonia Q. Zha et al. 10.1093/nsr/nwad138
- Measurement report: Long-range transport and the fate of dimethyl sulfide oxidation products in the free troposphere derived from observations at the high-altitude research station Chacaltaya (5240 m a.s.l.) in the Bolivian Andes W. Scholz et al. 10.5194/acp-23-895-2023
- Source apportionment study on particulate air pollution in two high-altitude Bolivian cities: La Paz and El Alto V. Mardoñez et al. 10.5194/acp-23-10325-2023
- Measurement report: Molecular-level investigation of atmospheric cluster ions at the tropical high-altitude research station Chacaltaya (5240 m a.s.l.) in the Bolivian Andes Q. Zha et al. 10.5194/acp-23-4559-2023
- Tropical tropospheric aerosol sources and chemical composition observed at high altitude in the Bolivian Andes C. Moreno et al. 10.5194/acp-24-2837-2024
- Variation in chemical composition and volatility of oxygenated organic aerosol in different rural, urban, and mountain environments W. Huang et al. 10.5194/acp-24-2607-2024
12 citations as recorded by crossref.
- Evidence for Interhemispheric Mercury Exchange in the Pacific Ocean Upper Troposphere A. Koenig et al. 10.1029/2021JD036283
- A full year of aerosol size distribution data from the central Arctic under an extreme positive Arctic Oscillation: insights from the Multidisciplinary drifting Observatory for the Study of Arctic Climate (MOSAiC) expedition M. Boyer et al. 10.5194/acp-23-389-2023
- Analysis of atmospheric particle growth based on vapor concentrations measured at the high-altitude GAW station Chacaltaya in the Bolivian Andes A. Heitto et al. 10.5194/acp-24-1315-2024
- Representing chemical history in ozone time-series predictions – a model experiment study building on the MLAir (v1.5) deep learning framework F. Kleinert et al. 10.5194/gmd-15-8913-2022
- Transport of substantial stratospheric ozone to the surface by a dying typhoon and shallow convection Z. Chen et al. 10.5194/acp-22-8221-2022
- Mercury in the free troposphere and bidirectional atmosphere–vegetation exchanges – insights from Maïdo mountain observatory in the Southern Hemisphere tropics A. Koenig et al. 10.5194/acp-23-1309-2023
- Oxidized organic molecules in the tropical free troposphere over Amazonia Q. Zha et al. 10.1093/nsr/nwad138
- Measurement report: Long-range transport and the fate of dimethyl sulfide oxidation products in the free troposphere derived from observations at the high-altitude research station Chacaltaya (5240 m a.s.l.) in the Bolivian Andes W. Scholz et al. 10.5194/acp-23-895-2023
- Source apportionment study on particulate air pollution in two high-altitude Bolivian cities: La Paz and El Alto V. Mardoñez et al. 10.5194/acp-23-10325-2023
- Measurement report: Molecular-level investigation of atmospheric cluster ions at the tropical high-altitude research station Chacaltaya (5240 m a.s.l.) in the Bolivian Andes Q. Zha et al. 10.5194/acp-23-4559-2023
- Tropical tropospheric aerosol sources and chemical composition observed at high altitude in the Bolivian Andes C. Moreno et al. 10.5194/acp-24-2837-2024
- Variation in chemical composition and volatility of oxygenated organic aerosol in different rural, urban, and mountain environments W. Huang et al. 10.5194/acp-24-2607-2024
Latest update: 09 May 2024
Short summary
We investigate the origin of air masses sampled at Mount Chacaltaya, Bolivia. Three-quarters of the measured air has not been influenced by the surface in the previous 4 d. However, it is rare that, at any given time, the sampled air has not been influenced at all by the surface, and often the sampled air has multiple origins. The influence of the surface is more prevalent during day than night. Furthermore, during the 6-month study, one-third of the air masses originated from Amazonia.
We investigate the origin of air masses sampled at Mount Chacaltaya, Bolivia. Three-quarters of...
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