Articles | Volume 24, issue 20
https://doi.org/10.5194/acp-24-12055-2024
© Author(s) 2024. 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-24-12055-2024
© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
28 Oct 2024
Research article |
| 28 Oct 2024
| 28 Oct 2024
Atmospheric black carbon in the metropolitan area of La Paz and El Alto, Bolivia: concentration levels and emission sources
Valeria Mardoñez-Balderrama
CORRESPONDING AUTHOR
Institut des Géosciences de l'Environnement, Université Grenoble Alpes, CNRS, INRAE, IRD, Grenoble INP, 38000 Grenoble, France
Laboratorio de Física de la Atmósfera, Instituto de Investigaciones Físicas, Universidad Mayor de San Andrés, La Paz, Bolivia
now at: Institute of Atmospheric Sciences and Climate, National Research Council of Italy (CNR-ISAC), 40129 Bologna, Italy
Griša Močnik
Center for Atmospheric Research, University of Nova Gorica, 5270 Ajdovščina, Slovenia
Haze Instruments d.o.o., 1000 Ljubljana, Slovenia
Jožef Stefan Institute, 1000 Ljubljana, Slovenia
Marco Pandolfi
Institute of Environmental Assessment and Water Research (IDAEA-CSIC), Barcelona, 08034, Spain
Robin L. Modini
PSI Center for Energy and Environmental Sciences, 5232 Villigen PSI, Switzerland
Fernando Velarde
Laboratorio de Física de la Atmósfera, Instituto de Investigaciones Físicas, Universidad Mayor de San Andrés, La Paz, Bolivia
Laura Renzi
PSI Center for Energy and Environmental Sciences, 5232 Villigen PSI, Switzerland
Institute of Atmospheric Sciences and Climate, National Research Council of Italy (CNR-ISAC), 40129 Bologna, Italy
Angela Marinoni
Institute of Atmospheric Sciences and Climate, National Research Council of Italy (CNR-ISAC), 40129 Bologna, Italy
Jean-Luc Jaffrezo
Institut des Géosciences de l'Environnement, Université Grenoble Alpes, CNRS, INRAE, IRD, Grenoble INP, 38000 Grenoble, France
Isabel Moreno R.
Laboratorio de Física de la Atmósfera, Instituto de Investigaciones Físicas, Universidad Mayor de San Andrés, La Paz, Bolivia
Diego Aliaga
Institute for Atmospheric and Earth System Research (INAR), and Department of Physics, University of Helsinki, 00014 Helsinki, Finland
Federico Bianchi
Institute for Atmospheric and Earth System Research (INAR), and Department of Physics, University of Helsinki, 00014 Helsinki, Finland
Claudia Mohr
PSI Center for Energy and Environmental Sciences, 5232 Villigen PSI, Switzerland
Department of Environmental Science, Stockholm University, 10691 Stockholm, Sweden
Department of Environmental Systems Science, ETH Zurich, 8092 Zurich, Switzerland
Bolin Centre for Climate Research, Stockholm University, 10691 Stockholm, Sweden
Martin Gysel-Beer
PSI Center for Energy and Environmental Sciences, 5232 Villigen PSI, Switzerland
Patrick Ginot
Institut des Géosciences de l'Environnement, Université Grenoble Alpes, CNRS, INRAE, IRD, Grenoble INP, 38000 Grenoble, France
Radovan Krejci
Department of Environmental Science, Stockholm University, 10691 Stockholm, Sweden
Bolin Centre for Climate Research, Stockholm University, 10691 Stockholm, Sweden
Alfred Wiedensohler
Leibniz Institute for Tropospheric Research (TROPOS), 04318 Leipzig, Germany
Gaëlle Uzu
Institut des Géosciences de l'Environnement, Université Grenoble Alpes, CNRS, INRAE, IRD, Grenoble INP, 38000 Grenoble, France
Marcos Andrade
Laboratorio de Física de la Atmósfera, Instituto de Investigaciones Físicas, Universidad Mayor de San Andrés, La Paz, Bolivia
Department of Atmospheric and Oceanic Sciences, University of Maryland, College Park, MD 20742, United States of America
Paolo Laj
Institut des Géosciences de l'Environnement, Université Grenoble Alpes, CNRS, INRAE, IRD, Grenoble INP, 38000 Grenoble, France
Institute for Atmospheric and Earth System Research (INAR), and Department of Physics, University of Helsinki, 00014 Helsinki, Finland
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Short summary
Levels of black carbon (BC) are scarcely reported in the Southern Hemisphere, especially in high-altitude conditions. This study provides insight into the concentration level, variability, and optical properties of BC in La Paz and El Alto and at the Chacaltaya Global Atmosphere Watch Station. Two methods of source apportionment of absorption were tested and compared showing traffic as the main contributor to absorption in the urban area, in addition to biomass and open waste burning.
Levels of black carbon (BC) are scarcely reported in the Southern Hemisphere, especially in...
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