Articles | Volume 25, issue 4
https://doi.org/10.5194/acp-25-2087-2025
© Author(s) 2025. 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-25-2087-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
19 Feb 2025
Research article |
| 19 Feb 2025
| 19 Feb 2025
Tropospheric aerosols over the western North Atlantic Ocean during the winter and summer deployments of ACTIVATE 2020: life cycle, transport, and distribution
National Institute of Aerospace, Hampton, VA, USA
Science Directorate, NASA Langley Research Center, Hampton, VA, USA
Bo Zhang
CORRESPONDING AUTHOR
National Institute of Aerospace, Hampton, VA, USA
Science Directorate, NASA Langley Research Center, Hampton, VA, USA
Richard H. Moore
Science Directorate, NASA Langley Research Center, Hampton, VA, USA
Luke D. Ziemba
Science Directorate, NASA Langley Research Center, Hampton, VA, USA
Richard A. Ferrare
Science Directorate, NASA Langley Research Center, Hampton, VA, USA
Hyundeok Choi
National Institute of Aerospace, Hampton, VA, USA
now at: SAIC at NOAA/NWS/NCEP/Environmental Modeling Center, College Park, MD, USA
Armin Sorooshian
Department of Hydrology and Atmospheric Sciences, University of Arizona, Tucson, AZ, USA
Department of Chemical and Environmental Engineering, University of Arizona, Tucson, AZ, USA
David Painemal
Science Directorate, NASA Langley Research Center, Hampton, VA, USA
Analytical Mechanics Associates, Inc., Hampton, VA, USA
Hailong Wang
Atmospheric, Climate, and Earth Sciences Division, Pacific Northwest National Laboratory, Richland, WA, USA
Michael A. Shook
Science Directorate, NASA Langley Research Center, Hampton, VA, USA
Amy Jo Scarino
Science Directorate, NASA Langley Research Center, Hampton, VA, USA
Coherent Applications, Inc. – Psionic LLC, Hampton, VA, USA
Johnathan W. Hair
Science Directorate, NASA Langley Research Center, Hampton, VA, USA
Ewan C. Crosbie
Science Directorate, NASA Langley Research Center, Hampton, VA, USA
Analytical Mechanics Associates, Inc., Hampton, VA, USA
Marta A. Fenn
Science Directorate, NASA Langley Research Center, Hampton, VA, USA
Coherent Applications, Inc. – Psionic LLC, Hampton, VA, USA
Taylor J. Shingler
Science Directorate, NASA Langley Research Center, Hampton, VA, USA
Chris A. Hostetler
Science Directorate, NASA Langley Research Center, Hampton, VA, USA
Gao Chen
Science Directorate, NASA Langley Research Center, Hampton, VA, USA
Mary M. Kleb
Science Directorate, NASA Langley Research Center, Hampton, VA, USA
Atmospheric Sciences Research Center, State University of New York at Albany, Albany, NY, USA
Fangqun Yu
Atmospheric Sciences Research Center, State University of New York at Albany, Albany, NY, USA
Mark A. Vaughan
Science Directorate, NASA Langley Research Center, Hampton, VA, USA
Yongxiang Hu
Science Directorate, NASA Langley Research Center, Hampton, VA, USA
Glenn S. Diskin
Science Directorate, NASA Langley Research Center, Hampton, VA, USA
John B. Nowak
Science Directorate, NASA Langley Research Center, Hampton, VA, USA
Joshua P. DiGangi
Science Directorate, NASA Langley Research Center, Hampton, VA, USA
Yonghoon Choi
Science Directorate, NASA Langley Research Center, Hampton, VA, USA
Analytical Mechanics Associates, Inc., Hampton, VA, USA
Christoph A. Keller
GESTAR II, Morgan State University, Baltimore, MD, USA
Global Modeling and Assimilation Office, NASA Goddard Space Flight Center, Greenbelt, MD, USA
Matthew S. Johnson
Earth Science Division, NASA Ames Research Center, Moffett Field, CA, USA
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Short summary
We use the GEOS-Chem model to simulate aerosol distributions and properties over the western North Atlantic Ocean (WNAO) during the winter and summer deployments in 2020 of the NASA ACTIVATE mission. Model results are evaluated against aircraft, ground-based, and satellite observations. The improved understanding of life cycle, composition, transport pathways, and distribution of aerosols has important implications for characterizing aerosol–cloud–meteorology interactions over WNAO.
We use the GEOS-Chem model to simulate aerosol distributions and properties over the western...
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