Comment on essd-2023-109
Abstract
Abstract. The NASA Aerosol Cloud meTeorology Interactions oVer the western ATlantic Experiment (ACTIVATE) produced a unique dataset for research into aerosol-cloud-meteorology interactions with applications extending from process-based studies to multi-scale model intercomparison and improvement, and remote sensing algorithm assessments and advancements. ACTIVATE used two NASA Langley Research Center aircraft, a HU-25 Falcon and King Air, to conduct systematic and spatially coordinated flights over the northwest Atlantic Ocean amounting to 162 joint flights and 17 other single-aircraft flights between 2020 and 2022 across all seasons. Data cover 574 and 592 cumulative flights hours for the Falcon and King Air, respectively. The HU-25 Falcon flew conducted profiling at different level legs below, in, and just above boundary layer clouds (< 3 km) and obtained in situ measurements of trace gases, aerosol particles, clouds, and atmospheric state parameters. In cloud-free conditions, the Falcon similarly conducted profiling at different level legs within and immediately above the boundary layer. The King Air (the high-flyer) flew at approximately ~9 km conducting remote sensing with a lidar and polarimeter while also launching dropsondes. Collectively, simultaneous data collected from both aircraft help characterize the same vertical column of the atmosphere. In addition to individual instrument files, data from the Falcon aircraft are combined into “merge files” on the publicly available data archive that are created at different time resolutions of interest (e.g., 1, 5, 10, 15, 30, 60 s, or matching an individual data product start and stop times). This paper describes the ACTIVATE flight strategy, instrument and complementary dataset products, data access and usage details, and data application notes.
Authors 64
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Armin Sorooshian corresponding
Affiliation as printed
Department of Chemical and Environmental Engineering, University of Arizona, Tucson, AZ, USA
Department of Hydrology and Atmospheric Sciences, University of Arizona, Tucson, AZ, USA
James C. Wyant College of Optical Sciences, University of Arizona, Tucson, AZ, USA
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Goddard Institute for Space Studies · Columbia University
Affiliation as printed
Department of Applied Physics and Applied Mathematics, Columbia University, New York, NY, USA
NASA Goddard Institute for Space Studies, New York, NY, USA
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Affiliation as printed
Science Systems and Applications, Inc., Hampton, VA, USA
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Ames Research Center · Bay Area Environmental Research Institute
Affiliation as printed
Bay Area Environmental Research Institute, NASA Ames Research Center, Moffett Field, CA, USA
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Affiliation as printed
Department of Hydrology and Atmospheric Sciences, University of Arizona, Tucson, AZ, USA
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Affiliation as printed
NASA Langley Research Center, Hampton, VA, USA
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Affiliation as printed
NASA Langley Research Center, Hampton, VA, USA
Science Systems and Applications, Inc., Hampton, VA, USA
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Goddard Institute for Space Studies
Affiliation as printed
NASA Goddard Institute for Space Studies, New York, NY, USA
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Affiliation as printed
NASA Langley Research Center, Hampton, VA, USA
Science Systems and Applications, Inc., Hampton, VA, USA
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Affiliation as printed
NASA Langley Research Center, Hampton, VA, USA
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Affiliation as printed
NASA Langley Research Center, Hampton, VA, USA
Science Systems and Applications, Inc., Hampton, VA, USA
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Affiliation as printed
NASA Langley Research Center, Hampton, VA, USA
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Affiliation as printed
NASA Langley Research Center, Hampton, VA, USA
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Affiliation as printed
Department of Chemical and Environmental Engineering, University of Arizona, Tucson, AZ, USA
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Affiliation as printed
NASA Langley Research Center, Hampton, VA, USA
Science Systems and Applications, Inc., Hampton, VA, USA
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Space Research Organisation Netherlands
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SRON Netherlands Institute for Space Research, Leiden, the Netherlands
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Affiliation as printed
NASA Langley Research Center, Hampton, VA, USA
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Affiliation as printed
NASA Langley Research Center, Hampton, VA, USA
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Affiliation as printed
James C. Wyant College of Optical Sciences, University of Arizona, Tucson, AZ, USA
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Affiliation as printed
Department of Chemical and Environmental Engineering, University of Arizona, Tucson, AZ, USA
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Affiliation as printed
NASA Langley Research Center, Hampton, VA, USA
Science Systems and Applications, Inc., Hampton, VA, USA
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Affiliation as printed
NASA Langley Research Center, Hampton, VA, USA
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Ames Research Center · Bay Area Environmental Research Institute
Affiliation as printed
Bay Area Environmental Research Institute, NASA Ames Research Center, Moffett Field, CA, USA
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Affiliation as printed
NASA Langley Research Center, Hampton, VA, USA
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Affiliation as printed
NASA Langley Research Center, Hampton, VA, USA
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Affiliation as printed
Department of Hydrology and Atmospheric Sciences, University of Arizona, Tucson, AZ, USA
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Affiliation as printed
NASA Langley Research Center, Hampton, VA, USA
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Affiliation as printed
NASA Langley Research Center, Hampton, VA, USA
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Affiliation as printed
NASA Langley Research Center, Hampton, VA, USA
Science Systems and Applications, Inc., Hampton, VA, USA
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Johannes Gutenberg University Mainz · Deutsches Zentrum für Luft- und Raumfahrt e. V. (DLR)
Affiliation as printed
Institute of Atmospheric Physics, German Aerospace Center, Germany
Institute of Atmospheric Physics, University Mainz, Germany
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NASA Langley Research Center, Hampton, VA, USA
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Affiliation as printed
NASA Langley Research Center, Hampton, VA, USA
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Affiliation as printed
NASA Langley Research Center, Hampton, VA, USA
Science Systems and Applications, Inc., Hampton, VA, USA
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Affiliation as printed
NASA Langley Research Center, Hampton, VA, USA
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National Institute of Aerospace
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National Institute of Aerospace, Hampton, VA, USA
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Affiliation as printed
Department of Hydrology and Atmospheric Sciences, University of Arizona, Tucson, AZ, USA
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NASA Langley Research Center, Hampton, VA, USA
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Affiliation as printed
NASA Langley Research Center, Hampton, VA, USA
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NASA Langley Research Center, Hampton, VA, USA
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Affiliation as printed
NASA Langley Research Center, Hampton, VA, USA
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Affiliation as printed
NASA Langley Research Center, Hampton, VA, USA
Science Systems and Applications, Inc., Hampton, VA, USA
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Affiliation as printed
NASA Langley Research Center, Hampton, VA, USA
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Affiliation as printed
NASA Langley Research Center, Hampton, VA, USA
Science Systems and Applications, Inc., Hampton, VA, USA
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Affiliation as printed
NASA Langley Research Center, Hampton, VA, USA
Science Systems and Applications, Inc., Hampton, VA, USA
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Langley Research Center · National Aeronautics and Space Administration
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NASA Postdoctoral Program, NASA Langley Research Center, Hampton, VA, USA
Science Systems and Applications, Inc., Hampton, VA, USA
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NASA Langley Research Center, Hampton, VA, USA
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Rosenstiel School of Marine, Atmospheric, and Earth Science, University of Miami, Miami, FL, USA
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Affiliation as printed
NASA Langley Research Center, Hampton, VA, USA
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Affiliation as printed
NASA Langley Research Center, Hampton, VA, USA
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Goddard Institute for Space Studies · Columbia University
Affiliation as printed
Department of Applied Physics and Applied Mathematics, Columbia University, New York, NY, USA
NASA Goddard Institute for Space Studies, New York, NY, USA
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Affiliation as printed
NASA Langley Research Center, Hampton, VA, USA
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Affiliation as printed
NASA Langley Research Center, Hampton, VA, USA
Science Systems and Applications, Inc., Hampton, VA, USA
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Affiliation as printed
NASA Langley Research Center, Hampton, VA, USA
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Affiliation as printed
NASA Langley Research Center, Hampton, VA, USA
Science Systems and Applications, Inc., Hampton, VA, USA
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Johannes Gutenberg University Mainz · Deutsches Zentrum für Luft- und Raumfahrt e. V. (DLR)
Affiliation as printed
Institute of Atmospheric Physics, German Aerospace Center, Germany
Institute of Atmospheric Physics, University Mainz, Germany
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NSF National Center for Atmospheric Research
Affiliation as printed
National Center for Atmospheric Research, Boulder, CO, USA
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Goddard Institute for Space Studies
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NASA Goddard Institute for Space Studies, New York, NY, USA
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Pacific Northwest National Laboratory
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Atmospheric Sciences and Global Change Division, Pacific Northwest National Laboratory, Richland, WA, USA
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Affiliation as printed
NASA Langley Research Center, Hampton, VA, USA
Science Systems and Applications, Inc., Hampton, VA, USA
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Affiliation as printed
Department of Chemical and Environmental Engineering, University of Arizona, Tucson, AZ, USA
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Affiliation as printed
Department of Hydrology and Atmospheric Sciences, University of Arizona, Tucson, AZ, USA
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National Institute of Aerospace
Affiliation as printed
National Institute of Aerospace, Hampton, VA, USA
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Affiliation as printed
NASA Langley Research Center, Hampton, VA, USA
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Affiliation as printed
Rosenstiel School of Marine, Atmospheric, and Earth Science, University of Miami, Miami, FL, USA
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