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Description

This dataset provides the number, surface area, and volume concentrations and size distributions of dry aerosol particles measured by the Aerosol Microphysical Properties (AMP) instrument package during airborne campaigns conducted by NASA's Atmospheric Tomography (ATom) mission. Five instruments--two nucleation-mode aerosol size spectrometers (NMASS), two ultra-high sensitivity aerosol spectrometers (UHSAS), and a laser aerosol spectrometer (LAS)--comprise the AMP package. The AMP payload provides size distributions with up to one-second time resolution for dry aerosol particles between 0.003 and 4.8 microns in diameter.

Product Summary

Platforms
NASA DC-8
Instruments
LASER SPECTROMETER
Spatial Extent

N: 90 S: -90 E: 180 W: -180

Location
GLOBAL
Coordinate System
CARTESIAN
Granule Spatial Representation
CARTESIAN
Temporal Extent
2016-07-29 to 2018-05-21
Data Partner
THE OAK RIDGE NATIONAL LABORATORY (ORNL) DISTRIBUTED ACTIVE ARCHIVE CENTER (DAAC) (ORNL_DAAC)
Concept ID
C3012767955-ORNL_CLOUD
Data State
COMPLETE
Number of Files/Granules
96
Processing Level
2
Published
Updated
Science Keywords
Air Quality ,
Aerosols

Citation

Citation is critically important for dataset documentation and discovery. This dataset is openly shared, without restriction, in accordance with the EOSDIS Data Use and Citation Guidance.

Copy Citation

Brock, C. A., Kupc, A., Williamson, C. J., Froyd, K. D., Erdesz, F., Murphy, D. M., Schill, G. P., Gesler, D. W., Mclaughlin, R. J., Richardson, M., Wagner, N. L., & Wilson, J. C. (2019). ATom: L2 In Situ Measurements of Aerosol Microphysical Properties (AMP) (Version 1). ORNL Distributed Active Archive Center. https://doi.org/10.3334/ORNLDAAC/1671 Date Accessed: 2026-05-01

Documents

Publications Citing This Dataset

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Title Year Author Topic
Numerical simulation and evaluation of global ultrafine particle Kohl, Matthias, Lelieveld, Jos, Chowdhury, Sourangsu, Ehrhart, Sebastian, Sharma, Disha, Cheng, Yafang, Tripathi, Sachchida Nand, Sebastian, Mathew, Pandithurai, Govindan, Wang, Hongli, Pozzer, Andrea Population Density, Air Quality, Aerosols
Machine Learning Uncovers Aerosol Size Information From Chemistry and Meteorology to Quantify Potential CloudForming Particles Nair, Arshad Arjunan, Yu, Fangqun, CampuzanoJost, Pedro, DeMott, Paul J., Levin, Ezra J. T., Jimenez, Jose L., Peischl, Jeff, Pollack, Ilana B., Fredrickson, Carley D., Beyersdorf, Andreas J., Nault, Benjamin A., Park, Minsu, Yum, Seong Soo, Palm, Brett B., Xu, Lu, Bourgeois, Ilann, Anderson, Bruce E., Nenes, Athanasios, Ziemba, Luke D., Moore, Richard H., Lee, Taehyoung, Park, Taehyun, Thompson, Chelsea R., Flocke, Frank, Huey, Lewis Gregory, Kim, Michelle J., Peng, Qiaoyun Nitrogen Dioxide, Nitric Oxide, Nitrogen Oxides, Nitrogen Oxides, Atmospheric Ozone, Air Quality, Aerosols
Chemical transport models often underestimate inorganic aerosol acidity in remote regions of the atmosphere Nault, Benjamin A., Campuzano-Jost, Pedro, Day, Douglas A., Jo, Duseong S., Schroder, Jason C., Allen, Hannah M., Bahreini, Roya, Bian, Huisheng, Blake, Donald R., Chin, Mian, Clegg, Simon L., Colarco, Peter R., Crounse, John D., Cubison, Michael J., DeCarlo, Peter F., Dibb, Jack E., Diskin, Glenn S., Hodzic, Alma, Hu, Weiwei, Katich, Joseph M., Kim, Michelle J., Kodros, John K., Kupc, Agnieszka, Lopez-Hilfiker, Felipe D., Marais, Eloise A., Middlebrook, Ann M., Andrew Neuman, J., Nowak, John B., Palm, Brett B., Paulot, Fabien, Pierce, Jeffrey R., Schill, Gregory P., Scheuer, Eric, Thornton, Joel A., Tsigaridis, Kostas, Wennberg, Paul O., Williamson, Christina J., Jimenez, Jose L. Air Quality, Aerosols, Chemical Composition, Halocarbons And Halogens, Carbon And Hydrocarbon Compounds, Trace Gases/Trace Species, Nitrate Particles
The importance of size ranges in aerosol instrument intercomparisons: a case study for the Atmospheric Tomography Mission Guo, Hongyu, Campuzano-Jost, Pedro, Nault, Benjamin A., Day, Douglas A., Schroder, Jason C., Kim, Dongwook, Dibb, Jack E., Dollner, Maximilian, Weinzierl, Bernadett, Jimenez, Jose L. Atmospheric Carbon Monoxide, Carbonaceous Aerosols, Air Quality, Trace Gases/Trace Species, Non-methane Hydrocarbons/Volatile Organic Compounds, Industrial Emissions, Fossil Fuel Burning, Biomass Burning, Atmospheric Carbon Dioxide, Sulfur Compounds, Halocarbons And Halogens, Atmospheric Ozone, Aerosols, Nitrate Particles, Chemical Composition, Sulfate Particles
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