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CPC

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cpc: Condensation Particle Counter

The Condensation Particle Counter (CPC) measures sub-micron aerosol particle number concentration by condensing fluid onto particles and causing them to grow to sizes that are easily detectable by optical scattering. The condensing liquid is typically an alcohol (e.g., butanol) or water.

Depending on the CPC type, typical CPC instruments can count particles with sizes that range from 3 to 3000 nanometers (ultrafine CPC) or from 10 to 3000 nanometers (fine CPC). The CPC is part of the Aerosol Observing System (AOS).

Measurements

Aerosol concentration
Cloud particle number concentration

Locations

  • Fixed
  • AMF1
  • AMF2
  • AMF3

Related Publications

2018

Zheng G, Y Wang, A Aiken, F Gallo, M Jensen, P Kollias, C Kuang, E Luke, S Springston, J Uin, R Wood, and J Wang. 2018. "Marine boundary layer aerosol in the eastern North Atlantic: seasonal variations and key controlling processes." Atmospheric Chemistry and Physics, 18(23), doi:10.5194/acp-18-17615-2018.
Research Highlight

Cirino G, J Brito, H Barbosa, L Rizzo, P Tunved, S de Sá, J Jimenez, B Palm, S Carbone, J Lavric, R Souza, S Wolff, D Walter, J Tota, M Oliveira, S Martin, and P Artaxo. 2018. "Observations of Manaus urban plume evolution and interaction with biogenic emissions in GoAmazon 2014/5." Atmospheric Environment, 191, 10.1016/j.atmosenv.2018.08.031.

Wimmer D, S Buenrostro Mazon, H Manninen, J Kangasluoma, A Franchin, T Nieminen, J Backman, J Wang, C Kuang, R Krejci, J Brito, F Goncalves Morais, S Martin, P Artaxo, M Kulmala, V Kerminen, and T Petäjä. 2018. "Ground-based observation of clusters and nucleation-mode particles in the Amazon." Atmospheric Chemistry and Physics, 18(17), 10.5194/acp-18-13245-2018.

Lacher L, P DeMott, E Levin, K Suski, Y Boose, A Zipori, E Herrmann, N Bukowiecki, M Steinbacher, E Gute, J Abbatt, U Lohmann, and Z Kanji. 2018. "Background Free-Tropospheric Ice Nucleating Particle Concentrations at Mixed-Phase Cloud Conditions." Journal of Geophysical Research: Atmospheres, 123(18), 10.1029/2018JD028338.

de Sá S, B Palm, P Campuzano-Jost, D Day, W Hu, G Isaacman-VanWertz, L Yee, J Brito, S Carbone, I Ribeiro, G Cirino, Y Liu, R Thalman, A Sedlacek, A Funk, C Schumacher, J Shilling, J Schneider, P Artaxo, A Goldstein, R Souza, J Wang, K McKinney, H Barbosa, M Alexander, J Jimenez, and S Martin. 2018. "Urban influence on the concentration and composition of submicron particulate matter in central Amazonia." Atmospheric Chemistry and Physics, 18(16), 10.5194/acp-18-12185-2018.

Forestieri S, T Helgestad, A Lambe, L Renbaum-Wolff, D Lack, P Massoli, E Cross, M Dubey, C Mazzoleni, J Olfert, A Sedlacek III, A Freedman, P Davidovits, T Onasch, and C Cappa. 2018. "Measurement and modeling of the multiwavelength optical properties of uncoated flame-generated soot." Atmospheric Chemistry and Physics, 18(16), 10.5194/acp-18-12141-2018.

Varble A, S Nesbit, P Salio, E Zipser, S van den Heever, G McFarquhar, P Kollias, S Kreidenweis, P DeMott, M Jensen, R Houze, Jr., K Rasmussen, R Leung, D Romps, D Gochis, E Avila, and C Williams. 2018. Cloud, Aerosol, and Complex Terrain Interactions (CACTI) Science Plan. Ed. by Robert Stafford, DOE ARM Climate Research Facility. DOE/SC-ARM-17-004.

Chen H, S Chee, M Lawler, K Barsanti, B Wong, and J Smith. 2018. "Size resolved chemical composition of nanoparticles from reactions of sulfuric acid with ammonia and dimethylamine." Aerosol Science and Technology, 52(10), 10.1080/02786826.2018.1490005.

Kuang C. 2018. "A diethylene glycol condensation particle counter for rapid sizing of sub-3 nm atmospheric clusters." Aerosol Science and Technology, 52(10), 10.1080/02786826.2018.1481279.

Shilling J, M Pekour, E Fortner, P Artaxo, S de Sá, J Hubbe, K Longo, L Machado, S Martin, S Springston, J Tomlinson, and J Wang. 2018. "Aircraft observations of the chemical composition and aging of aerosol in the Manaus urban plume during GoAmazon 2014/5." Atmospheric Chemistry and Physics, 18(14), 10.5194/acp-18-10773-2018.

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