CCN

ccn: Cloud Condensation Nuclei Particle Counter

The cloud condensation nuclei counter measures the concentration of aerosol particles by drawing an air sample through a column with thermodynamically unstable supersaturated water vapor that can condense onto aerosol particles. Particles that are activated, i.e. grown larger in the process, are counted and sized by an Optical Particle Counter (OPC). In this way the CCN measures activated ambient aerosol particle number concentration as a function of supersaturation.

The ARM Facility operates both one- and two-column versions of the CCN.

Measurements

Aerosol concentration

Cloud condensation nuclei

Locations

Fixed
AMF1
AMF2
AMF3

Related Publications

2017

Fast J, L Berg, C Burleyson, J Fan, Z Feng, S Hagos, M Huang, A Guenther, A Laskin, M Ovchinnikov, J Shilling, M Shrivastava, H Xiao, R Zaveri, A Zelenyuk, C Kuang, J Wang, J Smith, D Turner, and P Gentine. 2017. Holistic Interactions of Shallow Clouds, Aerosols, and Land-Ecosystems (HI-SCALE) Field Campaign Report. Ed. by Robert Stafford, ARM Climate Research Facility. DOE/SC-ARM-17-014.

Fridlind A, X Li, D Wu, M van Lier-Walqui, A Ackerman, W Tao, G McFarquhar, W Wu, X Dong, J Wang, A Ryzhkov, P Zhang, M Poellot, A Neumann, and J Tomlinson. 2017. "Derivation of aerosol profiles for MC3E convection studies and use in simulations of the 20 May squall line case." Atmospheric Chemistry and Physics, 17(9), 10.5194/acp-17-5947-2017.

Schmale J, S Henning, B Henzing, H Keskinen, K Sellegri, J Ovadnevaite, A Bougiatioti, N Kalivitis, I Stavroulas, A Jefferson, M Park, P Schlag, A Kristensson, Y Iwamoto, K Pringle, C Reddington, P Aalto, M Äijälä, U Baltensperger, J Bialek, W Birmili, N Bukowiecki, M Ehn, A Fjæraa, M Fiebig, G Frank, R Fröhlich, A Frumau, M Furuya, E Hammer, L Heikkinen, E Herrmann, R Holzinger, H Hyono, M Kanakidou, A Kiendler-Scharr, K Kinouchi, G Kos, M Kulmala, N Mihalopoulos, G Motos, A Nenes, C O’Dowd, M Paramonov, T Petäjä, D Picard, L Poulain, A Prévôt, J Slowik, A Sonntag, E Swietlicki, B Svenningsson, H Tsurumaru, A Wiedensohler, C Wittbom, J Ogren, A Matsuki, S Yum, C Myhre, K Carslaw, F Stratmann, and M Gysel. 2017. "Collocated observations of cloud condensation nuclei, particle size distributions, and chemical composition." Scientific Data, 4, 170003, 10.1038/sdata.2017.3.

Painemal D, J Chiu, P Minnis, C Yost, X Zhou, M Cadeddu, E Eloranta, E Lewis, R Ferrare, and P Kollias. 2017. "Aerosol and cloud microphysics covariability in the northeast Pacific boundary layer estimated with ship-based and satellite remote sensing observations." Journal of Geophysical Research: Atmospheres, 122(4), 10.1002/2016JD025771.

2016

Mahish M, DR Collins, A Jefferson, PJ Marinescu, EJ Levin, PJ DeMott, and SM Kreidenweis. 2016. Seasonal and Interannual Variations in Aerosol Characteristics at the ARM Southern Great Plains Site. Presented at Annual American Meteorological Society (AMS) Meeting. Seattle, WA.

Saleeby SM, SC van den Heever, PJ Marinescu, SM Kreidenweis, and PJ DeMott. 2016. "Aerosol effects on the anvil characteristics of mesoscale convective systems." Journal of Geophysical Research: Atmospheres, 121(18), 10.1002/2016jd025082. ONLINE.

Marinescu PJ, SC van den Heever, SM Saleeby, and SM Kreidenweis. 2016. "The microphysical contributions to and evolution of latent heating profiles in two MC3E MCSs." Journal of Geophysical Research: Atmospheres, 121(13), 10.1002/2016jd024762.

Uin J. 2016. Cloud Condensation Nuclei Counter Instrument Handbook. Ed. by Robert Stafford, DOE ARM Climate Research Facility. DOE/SC-ARM-TR-168.