Investigation of the Characteristics of Cloud Condensation Nuclei in the Moscow Region

N. O. Plaude, E. V. Sosnikova, N. A. Monakhova, and N. P. Grishina

Results are presented of six-month series of measurements of concentration and spectra of cloud condensation nuclei over supersaturation in the Moscow region (town of Dolgoprudny). Monthly mean nuclei concentration and values of parameters of nuclei distribution over supersaturation are determined for different months. Seasonal differences are found in atmospheric concentration of the most active nuclei, which indicate the difference in amount of hygroscopic substances within the cloud-active nuclei. The dominating sizes of cloud condensation nuclei are estimated along whit their distribution over fractions of the atmospheric aerosol particles sizes.

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