Parameter Tree:
EARTH SCIENCE > ATMOSPHERE > AEROSOLS > CLOUD CONDENSATION NUCLEI

Definition:
Known as CCN: particles that will take up water to form cloud droplets at
or above a specified supersaturation of water.  


Reference:
Charlson, R.J. and J. Heintzenberg, eds. 1994. Aerosol Forcing of Climate,
Report of the Dahlem Workshop on Aerosol Forcing of Climate, Berlin, April
24-29, 1994, John Wiley & Sons, New York.