Answers are grounded in this paper and cite their sources.
Samplings Of cloud droplets were compared with airborne cloud nuclei measurements in air below cloud base. The number concentration of the cloud droplets agreed closely with the number obtained from the nuclei measurements.
No takes yet. Share an insight, caveat, or question.
Twomey et al. (1967) studied this question.
Synapse has enriched 10 related papers. Consider them for comparative context: