A CLOUD-DROPLET SAMPLER FOR CONTINUOUS OPERATION AT GROUND LEVEL
EMMANUEL COLL BOSTON MA ORIENTAL SCIENCE RESEARCH LIBRARY
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This paper describes the design and construction of a cloud-droplet sampler for continuous operation at ground level. The equipment used previously can only work continuously for two seconds in a single probing, while in this one the duration of continuous sampling may be extended up to two minutes with an adjustable exposure control. Field experiments carried out in the spring of 1964 show that this instrument can be used to scan the fluctuations of parameters characterizing the microstructure of cloud and fog with periods of the order of 0.1 to 10 seconds. A simple assessment of the instrumental error has also been made.