Show simple item record

dc.contributor.authorShih, Chi-Fan G.
dc.date.accessioned2017-06-20T00:48:52Z
dc.date.available2017-06-20T00:48:52Z
dc.date.issued1982-09
dc.identifier.urihttp://hdl.handle.net/11122/7670
dc.descriptionThesis (M.S.) University of Alaska Fairbanks, 1982en_US
dc.description.abstractIce nuclei, which initiate the ice nucleation process at a higher temperature than the homogeneous nucleation temperature, are essential for the initiation of the ice phase in clouds. Unfortunately, no standard method has been established for the measurement of ice nucleus concentration. The filter technique is a promising candidate if the tendency for ice nucleus concentrations to decreases as the volume sampled increases can be explained. For this study, an improved ventilation method for the development of exposed filters was developed and tested. The results were compared with results obtained in a static diffusion chamber. The volume effect was observed to be less with the new dynamic system. Further work needs to be done to find the optimum flow rate in order to reduce the vapor depletion problem to a minimum. The ratio of total counts of dynamic and static system appears to be a promising evaluation index.en_US
dc.language.isoen_USen_US
dc.subjectIce nucleien_US
dc.titleAn improved method of ice nucleus measurementen_US
dc.typeThesisen_US
refterms.dateFOA2020-01-25T02:06:05Z


Files in this item

Thumbnail
Name:
Shih_C_1982.pdf
Size:
125.6Mb
Format:
PDF

This item appears in the following Collection(s)

Show simple item record