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Earth Observing Laboratory
Field Data Archive

IceNu: Spontaneous Ice Nucleation

Summary

This study continued prior investigation of spontaneous ice nucleation to further the understanding of cirrus cloud behavior. High altitude atmospheric samples were collected by aircraft in clear air and upwind of lenticular clouds for use in this laboratory program. Aerosol bag samples were collected and introduced into cloud chambers and used as cloud condensation nuclei to form supercooled droplets for freezing studies. Ice crystal samples were collected, studied and compared to crystals formed in the lab. Air filter samples were also taken to identify chemical constituents in our air and particle samples. Sabreliner flights provided raw materials for use in laboratory experiments.

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Temporal coverage

Begin Date 1989-11-09 00:00:00
End Date 1989-12-16 23:59:00

Spatial coverage


Map data from IBCSO, IBCAO, and Global Topography.

Maximum (North) Latitude: 41.869, Minimum (South) Latitude: 32.704
Minimum (West) Longitude: -106.342, Maximum (East) Longitude: -87.44

NSF

This material is based upon work supported by the NSF National Center for Atmospheric Research, a major facility sponsored by the U.S. National Science Foundation and managed by the University Corporation for Atmospheric Research. Any opinions, findings and conclusions or recommendations expressed in this material do not necessarily reflect the views of the U.S. National Science Foundation.