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Earth Observing Laboratory
Field Data Archive

Holographic Detector for Clouds (HOLODEC)

Project:

Summary

This dataset contains measurements of cloud particle size distributions collected during the ESCAPE project using an airborne holographic instrument. The HOLODEC-II is a second-generation version of a holographic detecter designed to determine the size, two-dimensional shape, and three-dimensional position of hydrometeors via digital in-line holography. Advantages vs other hydrometeor detectors are that the sample volume is not size dependent, relative positions of hydrometeors in the sample volume can be determined in three dimensions, and effects produced by shattering from the aperture edges can be identified and eliminated. Automated analysis programs have been developed to process the holograms collected and produce size distributions. HOLODEC-II has sufficient resolution to determine the sizes and locations of cloud droplets as well as ice crystals.

Data access

This dataset is not currently available online. For more information, please email the primary point of contact.

Additional information

Identifier
Data Quality final
Versions
  • 1.0 (2022-07-18)
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Related projects
Spatial Type point
Frequency continuous
Language English
Platforms
Instruments
GCMD Science Keywords Expand keywords
Related links

Temporal coverage

Begin datetime 2022-05-09 14:06:05
End datetime 2022-07-10 23:59:59

Spatial coverage


Map data from IBCSO, IBCAO, and Global Topography.

Maximum (North) Latitude: 35.00, Minimum (South) Latitude: 25.00
Minimum (West) Longitude: -100.00, Maximum (East) Longitude: -90.00

Primary point of contact information

EOL Data Support <datahelp@eol.ucar.edu>

Citation

UCAR/NCAR - Earth Observing Laboratory. 2022. Holographic Detector for Clouds. Version 1.0. UCAR/NCAR - Earth Observing Laboratory. https://doi.org/10.26023/G1G2-B8EE-8N0E. Accessed 05 Dec 2024.

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Ancillary information

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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.