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Holographic Detector for Clouds (HOLODEC)

Project:

SPICULE

Summary

This dataset contains measurements of cloud particle size distributions collected during the SPICULE project using an airborne holographic instrument mounted on the GV. 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	DOI: https://doi.org/10.26023/X744-Y4R1-N105
Data Quality	final
Versions	1.0 (2021-07-08)
Subscribe	Subscribe to receive email when new or updated data is available.
Related projects	SPICULE: Secondary Production of Ice in Cumulus Experiment
Spatial Type	point
Frequency	continuous
Language	English
Categories	Aircraft
Platforms	Aircraft
Instruments	HOLODEC - Holographic Detector for Clouds
GCMD Science Keywords	HYDROMETEORS Expand keywords
Related links	info: SPICULE Data Policy info: SPICULE Missions info: SPICULE Project Page

Temporal coverage

Begin datetime	2021-05-25 08:41:59
End datetime	2021-06-25 23:59:59

Spatial coverage

Map data from IBCSO, IBCAO, and Global Topography.

Maximum (North) Latitude: 41.00, Minimum (South) Latitude: 37.00
Minimum (West) Longitude: -109.00, Maximum (East) Longitude: -102.00

Primary point of contact information

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

Citation

UCAR/NCAR - Earth Observing Laboratory. 2021. Holographic Detector for Clouds. Version 1.0. UCAR/NCAR - Earth Observing Laboratory. https://doi.org/10.26023/X744-Y4R1-N105. Accessed 19 Apr 2024.

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