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RICO: NSF/NCAR C-130 Cloud Particle Imager (CPI) Data


The Cloud Particle Imager captures high-resolution images (pixel size 2.3 microns) using a CCD camera. The CPI has two Particle Detector Sensor lasers that instruct the camera to capture an image. For RICO the CPI was put on "random mode" during cloud work usually between the 2 sets of circles during the day's C-130 flight. In random mode the CCD camera flashes at its maximum frame rate usually 74 frames per second. This enabled the CPI to capture much more particle images since it will image anything within the sample volume at that moment. It also allows for a better determination of the sample volume and concentration since it is constantly recording and not relying on lasers to detect particles beforehand, which cannot detect every particle passing through the sample volume. The sample area of the CPI is 1024x1024 pixels(@2.3 micron = 2.4 microns squared).

Data access

  • ORDER data for delivery by FTP

Additional information

Data Quality final
  • 1.0 (2008-10-10)
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Related projects
Spatial Type multiple
Frequency no set schedule
Language English
GCMD Science Keywords Expand keywords
Related links

Temporal coverage

Begin datetime 2004-12-07 00:00:00
End datetime 2005-01-24 23:59:59

Spatial coverage

Map data from IBCSO, IBCAO, and Global Topography.

Maximum (North) Latitude: 21.00, Minimum (South) Latitude: 15.00
Minimum (West) Longitude: -72.00, Maximum (East) Longitude: -55.00

Primary point of contact information

EOL Data Support <>

Additional contact information


Baker, B., Pilson, B. 2008. RICO: NSF/NCAR C-130 Cloud Particle Imager (CPI) Data. Version 1.0. UCAR/NCAR - Earth Observing Laboratory. Accessed 27 Feb 2024.

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