Measurement of Condensed Water Content in Liquid and Ice Clouds Using an Airborne Counterflow Virtual Impactor Public Deposited

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  • Condensed water content (CWC) measured using a counterflow virtual impactor (CVI) with a Lyman-α hygrometer downstream is compared with that measured by other airborne instruments (a hot-wire probe, a PMS FSSP, and a PMS 2D-C). Results indicate that the CVI system provides a reliable measurement of CWC in both liquid- and ice-phase clouds and that the CVI measures CWC contained in both large and small hydrometeors; this means that the condensed water present in both phases and virtually all hydrometeor sizes can be measured with a single device. Small ice contents of a few milligrams per cubic meter present in cirrus clouds can also be measured by the technique.
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  • Twohy, Cynthia H., Allen J. Schanot, William A. Cooper, 1997: Measurement of Condensed Water Content in Liquid and Ice Clouds Using an Airborne Counterflow Virtual Impactor. Journal of Atmospheric and Oceanic Technology, 14, 197–202.
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  • Vol. 14 no. 1
  • description.provenance : Submitted by Deborah Campbell (deborah.campbell@oregonstate.edu) on 2012-04-30T23:20:36Z No. of bitstreams: 1 TwohyCynthiaH.CEOAS.MeasurementCondensedWater.pdf: 106239 bytes, checksum: 3e059eee3473624671a4a2e838ed57d9 (MD5)
  • Journal of Atmospheric and Oceanic Technology
  • description.provenance : Made available in DSpace on 2012-04-30T23:20:36Z (GMT). No. of bitstreams: 1 TwohyCynthiaH.CEOAS.MeasurementCondensedWater.pdf: 106239 bytes, checksum: 3e059eee3473624671a4a2e838ed57d9 (MD5) Previous issue date: 1997-02

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