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Title: Measurements of humidity in the atmosphere and validation experiments (Mohave, Mohave II) : results overview
Authors: Leblanc, Thierry
McDermid, Iain S.
McGee, Thomas G.
Twigg, Laurence W.
Sumnicht, Grant K.
Whiteman, David N.
Rush, Kurt D.
Cadirola, Martin P.
Venable, Demetrius D.
Connell, R.
Demoz, Belay B.
Vömel, Holger
Miloshevich, L.
Keywords: water vapors
Issue Date: 23-Jun-2008
Publisher: Pasadena, CA : Jet Propulsion Laboratory, National Aeronautics and Space Administration, 2008.
Citation: 24th International Laser radar Remote Sensing Conference (ILRC), Boulder, Colorado, June 23, 2008
Abstract: The Measurements of Humidity in the Atmosphere and Validation Experiments (MOHAVE, MOHAVE-II) inter-comparison campaigns took place at the Jet Propulsion Laboratory (JPL) Table Mountain Facility (TMF, 34.5ºN) in October 2006 and 2007 respectively. Both campaigns aimed at evaluating the capability of three Raman lidars for the measurement of water vapor in the upper troposphere and lower stratosphere (UT/LS). During each campaign, more than 200 hours of lidar measurements were compared to balloon borne measurements obtained from 10 Cryogenic Frost-point Hygrometer (CFH) flights and over 50 Vaisala RS92 radiosonde flights. During MOHAVE, fluorescence in all three lidar receivers was identified, causing a significant wet bias above 10-12 km in the lidar profiles as compared to the CFH. All three lidars were reconfigured after MOHAVE, and no such bias was observed during the MOHAVE-II campaign. The lidar profiles agreed very well with the CFH up to 13-17 km altitude, where the lidar measurements become noise limited. The results from MOHAVE-II have shown that the water vapor Raman lidar will be an appropriate technique for the long-term monitoring of water vapor in the UT/LS given a slight increase in its power-aperture, as well as careful calibration.
Appears in Collections:JPL TRS 1992+

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