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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 40, Iss. 21 — Jul. 20, 2001
  • pp: 3462–3475

Airborne lidar LEANDRE II for water-vapor profiling in the troposphere. II. First results

Didier Bruneau, Philippe Quaglia, Cyrille Flamant, and Jacques Pelon  »View Author Affiliations


Applied Optics, Vol. 40, Issue 21, pp. 3462-3475 (2001)
http://dx.doi.org/10.1364/AO.40.003462


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Abstract

The airborne lidar LEANDRE II, described in part I [Appl. Opt. 40, 3450–3461 (2001)], has been flown on the French Atmospheric Research Aircraft to perform lower-troposphere (0–3.5-km) measurements of the water-vapor mixing ratio. We present and discuss the method used for retrieval of the water-vapor mixing ratio and analyze systematic and random measurement errors in relation to instrument design and performance. The results of a series of test flights are presented. With a 0.8-km horizontal resolution and a 300-m vertical resolution, the standard deviation of the measurement error ranges from approximately 0.05 g kg-1 at 3.5 km to 0.3–0.4 g kg-1 near the ground, in agreement with the predicted random error. Comparisons with dew-point hygrometer measurements show a vertically averaged difference of ±0.15 g kg-1, approximately equal to the observed water-vapor variability.

© 2001 Optical Society of America

OCIS Codes
(010.3640) Atmospheric and oceanic optics : Lidar
(010.7340) Atmospheric and oceanic optics : Water
(280.1910) Remote sensing and sensors : DIAL, differential absorption lidar

History
Original Manuscript: June 16, 2000
Revised Manuscript: January 26, 2001
Published: July 20, 2001

Citation
Didier Bruneau, Philippe Quaglia, Cyrille Flamant, and Jacques Pelon, "Airborne lidar LEANDRE II for water-vapor profiling in the troposphere. II. First results," Appl. Opt. 40, 3462-3475 (2001)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-40-21-3462


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References

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