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26 May 1997 Airborne water vapor DIAL estimation of humidity fluxes and atmospheric boundary-layer parameters
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Proceedings Volume 3104, Lidar Atmospheric Monitoring; (1997)
Event: Environmental Sensing III, 1997, Munich, Germany
We present measurements of water vapor using a differential absorption lidar (DIAL) system mounted downward looking on board a meteorological research aircraft. Flight tracks flown in 1.5 - 3 km above ground show the height and entrainment structure of the atmospheric boundary layer top. Cross sections of water vapor can be used to study for example land- sea interactions or the structure of thermals in a convective boundary layer. Applying spectral and autocorrelation analyses across horizontal DIAL water vapor series gives insight into the turbulent structure of the atmosphere. Vertical fluxes of humidity at the top of the boundary layer can be estimated from the DIAL variance water vapor profiles using a set of empirically derived equations. Such measurements are of high climatological interest, since they enable us to evaluate and monitor evaporation and biosphere-atmosphere exchange processes.
© (1997) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Christoph Kiemle, Gerhard Ehret, K. J. Davis, and Donald H. Lenschow "Airborne water vapor DIAL estimation of humidity fluxes and atmospheric boundary-layer parameters", Proc. SPIE 3104, Lidar Atmospheric Monitoring, (26 May 1997);


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