Evolution study of a water vapor plume using a mobile CO2 DIAL system

Carlo Bellecci; Livio Casella; S. Federico; Pasqualino Gaudio; T. Lo Feudo; Sergio Martellucci; Maria Richetta

doi:10.1117/12.454440

31 January 2002 Evolution study of a water vapor plume using a mobile CO₂ DIAL system

Carlo Bellecci, Livio Casella, S. Federico, Pasqualino Gaudio, T. Lo Feudo, Sergio Martellucci, Maria Richetta

Proceedings Volume 4539, Remote Sensing of Clouds and the Atmosphere VI; (2002) https://doi.org/10.1117/12.454440
Event: International Symposium on Remote Sensing, 2001, Toulouse, France

Abstract

The DIAL system and the HYPACT model are two useful means to study plume evolution and dispersion. We developed a mobile DIAL system, mounted onto a truck. The DIAL is based on a single TEA CO₂ laser source, able to switch between the 'on' and 'off' lines. This set-up allows rapid tuning of the two lines and keeps the misalignment within a range of 0.1 mrad, moderately below the beam divergence. The receiving system is a Newtonian telescope. All the instrumentation and the telescope are located inside the van. A large size scanning mirror, installed on the roof, sends the laser radiation into the atmosphere and, at the same time, it collects the backscattered light. To test all instrumentation, preliminary measurements have been completed to monitor a water vapor plume of a cement factory. The measurements are qualitatively compared against a dispersion plume model run initially from climatological fields.

Citation Download Citation

Carlo Bellecci, Livio Casella, S. Federico, Pasqualino Gaudio, T. Lo Feudo, Sergio Martellucci, and Maria Richetta "Evolution study of a water vapor plume using a mobile CO₂ DIAL system", Proc. SPIE 4539, Remote Sensing of Clouds and the Atmosphere VI, (31 January 2002); https://doi.org/10.1117/12.454440

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