Abstract
A Rayleigh-Mie-Raman LIDAR provides vertical profiles of tropospheric variables at Clermont-Ferrand (France) since 2008, in order to describe the boundary layer dynamics, tropospheric aerosols, cirrus and water vapor. It is included in the EARLINET network. We performed hardware/software developments in order to upgrade the quality, calibration and improve automation. We present an overview of the system and some examples of measurements and a preliminary geophysical analysis of the data.
Highlights
Long-term observations of water vapor, aerosols and cirrus clouds are of crucial importance to monitor the atmospheric composition and to understand the weather climate system
A Rayleigh-Mie-Raman LIDAR system is in operation since 2008 at Clermont-Ferrand and provides regular tropospheric profiles of water vapor, aerosols and cirrus clouds
We present a short technical overview of the LIDAR system operating at Clermont-Ferrand, work of calibration and data quality assurance mainly performed in the framework of EARLINET and examples of measurements in their geophysical context
Summary
Long-term observations of water vapor, aerosols and cirrus clouds are of crucial importance to monitor the atmospheric composition and to understand the weather climate system. Satellites observations may be completed by in situ and remote sensing systems from ground based stations organized in networks such as GAW (Global Atmospheric Watch), ACTRIS (Aerosol, Clouds and Trace gases Research Infrastructure) and its LIDAR component EARLINET (European Aerosol Research LIDAR Network) [1], GRUAN (GCOS Reference Upper Air Network) or NDACC (Network for the Detection of Atmospheric Composition Change). A Rayleigh-Mie-Raman LIDAR system is in operation since 2008 at Clermont-Ferrand and provides regular tropospheric profiles of water vapor, aerosols and cirrus clouds. We present a short technical overview of the LIDAR system operating at Clermont-Ferrand, work of calibration and data quality assurance mainly performed in the framework of EARLINET and examples of measurements in their geophysical context
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