Aerosol monitoring in the PBL over big cities using a mobile eye safe LIDAR

Laurent Sauvage; Patrick Chazette

doi:10.1117/12.631422

1 November 2005 Aerosol monitoring in the PBL over big cities using a mobile eye safe LIDAR

Laurent Sauvage, Patrick Chazette

Proceedings Volume 5984, Lidar Technologies, Techniques, and Measurements for Atmospheric Remote Sensing; 59840K (2005) https://doi.org/10.1117/12.631422
Event: SPIE Remote Sensing, 2005, Bruges, Belgium

Abstract

The Laboratory of Science of Climate and Environment (CEA/ CNRS) and LEOSPHERE Company have jointly developed an eye safe, rugged and unattended high resolution scanning lidar ("easy lidar", www.lidar.fr). This system has been used in the frame of the POVA program and has been used in a compact version during the LISAIR (LIdar to Survey the AIR) program in May 2005 in the Paris city, France. The mobile lidar has been used to follow aerosol particles in highways subject to heavy traffic. High spatial and temporal resolution data on the entire planetary boundary layer (1.5 m and 1s respectively) allowed to monitor for aerosol load variability on board a moving car and also to detect for local sources. We observed the doubling of the optical thickness in the morning when traffic is high in the city ring. We also have shown local effect of waste burning plants and train stations. This new type of eye safe lidar will allow to monitor continuously the entire area of a town and suburbs, in order to detect main sources of pollution (transport, traffic jams, industrial plants, natural dust), follow in real time the evolution of the PBL height and provide an estimation of the mass concentration of the aerosol in the PBL.

Citation Download Citation

Laurent Sauvage and Patrick Chazette "Aerosol monitoring in the PBL over big cities using a mobile eye safe LIDAR", Proc. SPIE 5984, Lidar Technologies, Techniques, and Measurements for Atmospheric Remote Sensing, 59840K (1 November 2005); https://doi.org/10.1117/12.631422

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