Published Paper Details:

The acquisition of geo-data has long been, and continues to be, a cumbersome, labour-intensive and expensive task. The past decade has been witness to a favorable development, which is the rise of new remote-sensing techniques able to collect geo-data in an automated manner. In particular, techniques enabling the highly automated collection of 3D geo-data in the form of Digital Elevation Models have rapidly emerged and are now at the leading edge. Discovery of different laser sources, improvements in detector technology, data collection and analysis techniques have made the LiDAR a reliable tool for atmospheric science research. This paper provides study of available LiDAR systems like Differential Absorption LiDAR(DIAL), LiDAR Technology Experiment(LITE), Giant Aperture LiDAR Experiment(GALE), Purple Crow LiDAR, SHOALS Airborne LiDAR, Scanning Aerosol Backscatter LiDAR(SABL), CO2 Doppler Pulsed LiDAR, ULM Airborne LiDAR, TopoSys LiDAR System), ALS50 LiDAR System with their specification and specific use. The varied application in areas particularly in Environmental Engineering where this technology has been successfully employed is reviewed in detail. The paper also outlines the potential of this technology, and use of this Technology in reference to India with some case studies as LiDAR study of air quality in the atmospheric boundary layer in Pune, Monitoring of vertical profiles of minor constituents in the atmosphere of New Delhi, Study on planetary atmospheres and ssurface measurements of ozone in downwind side of major industrial region of Gujarat from India.