Raman-lidar technique for tropospheric and stratospheric sensing of aerosol optical and microphysical properties
Tropospheric and stratospheric aerosols and clouds are known to influence the earth`s radiation budget as well as chemical processes of the atmosphere. Thus, remote sensing of optical and microphysical properties of atmospheric particles has important applications in weather and climate research, pollution monitoring, and atmospheric chemistry. During the last few years Raman lidars have become very important tools in this field of research. The development of powerful light sources such as Nd:YAG and excimer lasers, of interference filters with narrow bandwidth and high transmission, and of low-noise photomultiplier tubes and counting systems has improved the Raman-lidar technique during the past decade significantly. The technique is based on the detection of two signals resulting from elastic backscattering by air molecules and particles and inelastic (Raman) backscattering by a gas of known number density, i.e., nitrogen or oxygen. The technique has been successfully applied to cirrus-cloud studies. In this presentation, the capability of the Raman-lidar technique for tropospheric and stratospheric profiling of aerosol and cloud properties will be discussed on the basis of measurement examples.
- Research Organization:
- Optical Society of America, Washington, DC (United States)
- OSTI ID:
- 263843
- Report Number(s):
- LC-95-67220; LC-95-67219; NIPS-96-08630; CONF-950277-; TRN: 9623921
- Resource Relation:
- Conference: 6. Optical Society of America (OSA) meeting on remote sensing of the atmosphere, Salt Lake City, UT (United States), 6-9 Feb 1995; Other Information: PBD: Jan 1995; Related Information: Is Part Of Optical Remote Sensing of the Atmosphere, Volume 2; PB: 249 p.
- Country of Publication:
- United States
- Language:
- English
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