The Raman Lidar (RL) is a ground-based lidar system operated by the Department of Energy’s (DoE) Atmospheric Radiation Measurement (ARM) User Facility. It detects Raman backscatter in the ultraviolet range (355 nm) to provide profiles of water vapor, temperature, and aerosol and cloud optical properties. It also detects Raman backscatter from water vapor at 408 nm and molecular nitrogen at 387 nm to help derive aerosol optical properties and water vapor mixing ratios. It has a range resolution of 7.5 m, a time resolution of 10 seconds, and a pulse repetition frequency of 30 Hz. RL can deliver profile measurements from approximately 200 m up to 10 km above ground level.
Instrument Details
- Lidar
- Earth Science > Spectral/engineering > Lidar > Lidar BackscatterEarth Science > Atmosphere > CloudsEarth Science > Atmosphere > Aerosols > Aerosol ExtinctionEarth Science > Spectral/engineering > LidarEarth Science > Atmosphere > Clouds > Cloud PropertiesEarth Science > Atmosphere > Atmospheric Water Vapor > Water Vapor ProfilesEarth Science > Atmosphere > AerosolsEarth Science > Atmosphere > Atmospheric Water Vapor > Water Vapor Profiles > Water Vapor Mixing Ratio ProfilesEarth Science > Atmosphere > Aerosols > Aerosol Optical Depth/thicknessEarth Science > Spectral/engineering > Lidar > Lidar Depolarization RatioEarth Science > Atmosphere > Aerosols > Aerosol BackscatterEarth Science > Atmosphere > Clouds > Cloud Microphysics > Cloud Optical Depth/thickness
- Full Column Profile
- 10 s
- 7.5 m
- 844.5 THz, 774.7 THz, 734.8 THz
- https://www.arm.gov/publications/tech_reports/handbooks/rl_handbook.pdf
Rob Newsom
Rob Newsom, Ray Bambha
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data center outside NASA
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