The OPAL lidar mobile laboratory at the 1999 Atlanta EPA SuperSite.

Comparison of OPAL and in situ measurements at 3 locations.

Nd:YAG-Based Ozone Profiling Atmospheric Lidar (OPAL)

Applications

• Ozone formation/evolution monitoring
• Ozone transport studies
• Aerosol in polluted areas

Field Projects

Basic Parameters Measured

• Ozone concentration profiles
• Particle backscatter profiles

Typical Specifications

Specifications were different before 1999.

References

Zhao, Y., R.D. Marchbanks, and R.M. Hardesty, "ETL's Transportable Lower Troposphere Ozone Lidar and Its Applications in Air Quality Studies." 42nd SPIE Annual meeting, Application of Lidar to Current Atmospheric Topics II, Proceedings of SPIE #3127, July 1997, 53-62.

Zhao, Y., R.M. Hardesty, and J.E. Gaynor, "Demonstration of a new and Innovative Ozone Lidar's Capability to Measure Vertical Profiles of Ozone Concentration and Aerosol in the Lower Troposphere." Final report to the California Air Resources Board, December 1994.

Zhao, Y., R.M. Hardesty and M.J. Post, "A Multibeam Transmitter for Signal Dynamic Range Reduction in Incoherent Lidar Systems." Applied Optics 45:7623-7632 (1992).

Zhao, Y., J.N. Howell, and R.M. Hardesty, "Transportable Lidar for the Measurement of Ozone Concentration and Aerosol Profiles in the Lower Troposphere." A&WMA/SPIE International Symposium on Optical Sensing for Environmental Monitoring, October 11-14, 1993, Atlanta, Georgia, 310-320.