The Southern Oxidants Research Program on Ozone Non-Attainment (SORP-ONA) field study was held in Atlanta, Georgia, during the summer of 1992. SORP-ONA was the first in a series of intensive studies to characterize urban ozone in the South as a part of the Southern Oxidants Study (SOS). The University of Michigan Doppler Lidar was stationed on the Georgia Tech Campus during the study and measured aerosol profiles with approximately 15-minute temporal resolution. A study of mixing in the urban boundary layer determined that aerosol and presumably chemical constituents are not always well-mixed as expected and that some structure does exist. A technique for separation of aerosol and molecular scattered signal for retrieval of aerosol profiles is described. Additionally, a technique is introduced to estimate boundary layer mixing height which shows excellent correlation with rawinsonde potential temperature profile estimates of mixing height.
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