We have combined soundings of boundary layer thermodynamic structure, ozonesonde profiles, 5-minute surface ozone measurements, and ozone measurements from airborne lidar to investigate the temporal and spatial structure of ozone in the atmospheric boundary layer. The data were collected during the 2000 Texas Air Quality Study in the vicinity of Houston, Texas. Spectral analysis of time series of the surface and lidar data show the variation of scales of ozone variability with height. We also use variogram analysis applied to the lidar data to show the degree of coupling between heights in the boundary layer and relate these results to mean thermodynamic structure.