Atmospheric boundary layer (ABL) processes are important in climate, weatherand air quality. A better understanding of the structure and the behavior ofthe ABL is required for understanding and modeling of the chemistry anddynamics of the atmosphere on all scales. Based on the systematic variationsof the ABL structures over different surfaces, different lidar-based methodswere developed and evaluated to determine the boundary layer height andmixing layer height over land and ocean. With Atmospheric RadiationMeasurement Program (ARM) Climate Research Facility (ACRF) micropulse lidar(MPL) and radiosonde measurements, diurnal and season cycles of atmosphericboundary layer depth and the ABL vertical structure over ocean and land areanalyzed. The new methods are then applied to satellite lidar measurements.The aerosol-derived global marine boundary layer heights are evaluated withmarine ABL stratiform cloud top heights and results show a good agreementbetween them.
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