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Testing Lidar-Radar Derived Drop Sizes Against In Situ Measurements, Mary Amanda Shaw
Testing Lidar-Radar Derived Drop Sizes Against In Situ Measurements, Mary Amanda Shaw
Dissertations, Master's Theses and Master's Reports
How well can a co-located lidar and radar retrieve a drop size distribution in drizzling clouds? To answer, we mimic scattering from a laboratory cloud to retrieve a lidar-radar effective diameter. Using only the shape parameter of the gamma-distributed drops, the mean diameter of the drops can be estimated from lidar-radar effective diameter to within a few percent of the true mean. In practice, the shape parameter of the gamma distribution is not known. To set bounds, mean diameters were calculated from the lidar-radar effective diameter using a range of in situ measured gamma shape parameters. The estimated means varied …