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RISObservations of Seven Atmospheric Density Current Fronts in Dixon, California
Publisher: American Meteorological Society
Abstract: even atmospheric density current fronts are identified in sequences of ground-based, scanning aerosol backscatter lidar images and in situ micrometeorological time series data that were collected simultaneously and nearly ...
Two-Dimensional Vector Wind Fields from Volume Imaging Lidar Data
Publisher: American Meteorological Society
Abstract: Spatially resolved wind fields are derived by cross correlation of aerosol backscatter data from horizontal and vertical scans of the University of Wisconsin volume imaging lidar during the 1997/98 Lake-Induced Convection ...
Scanning Eye-Safe Elastic Backscatter Lidar at 1.54 μm
Publisher: American Meteorological Society
Abstract: A field-deployable scanning direct-detection elastic backscatter lidar system that is eye safe at all ranges is presented. The first two-dimensional spatial images created by scanning this new 1.54-?m wavelength system, ...
Observations of Atmospheric Structure and Dynamics in the Owens Valley of California with a Ground-Based, Eye-Safe, Scanning Aerosol Lidar
Publisher: American Meteorological Society
Abstract: First results are presented from the deployment of the NCAR Raman-Shifted Eye-Safe Aerosol Lidar (REAL) in the Owens Valley of California during the Terrain-Induced Rotor Experiment (T-REX) in March and April 2006. REAL ...
Wavelet-Based Optical Flow for Two-Component Wind Field Estimation from Single Aerosol Lidar Data
Publisher: American Meteorological Society
Abstract: motion estimation algorithm was applied to image sequences produced by a horizontally scanning elastic backscatter lidar. The algorithm, a wavelet-based optical flow estimator named Typhoon, produces dense two-component ...
Optimization of the Cross-Correlation Algorithm for Two-Component Wind Field Estimation from Single Aerosol Lidar Data and Comparison with Doppler Lidar
Publisher: American Meteorological Society
Abstract: umerical and field experiments were conducted to test an optimized cross-correlation algorithm (CCA) for the remote sensing of two-component wind vectors from horizontally scanning elastic backscatter lidar data. Each ...
Evaluating Large-Eddy Simulations Using Volume Imaging Lidar Data
Publisher: American Meteorological Society
Abstract: The authors apply data analysis techniques that demonstrate the power of using volume imaging lidar observations to evaluate several aspects of large-eddy simulations (LESs). They present observations and simulations of ...
Application of a Perturbation Recycling Method in the Large-Eddy Simulation of a Mesoscale Convective Internal Boundary Layer
Publisher: American Meteorological Society
Abstract: An arrangement of boundary conditions is described and demonstrated that facilitates the large-eddy simulation (LES) of inhomogeneous boundary layers such as internal boundary layers. In addition to the domain where the ...
Two-Component Horizontal Aerosol Motion Vectors in the Atmospheric Surface Layer from a Cross-Correlation Algorithm Applied to Scanning Elastic Backscatter Lidar Data
Publisher: American Meteorological Society
Abstract: wo-component horizontal motion vectors of aerosol features were calculated by applying a cross-correlation algorithm to square image blocks extracted from consecutive pairs of elastic backscatter lidar scans. The resulting ...
The Lidars in Flat Terrain (LIFT) Experiment
Publisher: American Meteorological Society
Abstract: The authors describe and present early results from the July_August 1996 Lidars in Flat Terrain (LIFT) experiment. LIFT was a boundary layer experiment that made use of recently developed Doppler, aerosol backscatter, and ...