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|Title:||Vertical Versus Scanning Lidar Measurements in Horizontal Homogeneous Atmosphere|
|Citation:||APPLIED OPTICS vol. 51 no. 19 p. 4491-4500|
|Publisher:||OPTICAL SOC AMER|
|Type:||Articles in periodicals and books|
|Abstract:||The study is aimed to compare the aerosol backscatter and extinction coefficients as retrieved from vertical elastic and Raman channels with those derived from multi-angle measurements acquired by elastic channels. Simulated vertical signals at 355nm, 387nm, 532nm and 607nm are employed. For multi-angle measurements, records at 15 elevation angles are simulated at 355nm and 532nm. The atmosphere is considered horizontally homogeneous stratified. For backscatter coefficient, far-end solution, aerosol backscatter ratio solution and multi-angle solution are considered. For extinction coefficient, the retrievals from Raman channel and from multi-angle measurements are compared. The comparison shows that in the presence of horizontal homogeneity, multi-angle measurements provide more reliable results. The uncertainty in the measured signals is considered in an alternative approach to quantify the relative error of the retrieved profiles with respect to the models (linear regression between retrieval and model).|
|JRC Directorate:||Energy, Transport and Climate|
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