Remote Sensing of Three-dimensional Winds with Elastic Lidar: Explanation of Maximum Cross-correlation Method |
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| Authors: | William T Buttler Cecilia Soriano Jose M Baldasano George H Nickel |
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| Institution: | (1) MS H803, Los Alamos, New Mexico 87545, USA;(2) Laboratory of Environmental Modeling, Technical University of Catalonia (UPC), Avinguda Diagonal 647, 08028 Barcelona, Spain;(3) MS D410, Los Alamos, New Mexico 87545, USA |
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| Abstract: | Maximum cross-correlation provides a method toremotely de-ter-mine high-lyre-solved three-dimensional fields of horizontalwinds with e-las-tic li-darthrough-out large volumes of the planetaryboundary layer (PBL). This paperdetails the technique and shows comparisonsbetween elastic lidar winds, remotelysensed laser Doppler velocimeter (LDV) windprofiles, and radiosonde winds.Radiosonde wind data were acquired at Barcelona,Spain, during the BarcelonaAir-Quality Initiative (1992), and the LDVwind data were acquired at SunlandPark, New Mexico during the 1994 Border AreaAir-Quality Study. Comparisonsshow good agreement between the differentinstruments, and demonstrate the methoduseful for air pollution management at thelocal/regional scale. Elastic lidar windscould thus offer insight into aerosol andpollution transport within the PBL. Lidarwind fields might also be used to nudge orimprove initialization and evaluation ofatmospheric meteorological models. |
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| Keywords: | Lidar Maximum cross-correlation method Mesoscale meteorology Remote wind sensing |
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