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On retrieval of lidar extinction profiles using Two-Stream and Raman techniques

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Two-Stream and Raman techniques ACPD 9, 20229–20257, 2009 Two-Stream and Raman techniques I. S. Stachlewska and C. Ritter Title Page Abstract Introduction Conclusions References Tables Figures J I J I Back Close Full Screen / Esc Printer-friendly Version Interactive Discussion Atmos. Chem. Phys. Discuss., 9, 20229–20257, 2009 www.atmos-chem-phys-discuss.net/9/20229/2009/ © Author(s) 2009. This work is distributed under the Creative Commons Attribution 3.0 License. Atmospheric Chemistry and Physics Discussions This discussion paper is/has been under review for the journal Atmospheric Chemistry and Physics (ACP). Please refer to the corresponding final paper in ACP if available. On retrieval of lidar extinction profiles using Two-Stream and Raman techniques I. S. Stachlewska1,2 and C. Ritter1 1Alfred Wegener Institute for Polar and Marine Research, Telegrafenberg A43, 14473 Potsdam, Germany 2Institute of Geophysics, Faculty of Physics, University of Warsaw, Pasteura 7, 02-093 Warsaw, Poland Received: 8 July 2009 – Accepted: 14 September 2009 – Published: 28 September 2009 Correspondence to: I. S. Stachlewska ([email protected]) Published by Copernicus Publications on behalf of the European Geosciences Union. 20229 ACPD 9, 20229–20257, 2009 Two-Stream and Raman techniques I. S. Stachlewska and C. Ritter Title Page Abstract Introduction Conclusions References Tables Figures J I J I Back Close Full Screen / Esc Printer-friendly Version Interactive Discussion Abstract The Two-Stream technique employes simultaneous measurements performed by two elastic backscatter lidars aiming at each other to sample into the same atmosphere. It allows for a direct retrieval of the extinction coefficient profile from the ratio of the two involved lidar signals. During a few Alfred-Wegener-Institute’s (AWI) campaigns5 dedicated to the Arctic research, the AWI’s Polar 2 aircraft with the integrated on- board nadir-aimin

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