Browsing Research publications by Author "Wandinger, U."

Now showing items 1-20 of 48

    • The 16 April 2010 major volcanic ash plume over central Europe : EARLINET lidar and AERONET photometer observations at Leipzig and Munich, Germany 

      Ansmann, A.; Tesche, Matthias; Gross, S.; Freudenthaler, V.; Seifert, P.; Hiebsch, A.; Schmidt, J.; Wandinger, U.; Mattis, I.; Mueller, D.; Wiegner, M. (2010-07-15)
      The optically thickest volcanic ash plume ever measured over Germany was monitored with multiwavelength Raman lidars and Sun photometer at Leipzig and Munich. When this ash layer, originating from the Eyjafjoll eruptions ...

    • Aerosol-type-dependent lidar ratios observed with Raman lidar 

      Mueller, D.; Ansmann, A.; Mattis, I.; Tesche, Matthias; Wandinger, U.; Althausen, D.; Pisani, G. (2007-08-17)
      [1] We summarize our Raman lidar observations which were carried out in Europe, Asia, and Africa during the past 10 years, with focus on particle extinction-to-backscatter ratios ( lidar ratios) and (A) over circle ngstrom ...

    • Ash and fine-mode particle mass profiles from EARLINET-AERONET observations over central Europe after the eruptions of the Eyjafjallajökull volcano in 2010 

      Ansmann, A.; Tesche, Matthias; Seifert, P.; Gross, Silke; Freudenthaler, V.; Apituley, A.; Wilson, K. M.; Serikov, I.; Linné, H.; Heinold, B.; Hiebsch, A.; Schnell, F.; Schmidt, J.; Mattis, I.; Wandinger, U.; Wiegner, M. (2011-01-01)
      A combined lidar-photometer method that permits the retrieval of vertical profiles of ash and non-ash (fine-mode) particle mass concentrations is presented. By using a polarization lidar, the contributions of non-ash and ...

    • Characterization of atmospheric aerosols with multiwavelength Raman lidar 

      Mueller, D.; Mattis, I.; Kolgotin, Alexei; Ansmann, Albert; Wandinger, U.; Althausen, D. (SPIE, 2007)
      Multiwavelength Raman lidar observations have matured into a powerful tool for the vertical resolved characterization of optical and microphysical properties of atmospheric aerosol particles. Raman lidars that operate with ...

    • Cirrus optical properties observed with lidar, radiosonde, and satellite over the tropical Indian Ocean during the aerosol-polluted northeast and clean maritime southwest monsoon 

      Seifert, P.; Ansmann, A.; Mueller, D.; Wandinger, U.; Althausen, D.; Heymsfield, A. J.; Massie, S. T.; Schmitt, C. (2007-09-14)
      Cirrus formation and geometrical and optical properties of tropical cirrus as a function of height and temperature are studied on the basis of INDOEX ( Indian Ocean Experiment) lidar and radiosonde measurements and satellite ...

    • Closure study on optical and microphysical properties of a mixed urban and Arctic haze air mass observed with Raman lidar and Sun photometer 

      Mueller, D.; Mattis, I.; Ansmann, A.; Wehner, B.; Althausen, D.; Wandinger, U.; Dubovik, O. (2004-07)
      [1] We present a comprehensive optical and microphysical characterization of an intense haze event observed over Leipzig ( 51.3 degreesN, 12.4 degreesE), Germany, in April 2002. This event was characterized by unusually ...

    • Co-ordinated vertical profiling of Saharan dust over western and central Europe with a continental lidar network : The 11-16 October 2001 outbreak 

      Ansmann, Albert; Bosenberg, J.; Chaikovsky, Anatoly; Eixmann, R.; Freudenthaler, Volker; Garcia-Vizcaino, D.; Komguem, L.; Linne, Holger; Matthias, M.; Mattis, I.; Mitev, Valentin; Mueller, D.; Munoz, C.; Nickovic, S.; Pelon, J.; Sauvage, L.; Sobolewsky, P.; Srivastava, M.K.; Vaughan, G.; Wandinger, U.; Wiegner, M. (INST TROPICAL MEDICINE ROTTERDAM - LEIDEN, 2003)
      The spread of mineral particles over southwestern, western, and central Europe resulting from a strong Saharan dust outbreak in October 2001 was observed with the European Aerosol Research Lidar Network (EARLINET). For the ...

    • Daytime operation of a pure rotational Raman lidar by use of a Fabry-Perot interferometer 

      Arshinov, Y.; Bobrovnikov, S.; Serikov, I.; Ansmann, A.; Wandinger, U.; Althausen, D.; Mattis, I.; Mueller, D. (2005-06-10)
      We propose to use a Fabry-Perot interferometer (FPI) in a pure rotational Raman lidar to isolate return signals that are due to pure rotational Raman scattering from atmospheric nitrogen against the sky background. The ...

    • Dual-wavelength Raman lidar observations of the extinction-to-backscatter ratio of Saharan dust 

      Mattis, I.; Ansmann, A.; Mueller, D.; Wandinger, U.; Althausen, D. (2002-05-01)
      [1] For the first time, height profiles of the extinction-to-backscatter ratio (lidar ratio) of desert dust particles were simultaneously measured at 355 and 532 nm. The observations were performed with an advanced Raman ...

    • EARLINET observations of the Eyjafjallajokull ash plume over Europe 

      Pappalardo, Gelsomina; Amodeo, Aldo; Ansmann, Albert; Apituley, Arnoud; Alados Arboledas, Lucas; Balis, Dimitris; Boeckmann, Christine; Chaikovsky, Anatoli; Comeron, Adolfo; D'Amico, Giuseppe; De Tomasi, Ferdinando; Freudenthaler, Volker; Giannakaki, Elina; Giunta, Aldo; Grigorov, Ivan; Gustafsson, Ove; Gross, Silke; Haeffelin, Martial; Iarlori, Marco; Kinne, Stefan; Linne, Holger; Madonna, Fabio; Mamouri, Rodanthi; Mattis, Ina; McAuliffe, Michael; Molero, Francisco; Mona, Lucia; Mueller, D.; Mitev, Valentin; Nicolae, Doina; Papayannis, Alexandros; Perrone, Maria Rita; Pietruczuk, Aleksander; Pujadas, Manuel; Putaud, Jean-Philippe; Ravetta, Francois; Rizi, Vincenzo; Serikov, Ilya; Sicard, Michael; Simeonov, Valentin; Spinelli, Nicola; Stebel, Kerstin; Trickl, Thomas; Wandinger, U.; Wang, Xuan; Wagner, Frank; Wiegner, Matthias (SPIE, 2010)
      EARLINET, the European Aerosol Research Lidar NETwork, established in 2000, is the first coordinated lidar network for tropospheric aerosol study on the continental scale. The network activity is based on scheduled ...

    • EARLINET: the European Aerosol Research Lidar Network for the Aerosol Climatology on Continental Scale 

      Pappalardo, Gelsomina; Boesenberg, Jens; Amodeo, Aldo; Ansmann, Albert; Apituley, Arnoud; Alados Arboledas, Lucas; Balis, Dimitris; Boeckmann, Christine; Chaikovsky, Anatoly; Comeron, Adolfo; D'Amico, Giuseppe; Freudenthaler, Volker; Grigorov, Ivan; Hansen, Georg; Linne, Holger; Kinne, Stefan; Mattis, Ina; Mona, Lucia; Mueller, D.; Mitev, Valentin; Nicolae, Doina; Papayannis, Alexandros; Perrone, Maria Rita; Pietruczuk, Aleksander; Pujadas, Manuel; Putaud, Jean-Philippe; Ravetta, Francois; Rizi, Vincenzo; Simeonov, Valentin; Spinelli, Nicola; Trickl, Thomas; Wandinger, U.; Wiegner, Matthias (American Institute of Physics, 2009)
      Lidar techniques represent the most suitable tool to obtain information on the aerosol vertical distribution and therefore to close this kind of observational gap. Lidar networks are fundamental to study aerosol on large ...

    • European pollution outbreaks during ACE 2 : Lofted aerosol plumes observed with Raman lidar at the Portuguese coast 

      Ansmann, A.; Wagner, F.; Althausen, D.; Mueller, D.; Herber, A.; Wandinger, U. (2001-09-27)
      During the Second Aerosol Characterization Experiment (ACE 2) in the summer of 1997, four pollution outbreaks from the European continent were monitored at Sagres (37 degreesN, 9 degreesW), Portugal, by applying the Raman ...

    • European pollution outbreaks during ACE 2 : Optical particle properties inferred from multiwavelength lidar and star-Sun photometry 

      Ansmann, A.; Wagner, F.; Mueller, D.; Althausen, D.; Herber, A.; von Hoyningen-Huene, W.; Wandinger, U. (2002-08)
      [1] On the basis of multiwavelength backscatter and 532-nm extinction profiling with lidar at Sagres (37degreesN, 9degreesW), southern Portugal, and optical depth observations with a star photometer at the lidar site and ...

    • Evaluation of the Lidar/Radiometer Inversion Code (LIRIC) to determine microphysical properties of volcanic and desert dust 

      Wagner, J.; Ansmann, A.; Wandinger, U.; Seifert, P.; Schwarz, A.; Tesche, Matthias; Chaikovsky, A.; Dubovik, O. (2013-07-22)
      The Lidar/Radiometer Inversion Code (LIRIC) combines the multiwavelength lidar technique with sun/sky photometry and allows us to retrieve vertical profiles of particle optical and microphysical properties separately for ...

    • Evolution of the ice phase in tropical altocumulus : SAMUM lidar observations over Cape Verde 

      Ansmann, A.; Tesche, Matthias; Seifert, P.; Althausen, D.; Engelmann, R.; Fruntke, J.; Wandinger, U.; Mattis, I.; Mueller, D. (2009-09-16)
      The formation of the ice phase in tropical altocumulus has been studied with multiwavelength aerosol-cloud Raman lidar, wind Doppler lidar, and radiosonde, providing information on geometrical and optical properties, cloud ...

    • Four-dimensional distribution of the 2010 Eyjafjallajökull volcanic cloud over Europe observed by EARLINET 

      Pappalardo, G.; Mona, L.; D'Amico, G.; Wandinger, U.; Adam, M.; Amodeo, A.; Ansmann, A.; Apituley, A.; Alados Arboledas, L.; Balis, D.; Boselli, A.; Bravo-Aranda, J. A.; Chaikovsky, A.; Comeron, A.; Cuesta, J.; De Tomasi, F.; Freudenthaler, V.; Gausa, M.; Giannakaki, E.; Giehl, H.; Giunta, A.; Grigorov, I.; Groß, S.; Haeffelin, M.; Hiebsch, A.; Iarlori, M.; Lange, D.; Linné, H.; Madonna, F.; Mattis, I.; Mamouri, R. E.; McAuliffe, M. A. P.; Mitev, V.; Molero, F.; Navas-Guzman, F.; Nicolae, D.; Papayannis, A.; Perrone, M. R.; Pietras, C.; Pietruczuk, A.; Pisani, G.; Preißler, J.; Pujadas, M.; Rizi, V.; Ruth, A. A.; Schmidt, J.; Schnell, F.; Seifert, P.; Serikov, I.; Sicard, M.; Simeonov, V.; Spinelli, N.; Stebel, K.; Tesche, Matthias; Trickl, T.; Wang, X.; Wagner, F.; Wiegner, M.; Wilson, K. M. (2013-04-29)
      The eruption of the Icelandic volcano Eyjafjallaj ökull in April-May 2010 represents a "natural experiment" to study the impact of volcanic emissions on a continental scale. For the first time, quantitative data about the ...

    • Gravity-wave-induced cloud formation in desert dust : Observation with temperature/humidity/aerosol Raman lidar in the framework of earlinet 

      Ansmann, Albert; Mattis, I.; Mueller, D.; Wandinger, U.; Althausen, D. (ESA PUBLICATIONS DIVISION C/O ESTEC, 2004)
      The evolution of three cloud layers that formed during the passage of a gravity wave in a desert dust layer was monitored with an advanced Raman lidar. Dust is characterized in terms of particle optical properties. The ...

    • Ground-based validation of CALIPSO observations of dust and smoke in the Cape Verde region 

      Tesche, Matthias; Wandinger, U.; Ansmann, A.; Althausen, D.; Mueller, D.; Omar, A. H. (2013-04-16)
      Ground-based Raman lidar measurements during the second Saharan Mineral Dust Experiment (SAMUM-2) in 2008 were used for validation of measurements of the lidar aboard the Cloud-Aerosol Lidar and Infrared Pathfinder Satellite ...

    • Ice formation in ash-influenced clouds after the eruption of the Eyjafjallajkull volcano in April 2010 

      Seifert, P.; Ansmann, A.; Gross, Silke; Freudenthaler, V.; Heinold, B.; Hiebsch, A.; Mattis, I.; Schmidt, J.; Schnell, F.; Tesche, Matthias; Wandinger, U.; Wiegner, M. (2011-10-27)
      The influence of volcanic ash on heterogeneous ice nucleation in tropospheric clouds is investigated on the basis of 90 observed cloud cases. The clouds were observed with polarization lidars at the two central-European ...

    • Ice formation in Saharan dust over central Europe observed with temperature/humidity//aerosol Raman lidar 

      Ansmann, A.; Mattis, I.; Mueller, D.; Wandinger, U.; Radlach, M.; Althausen, D.; Damoah, R. (2005-04-26)
      [1] Three gravity-wave-induced clouds and a glaciating altocumulus layer were continuously monitored with lidar at Leipzig, Germany, on 21 November 2003. The midtropospheric clouds formed in Saharan dust at heights from ...