Browsing by Author "Mueller, D."

Now showing items 21-40 of 133

    • Comparison of the radiative impact of aerosols derived from vertically resolved (lidar) and vertically integrated (Sun photometer) measurements : Example of an Indian aerosol plume 

      Wagner, F.; Mueller, D.; Ansmann, A. (2001-10-16)
      Radiative forcing calculations both at the top of the atmosphere (TOA) and at the surface were done for vertically varying particle properties and their approximation through vertically constant properties. The data sets ...

    • Correction to “Volcanic aerosol layers observed with multiwavelength Raman lidar over central Europe in 2008–2009” 

      Mattis, Ina; Seifert, Patric; Mueller, D.; Tesche, Matthias; Hiebsch, Anja; Kanitz, Thomas; Schmidt, Joerg; Finger, Fanny; Wandinger, Ulla; Ansmann, Albert (2010-10-13)

    • 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 ...

    • Depolarization ratio profiling at several wavelengths in pure Saharan dust during SAMUM 2006 

      Freudenthaler, Volker; Esselborn, Michael; Wiegner, Matthias; Heese, Birgit; Tesche, Matthias; Ansmann, Albert; Mueller, D.; Althausen, Dietrich; Wirth, Martin; Fix, Andreas; Ehret, Gerhard; Knippertz, Peter; Toledano, Carlos; Gasteiger, Josef; Garhammer, Markus; Seefeldner, Andmeinhard (2009-02)
      Vertical profiles of the linear particle depolarization ratio of pure dust clouds were measured during the Saharan Mineral Dust Experiment (SAMUM) at Ouarzazate, Morocco (30.9 degrees N, -6.9 degrees E), close to source ...

    • Depolarization Ratio Retrievals Using AERONET Sun Photometer Data 

      Lee, Kyung-Hwa; Mueller, D.; Noh, Young-Min; Shin, Sung-Kyun; Shin, Dong-Ho (2010-09)
      We present linear particle depolarization ratios (LPDRs) retrieved from measurements with an AERONET Sun photometer at the Gwangju Institute of Science and Technology (GIST), Korea (35.10 degrees N, 126.53 E) between 19 ...

    • Desert dust aerosol air mass mapping in the western Sahara, using particle properties derived from space-based multi-angle imaging 

      Kahn, Ralph; Petzold, Andreas; Wendisch, Manfred; Bierwirth, Eike; Dinter, Tilman; Esselborn, Michael; Fiebig, Marcus; Heese, Birgit; Knippertz, Peter; Mueller, D.; Schladitz, Alexander; Hoyningen-Huene, Andwolfgang Von (2009-02)
      Coincident observations made over the Moroccan desert during the Sahara mineral dust experiment (SAMUM) 2006 field campaign are used both to validate aerosol amount and type retrieved from multi-angle imaging spectroradiometer ...

    • Dual-FOV Raman and Doppler lidar studies of aerosol-cloud interactions : Simultaneous profiling of aerosols, warm-cloud properties, and vertical wind 

      Schmidt, Jörg; Ansmann, Albert; Bühl, Johannes; Baars, Holger; Wandinger, Ulla; Mueller, D.; Malinka, Aleksey V. (2014-05-16)
      For the first time, colocated dual-field of view (dual-FOV) Raman lidar and Doppler lidar observations (case studies) of aerosol and cloud optical and microphysical properties below and within thin layered liquid water ...

    • 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 ...

    • Dust and smoke transport from Africa to South America : Lidar profiling over Cape Verde and the Amazon rainforest 

      Ansmann, Albert; Baars, Holger; Tesche, Matthias; Mueller, D.; Althausen, Dietrich; Engelmann, Ronny; Pauliquevis, Theotonio; Artaxo, Paulo (2009-06-02)
      Quasi-simultaneous vertically resolved multiwavelength aerosol Raman lidar observations were conducted in the near field (Praia, Cape Verde, 15 degrees N, 23.5 degrees W) and in the far field (Manaus, Amazon basin, Brazil, ...

    • Dust mobilization and transport in the northern Sahara during SAMUM 2006 - a meteorological overview 

      Knippertz, Peter; Ansmann, Albert; Althausen, Dietrich; Mueller, D.; Tesche, Matthias; Bierwirth, Eike; Dinter, Tilman; Mueller, Thomas; Von Hoyningen-Huene, Wolfgang; Schepanski, Kerstin; Wendisch, Manfred; Heinold, Bernd; Kandler, Konrad; Petzold, Andreas; Schuetz, Lothar; Tegen, Ina (2009-02)
      The SAMUM field campaign in southern Morocco in May/June 2006 provides valuable data to study the emission, and the horizontal and vertical transports of mineral dust in the Northern Sahara. Radiosonde and lidar observations ...

    • EARLINET correlative measurements for CALIPSO 

      Mattis, Ina; Mona, Lucia; Mueller, D.; Pappalardo, Gelsomina; Alados Arboledas, Lucas; D'Amico, Giuseppe; Amodeo, Aldo; Apituley, Arnoud; Maria Baldasano, Jose; Boeckmann, Christine; Boesenbergg, Jens; Chaikovsky, Anatoli; Comeron, Adolfo; Giannakaki, Elina; Grigorov, Ivan; Guerrero Rascado, Juan Luis; Gustafsson, Ove; Iarlori, Marco; Linne, Holger; Mitev, Valentin; Molero Menendez, Francisco; Nicola, Doina; Papayannis, Alexandros; Perez Garcia-Pando, Carlos; Perrone, Maria Rita; Pietruczuk, Aleksander; Putaud, Jean-Philippe; Ravetta, Francois; Rodriguez, Alejandro; Seifert, Patric; Sicard, Michael; Simeonov, Valentin; Sobolewski, Piotr; Spinelli, Nicola; Stebel, Kerstin; Stohl, Andreas; Tesche, Matthias; Trickl, Thomas; Wang, Xuan; Wiegner, Matthias (SPIE, 2007)
      The European Aerosol Research Lidar Network (EARLINET) was established in 2000 to derive a comprehensive, quantitative, and statistically significant data base for the aerosol distribution on the European scale. At present, ...

    • EARLINET observations of the 14-22-May long-range dust transport event during SAMUM 2006 : validation of results from dust transport modelling 

      Mueller, D.; Heinold, B.; Tesche, Matthias; Tegen, I.; Althausen, D.; Arboledas, L. Alados; Amiridis, V.; Amodeo, A.; Ansmann, A.; Balis, D.; Comeron, A.; D'amico, G.; Gerasopoulos, E.; Guerrero-Rascado, J. L.; Freudenthaler, V.; Giannakaki, E.; Heese, B.; Iarlori, M.; Knippertz, P.; Mamouri, R. E.; Mona, L.; Papayannis, A.; Pappalardo, G.; Perrone, R. -M.; Pisani, G.; Rizi, V.; Sicard, M.; Spinelli, N.; Tafuro, A.; Wiegner, M. (2009-02)
      We observed a long-range transport event of mineral dust from North Africa to South Europe during the Saharan Mineral Dust Experiment (SAMUM) 2006. Geometrical and optical properties of that dust plume were determined with ...

    • 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 (AIP), 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 ...

    • Effect of internal mixture on black carbon radiative forcing 

      Chung, Chul E.; Lee, Kyunghwa; Mueller, D. (2012-01)
      The effects of coating on black carbon (BC) optical properties and global climate forcing are revisited with more realistic approaches. We use the Generalized Multiparticle Mie method along with a realistic size range of ...

    • Eruption of the Eyjafjallajokull Volcano in spring 2010 : Multiwavelength Raman lidar measurements of sulphate particles in the lower troposphere 

      Navas-Guzman, F.; Mueller, D.; Bravo-Aranda, J. A.; Guerrero-Rascado, J. L.; Granados-Munoz, M. J.; Perez-Ramirez, D.; Olmo, F. J.; Alados-Arboledas, L. (2013-02-27)
      A fraction of the volcanic plume that originated from the Eyjafjallajokull volcanic eruption on Iceland in 2010 reached the southern Iberian Peninsula in May 2010. The plume was monitored and characterized in terms of ...

    • Estimation of radiative forcing by the dust and non-dust content in mixed East Asian pollution plumes on the basis of depolarization ratios measured with lidar 

      Noh, Young M.; Mueller, D.; Lee, Hanlim; Lee, KwonHo; Kim, Kwanchul; Shin, Sungkyun; Kim, Young J. (2012-12)
      The contribution of dust and non-dust aerosols to the lidar observed total backscattering was estimated from the linear particle depolarization ratios (delta(p)) under the assumption of externally mixed aerosols. During ...

    • 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 : Microphysical particle properties and single-scattering albedo inferred from multiwavelength lidar observations 

      Mueller, D.; Ansmann, A.; Wagner, F.; Franke, K.; Althausen, D. (2002-08-06)
      We present vertically resolved physical particle properties and the single-scattering albedo at 532 nm of pollution plumes advected from the European continent out over the Atlantic Ocean. The parameters follow from the ...

    • 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 ...