Journal ArticleDOI
The Airborne Demonstrator for the Direct-Detection Doppler Wind Lidar ALADIN on ADM-Aeolus. Part I: Instrument Design and Comparison to Satellite Instrument
Oliver Reitebuch,Christian Lemmerz,Engelbert Nagel,Ulrike Paffrath,Yannig Durand,Martin Endemann,Frederic Fabre,Marc Chaloupy +7 more
TLDR
In this article, the European Space Agency (ESA) decided to implement a Doppler wind lidar mission called the Atmospheric Dynamics Mission Aeolus (ADM-Aeolus) to demonstrate the potential of the doppler lidar technology and the expected impact on numerical weather forecasting.Abstract:
The global observation of profiles of the atmospheric wind speed is the highest-priority unmet need for global numerical weather prediction. Satellite Doppler lidar is the most promising candidate to meet the requirements on global wind profile observations with high vertical resolution, precision, and accuracy. The European Space Agency (ESA) decided to implement a Doppler wind lidar mission called the Atmospheric Dynamics Mission Aeolus (ADM-Aeolus) to demonstrate the potential of the Doppler lidar technology and the expected impact on numerical weather forecasting. An airborne prototype of the instrument on ADM-Aeolus was developed to validate the instrument concept and retrieval algorithms with realistic atmospheric observations before the satellite launch. It is the first airborne direct-detection Doppler lidar for atmospheric observations, and it is operating at an ultraviolet wavelength of 355 nm. The optical design is described in detail, including the single-frequency pulsed laser and th...read more
Citations
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Journal ArticleDOI
Airborne observations of the Eyjafjalla volcano ash cloud over Europe during air space closure in April and May 2010
Ulrich Schumann,Bernadett Weinzierl,Oliver Reitebuch,Hans Schlager,Andreas Minikin,Caroline Forster,Robert Baumann,Thomas Sailer,Kaspar Graf,H. Mannstein,Christiane Voigt,Stephan Rahm,R. Simmet,Monika Scheibe,Michael Lichtenstern,Paul Stock,H. Rüba,Dominik Schäuble,Arnold Tafferner,Marc Rautenhaus,T. Gerz,Helmut Ziereis,M. Krautstrunk,Christian Mallaun,Jean-François Gayet,K. Lieke,Konrad Kandler,Martin Ebert,Stephan Weinbruch,Andreas Stohl,Josef Gasteiger,Silke Groß,Volker Freudenthaler,Matthias Wiegner,Albert Ansmann,Matthias Tesche,Haraldur Ólafsson,K. Sturm +37 more
TL;DR: In this article, the authors performed in-situ measurements of volcanic ash plumes over Europe between Southern Germany and Iceland with the Falcon aircraft during the eruption period of the Eyjafjalla volcano between 19 April and 18 May 2010.
Journal ArticleDOI
Aerosol classification by airborne high spectral resolution lidar observations
Silke Groß,Michael Esselborn,Michael Esselborn,Bernadett Weinzierl,Martin Wirth,Andreas Fix,Andreas Petzold,Andreas Petzold +7 more
TL;DR: In this paper, an aerosol mask was developed that is capable to identify complex stratifications with different aerosol types throughout the atmosphere using high-spectral resolution lidar (HSRL) data.
Journal ArticleDOI
LIDAR-MEASURED WIND PROFILES The Missing Link in the Global Observing System
W. E. Baker,Robert Atlas,Carla Cardinali,Amy C. Clement,G. D. Emmitt,Bruce M. Gentry,R. Michael Hardesty,Erland Källén,Michael J. Kavaya,Rolf H. Langland,Zaizhong Ma,Michiko Masutani,Will McCarty,R. Bradley Pierce,Zhaoxia Pu,Lars Peter Riishojgaard,James M. Ryan,Sara C. Tucker,Martin Weissmann,James G. Yoe +19 more
TL;DR: The European Space Agency (ESA)'s Atmospheric Dynamics Mission Aeolus (ADM-Aeolus) Doppler wind lidar (DWL), now scheduled for launch in 2015, will be a major milestone as mentioned in this paper.
Journal ArticleDOI
The North Atlantic Waveguide and Downstream Impact Experiment
Andreas Schäfler,George C. Craig,Heini Wernli,Philippe Arbogast,James D. Doyle,Ron McTaggart-Cowan,John Methven,Gwendal Rivière,Felix Ament,Maxi Boettcher,Martina Bramberger,Quitterie Cazenave,Richard Cotton,Susanne Crewell,Julien Delanoë,Andreas Dörnbrack,André Ehrlich,Florian Ewald,Andreas Fix,Christian M. Grams,Suzanne L. Gray,Hans Grob,Silke Groß,Martin Hagen,Ben Harvey,Lutz Hirsch,Marek Jacob,Tobias Kölling,Heike Konow,Christian Lemmerz,Oliver Lux,Linus Magnusson,Bernhard Mayer,Mario Mech,Richard W. Moore,Jacques Pelon,Julian F. Quinting,Stephan Rahm,Markus Rapp,Marc Rautenhaus,Oliver Reitebuch,Carolyn A. Reynolds,Harald Sodemann,Thomas Spengler,Geraint Vaughan,Manfred Wendisch,Martin Wirth,Benjamin Witschas,Kevin Wolf,Tobias Zinner +49 more
TL;DR: The North Atlantic Waveguide and Downstream Impact Experiment (NAWDEX) explored the impact of diabatic processes on disturbances of the jet stream and their influence on downstream high-impact weather through the deployment of four research aircraft, each with a sophisticated set of remote-sensing and in situ instruments, and coordinated with a suite of ground-based measurements as discussed by the authors.
Book ChapterDOI
The Spaceborne Wind Lidar Mission ADM-Aeolus
TL;DR: In this paper, a Doppler wind lidar mission named Atmospheric Dynamics Mission ADM-Aeolus is proposed to provide vertical profiles from ground up to the lower stratosphere of one component of the horizontal wind vector, which is perpendicular to the flight track.
References
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Journal ArticleDOI
Measurement of Aerosol Motion and Wind Velocity in the Lower Troposphere by Doppler Optical Radar
TL;DR: An optical radar has been used to measure the radial wind velocity component in the lower troposphere by detecting interferometrically the bulk Doppler shift affecting the echoes from atmospheric aerosols as discussed by the authors.
Journal ArticleDOI
Theory of the double-edge technique for Doppler lidar wind measurement
TL;DR: A method that allows the Rayleigh and aerosol components of the signal to be independently determined and the correction process does not significantly increase the measurement noise for Rayleigh-to-aerosol ratios as high as 10.5 m/s is described.
The Double Edge Technique for Doppler lidar wind measurement
C. Laurence Korb,Bruce M. Gentry,S. Xingfu Li,Cristina Flesia,Huailin Chen,Savyasachee Mathur +5 more
TL;DR: In this paper, the edge measurement is made as a differential frequency measurement between the outgoing laser signal and the atmospheric backscattered return for each pulse, and the measurement is insensitive to laser and edge filter frequency jitter and drift at a level less than a few parts in 10(exp 10).
Journal ArticleDOI
Targeted Observations with an Airborne Wind Lidar
TL;DR: In this article, the possibilities and limitations of airborne Doppler lidar for adaptive observations over the Atlantic Ocean were investigated for the first time, and a scanning 2-μm DoP was applied for targeted measurements during the Atlantic "The Observing System Research and Predictability Experiment" (THORPEX) Regional Campaign (A-TReC) in November and December 2003.
Journal ArticleDOI
Feasibility studies
TL;DR: The trick is to perform the minimum amount of work necessary to determine that the project should be cancelled.
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Theory of the double-edge molecular technique for Doppler lidar wind measurement.
Cristina Flesia,C. Laurence Korb +1 more