Search Results - "Schäfler, Andreas"

Mixing at the extratropical tropopause as characterized by collocated airborne H2O and O3 lidar observations by Schäfler, Andreas, Fix, Andreas, Wirth, Martin

“…The composition of the extratropical transition layer (ExTL), which is the transition zone between the stratosphere and the troposphere in the midlatitudes,…”
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Calibrations and Wind Observations of an Airborne Direct-Detection Wind LiDAR Supporting ESA’s Aeolus Mission by Marksteiner, Uwe, Lemmerz, Christian, Lux, Oliver, Rahm, Stephan, Schäfler, Andreas, Witschas, Benjamin, Reitebuch, Oliver

“…The Aeolus satellite mission of the European Space Agency (ESA) has brought the first wind LiDAR to space to satisfy the long-existing need for global wind…”
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Classifying stages of cirrus life-cycle evolution by Urbanek, Benedikt, Groß, Silke, Schäfler, Andreas, Wirth, Martin

“…Airborne lidar backscatter data is used to determine in- and out-of-cloud regions. Lidar measurements of water vapor together with model temperature fields are…”
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Airborne direct-detection and coherent wind lidar measurements over the North Atlantic in 2015 supporting ESA’s aeolus mission by Marksteiner, Uwe, Reitebuch, Oliver, Lemmerz, Christian, Lux, Oliver, Rahm, Stephan, Witschas, Benjamin, Schäfler, Andreas, Emmitt, Dave, Greco, Steve, Kavaya, Michael J., Gentry, Bruce, Neely, Ryan R., Kendall, Emma, Schüttemeyer, Dirk

“…The launch of the Aeolus mission by the European Space Agency (ESA) is planned for 2018. The satellite will carry the first wind lidar in space, ALADIN…”
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Impact of the inflow moisture on the evolution of a warm conveyor belt by Schäfler, Andreas, Harnisch, Florian

“…This case study of a warm conveyor belt (WCB) event that was probed on a research flight during the THORPEX (The Observing‐System Research and Predictability…”
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How stratospheric are deep stratospheric intrusions? LUAMI 2008 by Trickl, Thomas, Vogelmann, Hannes, Fix, Andreas, Schäfler, Andreas, Wirth, Martin, Calpini, Bertrand, Levrat, Gilbert, Romanens, Gonzague, Apituley, Arnoud, Wilson, Keith M, Begbie, Robert, Reichardt, Jens, Vömel, Holger, Sprenger, Michael

“…A large-scale comparison of water-vapour vertical-sounding instruments took place over central Europe on 17 October 2008, during a rather homogeneous deep…”
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Mixing at the extratropical tropopause as characterized by collocated airborne H 2 O and O 3 lidar observations by Schäfler, Andreas, Fix, Andreas, Wirth, Martin

“…The composition of the extratropical transition layer (ExTL), which is the transition zone between the stratosphere and the troposphere in the midlatitudes,…”
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Lagrangian matches between observations from aircraft, lidar and radar in a warm conveyor belt crossing orography by Boettcher, Maxi, Schäfler, Andreas, Sprenger, Michael, Sodemann, Harald, Kaufmann, Stefan, Voigt, Christiane, Schlager, Hans, Summa, Donato, Di Girolamo, Paolo, Nerini, Daniele, Germann, Urs, Wernli, Heini

“…Warm conveyor belts (WCBs) are important airstreams in extratropical cyclones, often leading to the formation of intense precipitation and the amplification of…”
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Diabatic generation of negative potential vorticity and its impact on the North Atlantic jet stream by Harvey, Ben, Methven, John, Sanchez, Claudio, Schäfler, Andreas

“…Localised regions of negative potential vorticity (PV) are frequently seen on the equatorward flank of the upper‐tropospheric jet streams in analysis and…”
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Case study on the influence of synoptic-scale processes on the paired H 2 O–O 3 distribution in the UTLS across a North Atlantic jet stream by Schäfler, Andreas, Sprenger, Michael, Wernli, Heini, Fix, Andreas, Wirth, Martin

“…During a research flight of the Wave-driven ISentropic Exchange (WISE) campaign, which was conducted over the eastern North Atlantic on 1 October 2017, the…”
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Mixing at the extratropical tropopause as characterized by collocated airborne H.sub.2O and O.sub.3 lidar observations by Schäfler, Andreas, Fix, Andreas, Wirth, Martin

“…The composition of the extratropical transition layer (ExTL), which is the transition zone between the stratosphere and the troposphere in the midlatitudes,…”
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Case study on the influence of synoptic-scale processes on the paired H.sub.2O-O.sub.3 distribution in the UTLS across a North Atlantic jet stream by Schäfler, Andreas, Sprenger, Michael, Wernli, Heini, Fix, Andreas, Wirth, Martin

“…During a research flight of the Wave-driven ISentropic Exchange (WISE) campaign, which was conducted over the eastern North Atlantic on 1 October 2017, the…”
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Case study on the influence of synoptic-scale processes on the paired H2O–O3 distribution in the UTLS across a North Atlantic jet stream by Schäfler, Andreas, Sprenger, Michael, Wernli, Heini, Fix, Andreas, Wirth, Martin

“…During a research flight of the Wave-driven ISentropic Exchange (WISE) campaign, which was conducted over the eastern North Atlantic on 1 October 2017, the…”
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Vertical structure of the lower-stratospheric moist bias in the ERA5 reanalysis and its connection to mixing processes by Krüger, Konstantin, Schäfler, Andreas, Wirth, Martin, Weissmann, Martin, Craig, George C

“…Numerical weather prediction (NWP) models are known to possess a distinct moist bias in the mid-latitude lower stratosphere, which is expected to affect the…”
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Validation of the Aeolus L2B wind product with airborne wind lidar measurements in the polar North Atlantic region and in the tropics by Witschas, Benjamin, Lemmerz, Christian, Geiß, Alexander, Lux, Oliver, Marksteiner, Uwe, Rahm, Stephan, Reitebuch, Oliver, Schäfler, Andreas, Weiler, Fabian

“…During the first 3 years of the European Space Agency's Aeolus mission, the German Aerospace Center (Deutsches Zentrum für Luft- und Raumfahrt, DLR) performed…”
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Planning aircraft measurements within a warm conveyor belt by Schäfler, Andreas, Boettcher, Maxi, Grams, Christian M., Rautenhaus, Marc, Sodemann, Harald, Wernli, Heini

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Retrieval improvements for the ALADIN Airborne Demonstrator in support of the Aeolus wind product validation by Lux, Oliver, Lemmerz, Christian, Weiler, Fabian, Marksteiner, Uwe, Witschas, Benjamin, Rahm, Stephan, Geiß, Alexander, Schäfler, Andreas, Reitebuch, Oliver

“…The realization of the European Space Agency's Aeolus mission was supported by the long-standing development and field deployment of the Atmospheric LAser…”
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Quality control and error assessment of the Aeolus L2B wind results from the Joint Aeolus Tropical Atlantic Campaign by Lux, Oliver, Witschas, Benjamin, Geiß, Alexander, Lemmerz, Christian, Weiler, Fabian, Marksteiner, Uwe, Rahm, Stephan, Schäfler, Andreas, Reitebuch, Oliver

“…Since the start of the European Space Agency's Aeolus mission in 2018, various studies were dedicated to the evaluation of its wind data quality and…”
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Airborne wind lidar observations over the North Atlantic in 2016 for the pre-launch validation of the satellite mission Aeolus by Lux, Oliver, Lemmerz, Christian, Weiler, Fabian, Marksteiner, Uwe, Witschas, Benjamin, Rahm, Stephan, Schäfler, Andreas, Reitebuch, Oliver

“…In preparation of the satellite mission Aeolus carried out by the European Space Agency, airborne wind lidar observations have been performed in the frame of…”
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THE NORTH ATLANTIC WAVEGUIDE AND DOWNSTREAM IMPACT EXPERIMENT by Schäfler, Andreas, Craig, George, Wernli, Heini, Arbogast, Philippe, Doyle, James D., McTaggart-Cowan, Ron, Methven, John, Rivière, Gwendal, Ament, Felix, Boettcher, Maxi, Bramberger, Martina, Cazenave, Quitterie, Cotton, Richard, Crewell, Susanne, Delanoë, Julien, Dörnbrack, Andreas, Ehrlich, André, Ewald, Florian, Fix, Andreas, Grams, Christian M., Gray, Suzanne L., Grob, Hans, Groß, Silke, Hagen, Martin, Harvey, Ben, Hirsch, Lutz, Jacob, Marek, Kölling, Tobias, Konow, Heike, Lemmerz, Christian, Lux, Oliver, Magnusson, Linus, Mayer, Bernhard, Mech, Mario, Moore, Richard, Pelon, Jacques, Quinting, Julian, Rahm, Stephan, Rapp, Markus, Rautenhaus, Marc, Reitebuch, Oliver, Reynolds, Carolyn A., Sodemann, Harald, Spengler, Thomas, Vaughan, Geraint, Wendisch, Manfred, Wirth, Martin, Witschas, Benjamin, Wolf, Kevin, Zinner, Tobias

“…The North Atlantic Waveguide and Downstream Impact Experiment (NAWDEX) explored the impact of diabatic processes on disturbances of the jet stream and their…”
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