Synonyms were used for: Research
Search without synonyms: title: Journal of Geophysical Research

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    Large-Amplitude Mountain Waves in the Mesosphere Accompanying Weak Cross-Mountain Flow During DEEPWAVE Research Flight RF22

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    Fritts, David C. / Vosper, Simon B. / Williams, Bifford P. et al. | German Aerospace Center (DLR) | 2018
    and the German Aerospace Center Falcon. The measurements were obtained during Falcon flights FF9 and FF10 and GV Research Flight RF22 of the ...

    Magnetic Properties of Asteroid (162173) Ryugu

    Free access
    Hercik, D. / Auster, H-U. / Constantinescu, D. et al. | German Aerospace Center (DLR) | 2020
    Observations of the magnetization state of asteroids indicate diverse properties. Values between 1.9 × 10−6 Am2/kg (Eros) and 10−2Am2/kg ...

    Gravity-Wave-Driven Seasonal Variability of Temperature Differences Between ECMWF IFS and Rayleigh Lidar Measurements in the Lee of the Southern Andes

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    Gisinger, Sonja / Polichtchouk, Inna / Dörnbrack, Andreas et al. | German Aerospace Center (DLR) | 2022
    Long-term high-resolution temperature data of the Compact Rayleigh Autonomous Lidar (CORAL) is used to evaluate temperature and gravity ...

    Mesospheric Mountain Wave Activity in the Lee of the Southern Andes

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    Pautet, P.-D. / Taylor, M. / Fritts, David C. et al. | German Aerospace Center (DLR) | 2021
    during several recent observation campaigns, but many questions remain concerning their impacts on the upper atmosphere, and the effects of the ...

    Impact of parametrizing microphysical processes in the jet and vortex phase on contrail cirrus properties and radiative forcing

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    Bier, Andreas / Burkhardt, Ulrike | German Aerospace Center (DLR) | 2022
    impact on the properties and the life cycle of contrail cirrus. For current soot number emissions, ice nucleation is controlled by the number of ...

    Not all clear air turbulence is Kolmogorov - The fine-scale nature of atmospheric turbulence

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    Rodriguez Imazio, Paola / Mininni, Pablo / Godoy, Alejandro et al. | German Aerospace Center (DLR) | 2023
    We study a strong clear air turbulence (CAT) event experienced by the German High-Altitude Long-Range research aircraft (HALO) during the ...

    High-Cadence Lidar Observations of Middle Atmospheric Temperature and Gravity Waves at the Southern Andes Hot Spot

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    Reichert, Robert / Kaifler, Bernd / Kaifler, Natalie et al. | German Aerospace Center (DLR) | 2021
    . Exceptional wave events were observed in winter, resulting in temperature deviations from the monthly mean of 25K to 55K. GW potential energies show ...

    Reply to Comment on 'Nucleation of mesospheric cloud particles: Sensitivities and limits'

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    Wilms, Henrike / Rapp, Markus / Kirsch, Annekatrin | German Aerospace Center (DLR) | 2019
    The nucleation process of noctilucent clouds (NLCs) is not yet understood in detail. Furthermore, there seems to be disagreement on how the ...
    Keywords: Sensitivity of NLC

    Far‐Ranging Impact of Mountain Waves Excited Over Greenland on Stratospheric Dehydration and Rehydration

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    Kivi, Rigel / Dörnbrack, Andreas / Sprenger, Michael et al. | German Aerospace Center (DLR) | 2020
    In situ observations of reduced stratospheric water vapor combined with those of ice particle formation are rarely conducted. On the one ...

    High‐Resolution Aircraft Observations of Turbulence and Waves in the Free Atmosphere and Comparison With Global Model Predictions

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    Dörnbrack, Andreas / Bechtold, Peter / Schumann, Ulrich | German Aerospace Center (DLR) | 2022
    . Here we find a slightly better correlation of the CAT prediction with the HALO research aircraft observations compared to those of commercial ...

    Lidar observations of stratospheric gravity waves from 2011 to 2015 at McMurdo (77.84°S, 166.69°E), Antarctica: 1. Vertical wavelengths, periods, and frequency and vertical wave number spectra

    Free access
    Zhao, Jian / Chu, Xinzhao / Chen, Cao et al. | German Aerospace Center (DLR) | 2017
    Five years of atmospheric temperature data, collected with an Fe Boltzmann lidar by the University of Colorado group from 2011 to 2015 at ...

    Mapping and Interpretation of Sinlap Crater on Titan Using Cassini VIMS and Radar Data

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    Le Mouélic, Stephane / Paillou, Philippe / Janssen, Michael et al. | German Aerospace Center (DLR) | 2008

    Clear Air Turbulence Observed Across a Tropopause Fold Over the Drake Passage—A Case Study

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    Rodriguez Imazio, Paola / Dörnbrack, Andreas / Urzua, Rodrigo Delgado et al. | German Aerospace Center (DLR) | 2022
    profiles of a near-simultaneous radiosonde profile and numerical results from global and regional numerical weather prediction (NWP) models ...

    Mesospheric temperature during the extreme mid-latitude noctilucent cloud event on 18/19 July 2016

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    Kaifler, Natalie / Kaifler, Bernd / Wilms, Henrike et al. | German Aerospace Center (DLR) | 2018
    CORAL Rayleigh lidar. Strong southward winds due to a quasi 2-day planetary wave allowed for the influx of mesospheric polar air to mid ...

    Secondary Gravity Waves Generated by Breaking Mountain Waves Over Europe

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    Heale, Chistopher J. / Bossert, K. / Vadas, S. L. et al. | German Aerospace Center (DLR) | 2020
    representing opposite tidal phases. The aim of the simulation is to investigate the breaking of the mountain wave and subsequent generation of ...

    Variability in Contrail Ice Nucleation and Its Dependence on Soot Number Emissions

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    Bier, Andreas / Burkhardt, Ulrike | German Aerospace Center (DLR) | 2019
    on microphysical processes, optical properties, lifetime, and, therefore, on the climate impact of contrail cirrus. We study contrail ice ...

    Does Strong Tropospheric Forcing Cause Large-Amplitude Mesospheric Gravity Waves? A DEEPWAVE Case Study

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    Bramberger, Martina / Dörnbrack, Andreas / Bossert, Katrina et al. | German Aerospace Center (DLR) | 2017
    On 4 July 2014, during the Deep Propagating Gravity Wave Experiment (DEEPWAVE), strong low-level horizontal winds of up to 35 m s−1 over ...

    Momentum Flux Estimates Accompanying Multi-Scale Gravity Waves over Mt. Cook, New Zealand on 13 July 2014 during the DEEPWAVE Campaign

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    Bossert, Katrina / Fritts, David C. / Pautet, Pierre-Dominique et al. | German Aerospace Center (DLR) | 2015
    Observations performed with a Rayleigh lidar and an Advanced Mesosphere Temperature Mapper aboard the NSF/NCAR Gulfstream V research ...

    Snow scattering signals in ground-based passive microwave radiometer measurements

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    Kneifel, Stefan / Löhnert, Ulrich / Battaglia, Alessandro et al. | German Aerospace Center (DLR) | 2010
    This paper investigates the influence of snow microphysical parameters on the enhancement of groundâÂÂbased passive microwave brightness ...

    Conservative integrals of adiabatic Durran’s equations

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    Smolarkiewicz, P.K. / Dörnbrack, A. | German Aerospace Center (DLR) | 2008
    provides a unique theoretical tool - useful for research of geophysical and stellar flows - within the existing set of reduced, Boussinesq-type ...