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

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    Scientific results of the Viking project. Special issue of the journal of geophysical res.

    Tema Archive | 1977
    Die aus dem Journal of Geophysical Research abgedruckten Fachaufsaetze behandeln folgende Themengruppen: Raumflug-Bildaufzeichnungen ...

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

    Free access
    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

    Free access
    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 ...

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

    Free access
    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 ...

    Mesospheric Mountain Wave Activity in the Lee of the Southern Andes

    Free access
    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 ...

    The idea of Space Weather – A historical perspective

    Kane, R.P. | Elsevier | 2006
    one to have introduced the term seems to be Thomas Gold of Harvard College Observatory, in a 1959 publication in the Journal of ...

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

    Free access
    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

    Free access
    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 ...

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

    Free access
    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

    Free access
    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 ...

    Response of OH, O2 and OI5577 airglow emissions to the mesospheric bore in the equatorial region of Brazil

    Medeiros, A.F. / Fechine, J. / Buriti, R.A. et al. | Elsevier | 2005
    complementary effects suggested by Dewan and Picard [E.M. Dewan, R.H. Picard, Mesospheric bores. Journal of Geophysical Research 103, 6295–6305, 1998 ...

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

    Free access
    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 ...

    On the formation of Io’s inner torus

    Cowee, M.M. / Wang, Y.-L. / Russell, C.T. et al. | Elsevier | 2005
    outer torus. The [Wang, Y.-L., Russell, C.T., Raeder, J. The Io mass loading disk: model calculations. Journal of Geophysical Research 106 ...

    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 ...

    GLGM-3: A Degree-ISO Lunar Gravity Model from the Historical Tracking Data of NASA Moon Orbiters

    Mazarico, E. / Lemoine, F. G. / Han, Shin-Chan et al. | NTRS | 2010
    In preparation for the radio science experiment of the Lunar Reconnaissance Orbiter (LRO) mission, we analyzed the available radio tracking ...

    Early Prediction of Geomagnetic Storms

    Collins, D. / Feynman, J. | NTRS | 2000
    questions about the physics of space weather and also both provide and validate a system for early warning of hazardous space weather. ...

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

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

    IPL Processing of the Viking Orbiter Images of Mars

    Ruiz, R. M. / Elliott, D. A. / Yagi, G. M. et al. | NTRS | 1977
    The Viking orbiter cameras returned over 9000 images of Mars during the 6-month nominal mission. Digital image processing was required to ...

    An improved value of the lunar moment of inertia

    Blackshear, W. T. / Gapcynski, J. P. | NTRS | 1977
    The lunar gravitational research reported on by Gapcynski et al., (1975) has been extended to include an additional 600 days of the time ...

    Tesseral harmonics of the Earth's gravitational field from camera tracking of satellites.

    Kaula, W. M. | NTRS | 1966
    Tesseral harmonics of Earth gravitational field camera tracking of five satellites ...

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

    Free access
    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 ...

    Viking Imaging of Phobos and Deimos: An Overview of the Primary Mission

    Duxbury, T. C. / Veverka, J. | NTRS | 1977
    During the Viking primary mission the cameras on the two orbiters acquired about 50 pictures of the two Martian moons. The Viking images of ...

    A comparison of Theory and Observation of the Echo I Satellite

    Bryant, R. | NTRS | 1961
    Comparison of theory and observation of the echo I satellite ...

    Secondary Gravity Waves Generated by Breaking Mountain Waves Over Europe

    Free access
    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

    Free access
    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 ...

    The extended mission of Viking

    Snyder, C. W. | NTRS | 1979
    The extended mission of the Viking project emphasizing the study of weather on Mars is presented. Samples were acquired for the analysis of ...

    Statistical study of precipitating electrons

    Fontheim, E. G. / Stasiewicz, K. / Chandler, M. O. et al. | NTRS | 1982

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

    Free access
    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 ...

    Behavior of the ionospheric F region during the great solar flare of August 7, 1972

    Mendillo, M. / Klobuchar, J. A. / Fritz, R. B. et al. | NTRS | 1974

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

    Free access
    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 ...

    Total emittance of lunar fines.

    Birkebak, R. C. / Abdulkadir, A. | NTRS | 1972
    Description of the technique and discussion of the results of measurements of the total emittance of Apollo 11, 12, and 14 samples of ...

    Polarimetric measurements of simulated lunar surfaces.

    Egan, W. G. | NTRS | 1967
    Polarimetric properties of simulated lunar surface, showing polarization effect on particle size ...

    Discussion of paper by A. E. Ringwood, Petrogenesis of Apollo 11 basalts and implications for lunar origin.

    Singer, S. F. | NTRS | 1971
    Critical review of statements put forward by Ringwood about the origin of the moon. The composition of the lunar basalts is discussed, and ...

    Mapping the Thermal Behavior of the Martian Middle Atmosphere

    Martin, T. / Murphy, J. / Hollingsworth, J. | NTRS | 2000
    continously since the start of the mapping phase in May 1999. ...

    Photoelectron excitation of the Jupiter dayglow.

    Olivero, J. J. / Bass, J. N. / Green, A. E. S. | NTRS | 1973

    Coordinates of features on the Galilean satellites

    Davies, M. E. / Katayama, F. Y. | NTRS | 1981
    Control nets of the four Galilean satellites have been established photogrammetrically from pictures taken by the two Voyager spacecraft ...