Annales Geophysicae: atmospheres, hydrospheres and space sciences | CU Experts

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Solar wind magnetic holes can cross the bow shock and enter the magnetosheath 2022
Dayside magnetopause reconnection and flux transfer events under radial interplanetary magnetic field (IMF): BepiColombo Earth-flyby observations 2022
Lower-thermosphere-ionosphere (LTI) quantities: current status of measuring techniques and models 2021
Seasonal evolution of winds, atmospheric tides, and Reynolds stress components in the Southern Hemisphere mesosphere-lower thermosphere in 2019 2021
Helium in the Earth's foreshock: a global Vlasiator survey 2020
Dust observations with antenna measurements and its prospects for observations with Parker Solar Probe and Solar Orbiter 2019
On the relative roles of dynamics and chemistry governing the abundance and diurnal variation of low-latitude thermospheric nitric oxide 2019
On the variability of the semidiurnal solar and lunar tides of the equatorial electrojet during sudden stratospheric warmings 2018
A statistical study of the spatial distribution and source-region size of chorus waves using Van Allen Probes data 2018
Semidiurnal solar tide differences between fall and spring transition times in the Northern Hemisphere 2018
Transfer entropy and cumulant-based cost as measures of nonlinear causal relationships in space plasmas: applications to Dst 2018
Magnetic depression and electron transport in an ion-scale flux rope associated with Kelvin-Helmholtz waves 2018
Geomagnetic activity and local time dependence of the distribution of ultra low-frequency wave power in azimuthal wavenumbers, m 2017
Comparisons between high-resolution profiles of squared refractive index gradient M-2 measured by the Middle and Upper Atmosphere Radar and unmanned aerial vehicles (UAVs) during the Shigaraki UAV-Radar Experiment 2015 campaign 2017
Large-scale gravity wave perturbations in the mesopause region above Northern Hemisphere midlatitudes during autumnal equinox: a joint study by the USU Na lidar and Whole Atmosphere Community Climate Model 2017
Vertical wavenumber spectra of three-dimensional winds revealed by radiosonde observations at midlatitude 2017
Electrodynamic influence on the diurnal behaviour of neutral daytime airglow emissions 2016
Simultaneous observations of structure function parameter of refractive index using a high-resolution radar and the DataHawk small airborne measurement system 2016
Calculating ultra-low-frequency wave power of the compressional magnetic field vs. L and time: multi-spacecraft analysis using the Van Allen probes, THEMIS and GOES 2016
Multi-satellite simultaneous observations of magnetopause and atmospheric losses of radiation belt electrons during an intense solar wind dynamic pressure pulse 2016
Variations of Kelvin waves around the TTL region during the stratospheric sudden warming events in the Northern Hemisphere winter 2016
A physical explanation for the magnetic decrease ahead of dipolarization fronts 2015
Dual-spacecraft reconstruction of a three-dimensional magnetic flux rope at the Earth's magnetopause 2015
Estimating along-track plasma drift speed from electron density measurements by the three Swarm satellites 2015
GPS phase scintillation at high latitudes during geomagnetic storms of 7-17 March 2012-Part 1: The North American sector 2015
GPS phase scintillation at high latitudes during geomagnetic storms of 7-17 March 2012-Part 2: Interhemispheric comparison 2015
Magnetohydrodynamic modeling of three Van Allen Probes storms in 2012 and 2013 2015
Observational evidence of quasi-27-day oscillation propagating from the lower atmosphere to the mesosphere over 20 degrees N 2015
Observations of thermosphere and ionosphere changes due to the dissipative 6.5-day wave in the lower thermosphere 2015
Self-consistent electrostatic simulations of reforming double layers in the downward current region of the aurora 2015
Vlasov simulations of trapping and loss of auroral electrons 2015
WHU VHF radar observations of the diurnal tide and its variability in the lower atmosphere over Chongyang (114.14 degrees E, 29.53 degrees N), China 2015
Nonlinear interaction of gravity waves in a nonisothermal and dissipative atmosphere 2014
Spatial and seasonal variability of medium- and high-frequency gravity waves in the lower atmosphere revealed by US radiosonde data 2014
A nonlinear interaction event between a 16-day wave and a diurnal tide from meteor radar observations 2013
Frequency variations of gravity waves interacting with a time-varying tide 2013
Global climatological variability of quasi-two-day waves revealed by TIMED/SABER observations 2013
The complete spectrum of the equatorial electrojet related to solar tides: CHAMP observations 2013
Solar wind plasma interaction with solar probe plus spacecraft 2012
A mechanism for heating electrons in the magnetopause current layer and adjacent regions 2011
Performance of the HOMME dynamical core in the aqua-planet configuration of NCAR CAM4: equatorial waves 2011
Distortions of the magnetic field by storm-time current systems in Earth's magnetosphere 2010
Impact of the Southeast Asian summer monsoon strength on the outflow of aerosols from South Asia 2010
On the 3-D reconstruction of Coronal Mass Ejections using coronagraph data 2010
On the seasonal dependence of relativistic electron fluxes 2010
Quasi-parallel whistler mode waves observed by THEMIS during near-earth dipolarizations 2009
Different magnetospheric modes: solar wind driving and coupling efficiency 2009
Mass analysis of charged aerosol particles in NLC and PMSE during the ECOMA/MASS campaign 2009
Observation of an inner magnetosphere electric field associated with a BBF-like flow and PBIs 2009
Plasma boundary variability at Mars as observed by Mars Global Surveyor and Mars Express 2009
Raindrop size distribution variability estimated using ensemble statistics 2009
Rosetta and Mars Express observations of the influence of high solar wind pressure on the Martian plasma environment 2009
A study of fine structure of diffuse aurora with ALIS-FAST measurements 2008
Magnetic configurations of the tilted current sheets in magnetotail 2008
Observations of artificial and natural optical emissions at the HAARP facility 2008
Towards understanding the electrodynamics of the 3-dimensional high-latitude ionosphere: present and future 2008
A new method for studying the thermospheric density variability derived from CHAMP/STAR accelerometer data for magnetically active conditions 2007
Observations at geosynchronous orbit of a persistent Pc5 geomagnetic pulsation and energetic electron flux modulations 2007
Early VLF perturbations observed in association with elves 2006
Precipitation and total power consumption in the ionosphere: Global MHD simulation results compared with Polar and SNOE observations 2006
Simulating radial diffusion of energetic (MeV) electrons through a model of fluctuating electric and magnetic fields 2006
The field of the equatorial electrojet from CHAMP data 2006
Artificial optical emissions at HAARP for pump frequencies near the third and second electron gyro-harmonic 2005
Cluster magnetotail observations of a tailward-travelling plasmoid at substorm expansion phase onset and field aligned currents in the plasma sheet boundary layer 2005
Evolution of the dispersionless injection boundary associated with substorms 2005
Fine-time energetic electron behavior observed by Cluster/RAPID in the magnetotail associated with X-line formation and subsequent current disruption 2005
Observations of the April 2002 geomagnetic storm by the global network of incoherent scatter radars 2005
Optical observations geomagnetically conjugate to sprite-producing lightning discharges 2005
Relation between the ring current and the tail current during magnetic storms 2005
Climatological lower thermosphere winds as seen by ground-based and space-based instruments 2004
Coordinated polar spacecraft, geosynchronous spacecraft, and ground-based observations of magnetopause processes and their coupling to the ionosphere 2004
EMMA - the Electric and Magnetic Monitor of the Aurora on Astrid-2 2004
High- and mid-latitude quasi-2-day waves observed simultaneously by four meteor radars during summer 2000 2004
Interplanetary magnetic field control of dayside transient event occurrence and motion in the ionosphere and magnetosphere 2004
Long-term evolution of magnetospheric current systems during storms 2004
Magnetospheric reconnection driven by solar wind pressure fronts 2004
Monthly mean climatology of the prevailing winds and tides in the Arctic mesosphere/lower thermosphere 2004
On the semiannual and annual variations of geomagnetic activity and components 2004
Antarctic air over New Zealand following vortex breakdown in 1998 2003
Observation of an unusual mid-stratospheric aerosol layer in the Arctic: possible sources and implications for polar vortex dynamics 2003
Multi-site observations of the association between aurora and plasma convection in the cusp/polar cap during a southeastward(By ~ -Bz-) IMF orientation 2003
Electromagnetic waves and bursty electron acceleration: implications from Freja 2002
First results from the RAPID imaging energetic particle spectrometer on board Cluster 2001
SuperDARN convection and Sondrestrom plasma drift 2001
Magnetospheric response to the solar wind as indicated by the cross-polar potential drop and the low-latitude asymmetric disturbance field 2001
Annual and semiannual variations in the ionospheric F2-layer. I. Modelling 2000
Annual and semiannual variations in the ionospheric F2-layer: II. Physical discussion 2000
Intradiurnal wind variations observed in the lower thermosphere over the South Pole 2000
Intradiurnal wind variations observed in the lower thermosphere over the South Pole 2000
Observations of plasma density structures in association with the passage of traveling convection vortices and the occurrence of large plasma jets 1999
A slow mode wave as a possible source of Pi 2 and associated particle precipitation: a case study 1999
Global transport and localized layering of metallic ions in the upper atmosphere 1999
Transient eastward-propagating long-period waves observed over the South Pole 1998
Transient eastward-propagating long-period waves observed over the South Pole 1998
The summertime 12-h wind oscillation with zonal wavenumber s=1 in the lower thermosphere over the South Pole 1998
An initial response of magnetic fields at geosynchronous orbit to Pi 2 onset as observed from the dip-equator 1998
An intercomparison between the GSWM, UARS, and ground based radar observations: a case-study in January 1993 1997
Diurnal tidal variability in the upper mesosphere and lower thermosphere 1997
Special topic - Second Workshop on Wind Measurements in the Middle Atmosphere 13-16 May 1996 1997
Upper atmosphere tidal oscillations due to latent heat release in the tropical troposphere 1997
Auroral precipitation fading before and at substorm onset: ionospheric and geostationary signatures 1997
A study of the Joule and Lorentz inputs in the production of atmospheric gravity waves in the upper thermosphere 1997
The response of the magnetosphere to the passage of a coronal mass ejection on March 20-21 1990 1997
Variations in the polar cap area during intervals of substorm activity on 20-21 March 1990 deduced from AMIE convection patterns 1996
N-2 and M(2) lunar tides: Atmospheric resonance revisited 1996
Dispersive O+ conics observed in the plasma-sheet boundary layer with CRRES/LOMICS during a magnetic storm 1996
FRACTAL GEOMETRY AND SEA-FLOOR TOPOGRAPHY - THEORETICAL CONCEPTS VERSUS DATA-ANALYSIS FOR THE JUAN-DE-FUCA RIDGE AND THE EAST PACIFIC RISE 1993
ELECTRIC-POTENTIAL PATTERNS DEDUCED FOR THE SUNDIAL PERIOD OF SEPTEMBER 23-26, 1986 1990
Observations of plasma vortices in the vicinity of flow-braking: a case study 2008
Monthly mean climatology of the prevailing winds and tides in the 2004
Zonal mean and tidal dynamics from space: an empirical examination of aliasing and sampling issues 1996

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