Search Results - "Fuller, T. J"
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Interaction between direct penetration and disturbance dynamo electric fields in the storm-time equatorial ionosphere
Published in Geophysical research letters (01-09-2005)“…The direct penetration of the high‐latitude electric field to lower latitudes, and the disturbance dynamo, both play a significant role in restructuring the…”
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2
Modeling Equatorial F‐Region Ionospheric Instability Using a Regional Ionospheric Irregularity Model and WAM‐IPE
Published in Journal of geophysical research. Space physics (01-09-2022)“…This paper uses a regional simulation of plasma convective instability in the postsunset equatorial ionosphere together with a global…”
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3
Midnight density and temperature maxima, and thermospheric dynamics in Whole Atmosphere Model simulations
Published in Journal of Geophysical Research: Space Physics (01-08-2010)“…Hydrostatic expansion in a gravity field of an atmospheric layer with elevated temperatures, such as the long known thermospheric midnight temperature maximum…”
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4
Tidal variability in the lower thermosphere: Comparison of Whole Atmosphere Model (WAM) simulations with observations from TIMED
Published in Geophysical research letters (01-02-2008)“…The upper atmosphere and ionosphere exhibit variability on spatial and temporal scales characteristic of tides and planetary waves originating in the lower…”
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5
Midnight temperature maximum (MTM) in Whole Atmosphere Model (WAM) simulations
Published in Geophysical research letters (16-04-2009)“…Discovered almost four decades ago, the midnight temperature maximum (MTM) with typical magnitudes of 50–100 K has been regularly observed by satellite and…”
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6
Impact of terrestrial weather on the upper atmosphere
Published in Geophysical research letters (01-05-2008)“…A whole atmosphere model has been developed to demonstrate the impact of terrestrial weather on the upper atmosphere. The dynamical core is based on the NWS…”
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7
Effect of Magnetic Storm Related Thermospheric Changes on the Evolution of Equatorial Plasma Bubbles
Published in Journal of geophysical research. Space physics (01-03-2019)“…Past efforts to predict scintillations on VHF and L‐band radio signals recorded at equatorial and low‐latitude stations have been mostly based on a theoretical…”
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8
The "thermospheric spoon": A mechanism for the semiannual density variation
Published in Journal of Geophysical Research (01-03-1998)“…A mechanism is proposed to explain the cause of the global, semiannual thermospheric density variation. It is suggested that the global‐scale, interhemispheric…”
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9
Dynamic and energetic coupling in the equatorial ionosphere and thermosphere
Published in Journal of Geophysical Research - Space Physics (01-11-2003)“…A three‐dimensional coupled model of the global ionosphere and thermosphere has been used to examine the importance of ion drag parallel to the geomagnetic…”
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10
Validation of the STORM response in IRI2000
Published in Journal of Geophysical Research - Space Physics (01-03-2003)“…The latest version of the International reference ionosphere, IRI2000 [Bilitza, 2001], contains a dependence on geomagnetic activity based on an empirical…”
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Annual and semiannual variations in the ionospheric F2-layer : II. Physical discussion
Published in Annales geophysicae (1988) (01-08-2000)“…The companion paper by Zou et al. shows that the annual and semiannual variations in the peak F2-layer electron density (NmF2) at midlatitudes can be…”
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12
Thermospheric zonal mean winds and tides revealed by CHAMP
Published in Geophysical research letters (28-05-2013)“…We present direct, global observations of longitudinally averaged CHAMP zonal winds gathered between 2003 and 2007. A diurnal variation dominates the global…”
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13
STORM: An empirical storm-time ionospheric correction model 1. Model description
Published in Radio science (01-10-2002)“…Using data from 75 ionosonde stations and 43 storms, and based on the knowledge gained from simulations from a physically based model, we have developed an…”
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14
Characteristics of the ionospheric variability as a function of season, latitude, local time, and geomagnetic activity
Published in Radio science (01-10-2005)“…An ionospheric F2 critical frequency database has been assembled to determine the variability of the F region as a function of local time, latitude, season,…”
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15
An investigation into the influence of tidal forcing on F region equatorial vertical ion drift using a global ionosphere-thermosphere model with coupled electrodynamics
Published in Journal of Geophysical Research: Space Physics (01-11-2001)“…A recent development of the coupled thermosphere‐ionosphere‐plasmasphere model (CTIP) has been the inclusion of the electrodynamic coupling between the…”
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STORM: An empirical storm-time ionospheric correction model 2. Validation
Published in Radio science (01-10-2002)“…STORM is an empirical ionospheric correction model designed to capture the changes in F region electron density during geomagnetic storms. The model is driven…”
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17
First forecast of a sudden stratospheric warming with a coupled whole-atmosphere/ionosphere model IDEA
Published in Journal of geophysical research. Space physics (01-03-2014)“…We present the first “weather forecast” with a coupled whole‐atmosphere/ionosphere model of Integrated Dynamics in Earth's Atmosphere (IDEA) for the January…”
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First simulations with a whole atmosphere data assimilation and forecast system: The January 2009 major sudden stratospheric warming
Published in Journal of Geophysical Research: Space Physics (01-12-2011)“…A Whole atmosphere Data Assimilation System (WDAS) is used to simulate the January 2009 sudden stratospheric warming (SSW). WDAS consists of the Whole…”
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Annual and semiannual variations in the ionospheric F2-layer. I. Modelling
Published in Annales geophysicae (1988) (01-08-2000)“…Annual, seasonal and semiannual variations of F2-layer electron density (NmF2) and height (hmF2) have been compared with the coupled…”
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20
A markerless motion capture system can reliably determine peak trunk flexion while squatting with and without a weighted vest
Published in Journal of biomechanics (01-05-2023)“…Markerless motion capture has improved physical screening efficiency in sport and occupational settings; however, reliability of kinematic measurements from…”
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