Search Results - "FRY, D. C"
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On the Evolution of Coronal Mass Ejections in the Interplanetary Medium
Published in The Astrophysical journal (20-09-2007)“…Two coronal mass ejections (CMEs) are presented which were tracked through the LASCO field of view (FOV) within 30 R [unk] and later as interplanetary CMEs…”
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Three-dimensional global simulation of interplanetary coronal mass ejection propagation from the Sun to the heliosphere: Solar event of 12 May 1997
Published in Journal of Geophysical Research - Space Physics (01-09-2007)“…A newly developed hybrid code, HAFv.2+3DMHD, that combines two simulation codes, Hakamada‐Akasofu‐Fry code version 2 (HAFv.2) and a fully three‐dimensional…”
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Forecasting solar wind structures and shock arrival times using an ensemble of models
Published in Journal of Geophysical Research - Space Physics (01-02-2003)“…Forecasting the time of arrival at Earth of interplanetary shocks following solar metric type II activity is an important first step in the establishment of an…”
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Operational validation of HAFv2's predictions of interplanetary shock arrivals at Earth: Declining phase of Solar Cycle 23
Published in Journal of Geophysical Research - Space Physics (01-05-2009)“…This is the third in a series of papers showing the performance of the Hakamada‐Akasofu‐Fry version 2 (HAFv2) model in predicting, in the operational…”
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5
Improvements to the HAF solar wind model for space weather predictions
Published in Journal of Geophysical Research: Space Physics (01-10-2001)“…We have assembled and tested, in real time, a space weather modeling system that starts at the Sun and extends to the Earth through a set of coupled, modular…”
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Near real-time predictions of the arrival at Earth of flare-related shocks during Solar Cycle 23
Published in Journal of Geophysical Research - Space Physics (01-11-2006)“…The arrival times at Earth of 166 flare‐related shocks identified exiting the Sun (using metric radio drift data) during the maximum phase of Solar Cycle 23,…”
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Statistical analysis of corotating interaction regions and their geoeffectiveness during solar cycle 23
Published in Journal of Geophysical Research - Space Physics (01-08-2008)“…This is an investigation of the effects of corotating interaction regions (CIRs) in the heliosphere (<1 AU) on geomagnetic disturbances during solar cycle 23…”
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Effects of solar X-ray flares in the E region ionosphere of Mars: First model results
Published in Journal of Geophysical Research: Space Physics (01-05-2012)“…We have used radio occultation data obtained from Mars Global Surveyor (MGS) at high latitudes (65.3°–65.6°N, 69.3°–69.6°N and 76.4°–77.5°N) to study the…”
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9
Study of CME Propagation in the Inner Heliosphere: SOHO LASCO, SMEI and STEREO HI Observations of the January 2007 Events
Published in Solar physics (01-05-2009)“…We are investigating the geometric and kinematic characteristics of interplanetary coronal mass ejections (ICMEs) using data obtained by the LASCO…”
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A practical database method for predicting arrivals of “average” interplanetary shocks at Earth
Published in Journal of Geophysical Research - Space Physics (01-01-2009)“…A practical database method for predicting the interplanetary shock arrival time at L1 point is presented here. First, a shock transit time database…”
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Solar Mass Ejection Imager (SMEI) observations of coronal mass ejections (CMEs) in the heliosphere
Published in Journal of Geophysical Research - Space Physics (01-12-2006)“…The Solar Mass Ejection Imager (SMEI) on the Coriolis spacecraft has been obtaining white light images of nearly the full sky every 102 minutes for three…”
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12
Chandra Observations of Comet 2P/Encke 2003: First Detection of a Collisionally Thin, Fast Solar Wind Charge Exchange System
Published in The Astrophysical journal (20-12-2005)“…We report the results of 15 hr of Chandra observations of comet 2P/Encke 2003 on November 24. X-ray emission from comet Encke was resolved on scales of…”
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13
Annual TEC variation in the equatorial anomaly region during the solar minimum: September 1996–August 1997
Published in Journal of atmospheric and solar-terrestrial physics (01-02-2004)“…The ionospheric total electron content (TEC) in the equatorial anomaly region is studied by analyzing dual-frequency signals from the global position system…”
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14
A statistical study of the performance of the Hakamada-Akasofu-Fry version 2 numerical model in predicting solar shock arrival times at Earth during different phases of solar cycle 23
Published in Annales geophysicae (1988) (27-02-2012)“…The performance of the Hakamada Akasofu-Fry, version 2 (HAFv.2) numerical model, which provides predictions of solar shock arrival times at Earth, was…”
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15
Examination of type II origin with SOHO/LASCO observations
Published in Journal of Geophysical Research - Space Physics (01-12-2005)“…We examine a possibility that metric type II solar radio bursts are all caused by coronal mass ejection (CME) generated shocks. For this we consider 129 type…”
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Effects of the interaction and evolution of interplanetary shocks on “background” solar wind speeds
Published in Journal of Geophysical Research - Space Physics (01-12-2006)“…Solar wind speed plays an important role in the study of space weather prediction. Some workers have used it for measuring the arrival time of solar…”
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Predicting interplanetary shock arrivals at Earth, Mars, and Venus: A real-time modeling experiment following the solar flares of 5–14 December 2006
Published in Journal of Geophysical Research - Space Physics (01-06-2008)“…A 3‐D, kinematic, solar wind model (Hakamada‐Akasofu‐Fry version 2 (HAFv.2)) is used to predict interplanetary shock arrivals at Venus, Earth, and Mars during…”
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18
A statistical comparison of interplanetary shock and CME propagation models
Published in Journal of Geophysical Research - Space Physics (01-12-2003)“…We have compared the prediction capability of two types of Sun‐Earth connection models: (1) ensemble of physics‐based shock propagation models (STOA, STOA‐2,…”
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Heliospheric energetic particle observations during the October–November 2003 events
Published in Journal of Geophysical Research - Space Physics (01-09-2005)“…The intense level of solar activity recorded from 19 October to 12 November 2003 led to unusually high energetic particle intensities observed throughout the…”
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Flare-generated shock evolution and geomagnetic storms during the “Halloween 2003 epoch”: 29 October to 2 November
Published in Journal of Geophysical Research - Space Physics (01-09-2005)“…The October/November 2003 (“Halloween 2003”) epoch of intense solar flares provided an opportunity to test the results of earlier parametric 1.5 MHD studies of…”
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