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Cold plasma redistribution throughout geospace
Published 2017“…The redistribution of the electrically charged cold plasma of ionospheric origin involves the equatorial, low, mid, auroral, and polar-latitude regions in a multi-step, system-wide process linking the regions of geospace. Observations with ground and space-based instruments characterize the geospace plume-regularly occurring channels of enhanced plasma density flowing at both ionospheric and magnetospheric altitudes. …”
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Multi‐Point Observations of the Geospace Plume
Published 2021“…Simultaneous multi-instrument observations of the redistribution of cold (<2 eV) plasma of ionospheric origin emphasize the role and importance of this system-wide phenomenon in the processes and across the regions of geospace. The geospace plume couples the ionosphere, plasmasphere, and magnetosphere from sub-auroral regions to the magnetopause, on polar field lines and into the magnetotail. …”
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Van Allen Probes Observations of Oxygen Ions at the Geospace Plume
Published 2021“…The geospace plume couples the ionosphere, plasmasphere, and magnetosphere from sub-auroral regions to the magnetopause, on polar field lines, and into the magnetotail. …”
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Geospace system responses to the St. Patrick's Day storms in 2013 and 2015
Published 2018“…This special collection includes 31 research papers investigating geospace system responses to the geomagnetic storms during the St. …”
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Report to the President for year ended June 30, 2023, Haystack Observatory
Published 2024“…This report contains the following sections: Introduction; Strategic Planning Summary; Publications; Funding and Staffing; Astronomy; Geodesy; Geospace; Space Research and Technology; Education and Public Outreach…”
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Report to the President for year ended June 30, 2024, MIT Haystack Observatory
Published 2024“…This report contains the following sections: Introduction, Astronomy, Geodesy, Geospace, Spectrum-related research, Space research and technology, and Education and public outreach.…”
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Subauroral and Polar Traveling Ionospheric Disturbances During the 7–9 September 2017 Storms
Published 2022“…Results suggest that significant dayside sources, such as cusp regions, can be efficient in generating transpolar TIDs during geospace storm intervals.…”
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Remote Sensing of the Heliosphere with the Murchison Widefield Array
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INTERPLANETARY NETWORK LOCALIZATIONS OF KONUS SHORT GAMMA-RAY BURSTS
Published 2015“…Between the launch of the Global Geospace Science Wind spacecraft in 1994 November and the end of 2010, the Konus-Wind experiment detected 296 short-duration gamma-ray bursts (including 23 bursts which can be classified as short bursts with extended emission). …”
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Intrusion rheology in grains and other flowable materials
Published 2017“…The interaction of intruding objects with deformable materials arises in many contexts, including locomotion in fluids and loose media, impact and penetration problems, and geospace applications. Despite the complex constitutive behaviour of granular media, forces on arbitrarily shaped granular intruders are observed to obey surprisingly simple, yet empirical 'resistive force hypotheses'. …”
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Observations of discrete harmonics emerging from equatorial noise
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GEOScan: a geoscience facility from space
Published 2013“…Our analysis shows that the instrument suites evaluated in a constellation configuration onboard the Iridium NEXT satellites are poised to provide major breakthroughs in Earth and geospace science. GEOScan commercial-of-the-shelf instruments provide low-cost space situational awareness and intelligence, surveillance, and reconnaissance opportunities.© (2012) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). …”
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Extreme Ultraviolet Variability Experiment (EVE) on the Solar Dynamics Observatory (SDO): Overview of Science Objectives, Instrument Design, Data Products, and Model Developments...
Published 2016“…The highly variable solar extreme ultraviolet (EUV) radiation is the major energy input to the Earth’s upper atmosphere, strongly impacting the geospace environment, affecting satellite operations, communications, and navigation. …”
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