Search Results - "Kellerman, Adam"
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Trapped Electron Energy Inferred From Cosmic Noise Absorption Signals Through Drift‐Time Analysis in Empirical Electric and Semi‐Empirical Magnetic Fields
Published in Journal of geophysical research. Space physics (01-03-2021)“…Riometers are ground‐based passive radio receivers that detect cosmic noise emanating from distant stars and galaxies. Some of the radiowave energy from these…”
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2
Wave-induced loss of ultra-relativistic electrons in the Van Allen radiation belts
Published in Nature communications (28-09-2016)“…The dipole configuration of the Earth’s magnetic field allows for the trapping of highly energetic particles, which form the radiation belts. Although…”
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3
Multi‐MeV electron loss in the heart of the radiation belts
Published in Geophysical research letters (16-02-2017)“…Significant progress has been made in recent years in understanding acceleration mechanisms in the Earth's radiation belts. In particular, a number of studies…”
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4
The dynamics of Van Allen belts revisited
Published in Nature physics (01-02-2018)Get full text
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5
Combined convective and diffusive simulations: VERB‐4D comparison with 17 March 2013 Van Allen Probes observations
Published in Geophysical research letters (28-11-2015)“…This study is focused on understanding the coupling between different electron populations in the inner magnetosphere and the various physical processes that…”
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6
Unusual stable trapping of the ultrarelativistic electrons in the Van Allen radiation belts
Published in Nature physics (01-11-2013)“…The Van Allen radiation belts are two rings of charged particles encircling the Earth. Therefore the transient appearance in 2012 of a third ring between the…”
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7
NMR Reveals Functionally Relevant Thermally Induced Structural Changes within the Native Ensemble of G‑CSF
Published in Molecular pharmaceutics (05-09-2022)“…Structure–function relationships in proteins refer to a trade-off between stability and bioactivity, molded by evolution of the molecule. Identifying which…”
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8
An Event on Simultaneous Amplification of Exohiss and Chorus Waves Associated With Electron Density Enhancements
Published in Journal of geophysical research. Space physics (01-11-2018)“…Whistler mode exohiss are the structureless hiss waves observed outside the plasmapause with featured equatorward Poynting flux. An event of the amplification…”
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9
Modeling Field Line Curvature Scattering Loss of 1–10 MeV Protons During Geomagnetic Storms
Published in Journal of geophysical research. Space physics (01-04-2024)“…The proton radiation belt contains high fluxes of adiabatically trapped protons varying in energy from ∼one to hundreds of megaelectron volts (MeV). At large…”
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Adiabatic Invariants Calculations for Cluster Mission: A Long‐Term Product for Radiation Belts Studies
Published in Journal of geophysical research. Space physics (01-02-2020)“…The Cluster mission has produced a large data set of electron flux measurements in the Earth's magnetosphere since its launch in late 2000. Electron fluxes are…”
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On the Initial Enhancement of Energetic Electrons and the Innermost Plasmapause Locations: Coronal Mass Ejection‐Driven Storm Periods
Published in Journal of geophysical research. Space physics (01-11-2018)“…Using Van Allen Probes' observations and established plasmapause location (Lpp) models, we investigate the relationship between the location of the initial…”
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12
Using Application Usability Levels to support tracking the health of Heliophysics
Published in Frontiers in astronomy and space sciences (22-03-2023)“…The Application Usability Level (AUL) framework describes how a project advances from basic research to operation-ready applications. Here we expand upon the…”
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Application Usability Levels: A Framework for Tracking Project Product Progress
Published in Journal of space weather and space climate (2019)“…The space physics community continues to grow and become both more interdisciplinary and more intertwined with commercial and government operations. This has…”
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14
Investigation of the Solid-State Interactions in Lyophilized Human G‑CSF Using Hydrogen–Deuterium Exchange Mass Spectrometry
Published in Molecular pharmaceutics (01-04-2024)“…Hydrogen/deuterium exchange mass spectrometry (HDX-MS) previously elucidated the interactions between excipients and proteins for liquid granulocyte colony…”
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Parametrization of Energetic Ion and Electron Fluxes in the Near‐Earth Magnetotail
Published in Journal of geophysical research. Space physics (01-09-2023)“…The near‐Earth plasma sheet region is the main source of energetic (tens to hundreds keV) ion and electron populations transported by convection and injections…”
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Application of a new data operator-splitting data assimilation technique to the 3-D VERB diffusion code and CRRES measurements
Published in Geophysical research letters (16-10-2013)“…In this study we present 3‐D data assimilation using CRRES data and 3‐D Versatile Electron Radiation Belt Model (VERB) using a newly developed…”
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Characteristics of Substorm‐Onset‐Related and Nonsubstorm Earthward Fast Flows and Associated Magnetic Flux Transport: THEMIS Observations
Published in Journal of geophysical research. Space physics (01-03-2021)“…Substorms are closely associated with fast flows; however, many fast flows are not associated with substorm onsets and only lead to a localized, transient, and…”
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Comparison of Energetic Electron Fluxes Measured by GPS and THEMIS Spacecraft in the Inner Magnetosphere
Published in Journal of geophysical research. Space physics (01-10-2022)“…Key elements of space weather models are energetic electron fluxes in the inner magnetosphere and the outer radiation belt. Flux depletion is driven by various…”
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Combined convective and diffusive simulations: VERB-4D comparison with 17 March 2013 Van Allen Probes observations: VERB-4D
Published in Geophysical research letters (19-11-2015)“…Our study focused on understanding the coupling between different electron populations in the inner magnetosphere and the various physical processes that…”
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20
Opening the Black Box of the Radiation Belt Machine Learning Model
Published 19-01-2023“…Many Machine Learning (ML) systems, especially neural networks, are fundamentally regarded as black boxes since it is difficult to grasp how they function once…”
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