Search Results - "Ridley, A. J."
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MAGNETOSPHERIC STRUCTURE AND ATMOSPHERIC JOULE HEATING OF HABITABLE PLANETS ORBITING M-DWARF STARS
Published in The Astrophysical journal (20-07-2014)“…We study the magnetospheric structure and the ionospheric Joule Heating of planets orbiting M-dwarf stars in the habitable zone using a set of…”
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The Response of the Ionosphere‐Thermosphere System to the 21 August 2017 Solar Eclipse
Published in Journal of geophysical research. Space physics (01-08-2019)“…We simulated the effects of the 21 August 2017 total solar eclipse on the ionosphere‐thermosphere system with the Global Ionosphere Thermosphere Model (GITM)…”
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The global ionosphere–thermosphere model
Published in Journal of atmospheric and solar-terrestrial physics (01-05-2006)“…The recently created global ionosphere–thermosphere model (GITM) is presented. GITM uses a three-dimensional spherical grid that can be stretched in both…”
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Pulmonary inflammation promoted by type-2 dendritic cells is a feature of human and murine schistosomiasis
Published in Nature communications (03-04-2023)“…Schistosomiasis is a parasitic disease affecting over 200 million people in multiple organs, including the lungs. Despite this, there is little understanding…”
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Ionospheric control of the magnetosphere: conductance
Published in Annales geophysicae (1988) (2004)“…It is well known that the ionosphere plays a role in determining the global state of the magnetosphere. The ionosphere allows magnetospheric currents to close,…”
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Modeling Study of the Geospace System Response to the Solar Wind Dynamic Pressure Enhancement on 17 March 2015
Published in Journal of geophysical research. Space physics (01-04-2018)“…The global magnetosphere‐ionosphere‐thermosphere system is intrinsically coupled and susceptible to external drivers such as solar wind dynamic pressure…”
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Rho GTPases and cell migration
Published in Journal of cell science (01-08-2001)“…Cell migration involves dynamic and spatially regulated changes to the cytoskeleton and cell adhesion. The Rho GTPases play key roles in coordinating the…”
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Role of vertical ion convection in the high-latitude ionospheric plasma distribution
Published in Journal of Geophysical Research - Space Physics (01-09-2006)“…We use the Global Ionosphere‐Thermosphere Model (GITM) to simulate the ionospheric reaction to a simple step change of the high‐latitude forcing terms during…”
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Simulation of non-hydrostatic gravity wave propagation in the upper atmosphere
Published in Annales geophysicae (1988) (24-04-2014)“…The high-frequency and small horizontal scale gravity waves may be reflected and ducted in non-hydrostatic simulations, but usually propagate vertically in…”
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Exploring the efficacy of different electric field models in driving a model of the plasmasphere
Published in Journal of geophysical research. Space physics (01-06-2014)“…The dynamics of the plasmasphere are strongly controlled by the inner magnetospheric electric field. In order to capture realistically the erosion of the…”
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Effects of seasonal changes in the ionospheric conductances on magnetospheric field-aligned currents
Published in Geophysical research letters (01-03-2007)“…Through the seasons of the year, the ionospheric potential doesn't change significantly, while the solar driven conductance changes dramatically. This means…”
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Alfvén wings at Earth's magnetosphere under strong interplanetary magnetic fields
Published in Annales geophysicae (1988) (01-01-2007)“…A number of recent studies have shown that the upstream Mach number may play a significant role in the energy transfer between the solar wind and the…”
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Exploring sources of magnetospheric plasma using multispecies MHD
Published in Journal of Geophysical Research. A. Space Physics (01-04-2010)“…A persistent, unresolved problem in terrestrial magnetospheric physics is determining the dominant source and associated entry mechanism for plasma in the…”
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Dependence of neutral winds on convection E-field, solar EUV, and auroral particle precipitation at high latitudes
Published in Journal of Geophysical Research - Space Physics (01-09-2006)“…We use the Global Ionosphere Thermosphere Model (GITM) to investigate the thermospheric neutral winds and their relationship to the high‐latitude ionospheric…”
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Transpolar potential saturation models compared
Published in Journal of Geophysical Research - Space Physics (01-09-2004)“…We compare four explanations of transpolar potential saturation: (1) the magnetic field at the stagnation point weakens, thereby limiting magnetic…”
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A new formulation for the ionospheric cross polar cap potential including saturation effects
Published in Annales geophysicae (1988) (21-12-2005)“…It is known that the ionospheric cross polar cap potential (CPCP) saturates when the interplanetary magnetic field (IMF) Bz becomes very large. Few studies…”
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Polar cap index comparisons with AMIE cross polar cap potential, electric field, and polar cap area
Published in Geophysical research letters (16-04-2004)“…The polar cap index (PCI) has been shown to be quite useful as an index of the electrodynamic processes within the high‐latitude ionosphere. Here we use…”
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Numerical considerations in simulating the global magnetosphere
Published in Annales geophysicae (1988) (27-08-2010)“…Magnetohydrodynamic (MHD) models of the global magnetosphere are very good research tools for investigating the topology and dynamics of the near-Earth space…”
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Systematic review of learning curves in robot‐assisted surgery
Published in BJS open (01-02-2020)“…Background Increased uptake of robotic surgery has led to interest in learning curves for robot‐assisted procedures. Learning curves, however, are often poorly…”
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A statistical study of BRIs (SMCs), isolated substorms, and individual sawtooth injections
Published in Journal of Geophysical Research - Space Physics (01-08-2009)“…There are many similarities and differences in the solar wind drivers during three of the main modes of convection in the magnetosphere (isolated substorms,…”
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