D. M. Wright
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View article: Upwelling Ion Observation from the Earth's Upper Atmosphere During EISCAT Svalbard Radar and FAST Satellite Conjunctions
Upwelling Ion Observation from the Earth's Upper Atmosphere During EISCAT Svalbard Radar and FAST Satellite Conjunctions Open
The loss of planetary atmospheres is due to the process of heavy ions depletion from the upper atmosphere. It is a significant source of magnetospheric plasma and plays an important role in altering global magnetospheric dynamics. A number…
View article: The potential of live data streams in a building’s digital twin to impact its energy consumption
The potential of live data streams in a building’s digital twin to impact its energy consumption Open
View article: Ionospheric upwelling and the level of associated noise at solar minimum
Ionospheric upwelling and the level of associated noise at solar minimum Open
We have studied the ionospheric upwelling with a magnitude of above 1013 m−2 s−1 using the data during the European Incoherent Scatter Scientific Association (EISCAT) Svalbard Radar International Polar Year (IPY-ESR) 2007 campaign, which c…
View article: Comment on angeo-2023-37
Comment on angeo-2023-37 Open
Abstract. We have studied the ionospheric upwelling with magnitude above 1013 m−2 s−1 using the data during the IPY-ESR 2007 campaign, which coincides with solar minimum. …
View article: Evolving Phase Propagation in an Intermediate‐<i>m</i> ULF Wave Driven by Substorm‐Injected Particles
Evolving Phase Propagation in an Intermediate‐<i>m</i> ULF Wave Driven by Substorm‐Injected Particles Open
An ultralow frequency (ULF) wave was simultaneously observed in the ionosphere by the Super Dual Auroral Radar Network (SuperDARN) radar at Hankasalmi, Finland and on the ground by the International Monitor for Auroral Geomagnetic Effects …
View article: Comment on angeo-2023-37
Comment on angeo-2023-37 Open
Abstract. We have studied the ionospheric upwelling with magnitude above 1013 m−2 s−1 using the data during the IPY-ESR 2007 campaign, which coincides with solar minimum. …
View article: Ionospheric Upwelling and the Level of Associated Noise at Solar Minimum
Ionospheric Upwelling and the Level of Associated Noise at Solar Minimum Open
We have studied the ionospheric upwelling with magnitude above 1013 m−2 s−1 using the data during the IPY-ESR 2007 campaign, which coincides with solar minimum. The noise level in low, medium and high-flux upflows is investigated. We found…
View article: Modeling and Observations of the Effects of the Alfvén Velocity Profile on the Ionospheric Alfvén Resonator
Modeling and Observations of the Effects of the Alfvén Velocity Profile on the Ionospheric Alfvén Resonator Open
We have modeled the individual harmonic frequencies of the Ionospheric Alfvén Resonator (IAR) at Eskdalemuir by solving a one‐dimensional wave equation and using non‐uniform modeled Alfvén velocity profiles. By comparing the results of the…
View article: Climatology of the Harmonic Frequency Separation of Ionospheric Alfvén Resonances at Eskdalemuir Observatory, UK
Climatology of the Harmonic Frequency Separation of Ionospheric Alfvén Resonances at Eskdalemuir Observatory, UK Open
We extracted the harmonic frequency separation (Δ f ) of Ionospheric Alfvén Resonances (IAR) observed in the Eskdalemuir induction coil magnetometer data for the 9 year data set of 2013–2021. To obtain Δ f values, we used a machine learnin…
View article: 510 Co-design of an evidence and theory-based hospital deprescribing behaviour change intervention
510 Co-design of an evidence and theory-based hospital deprescribing behaviour change intervention Open
Introduction 50% of older adults are prescribed a medicine that is unnecessary or harmful that should be deprescribed (1). CompreHensive geriAtRician-led MEdication Review (CHARMER) is a behaviour change intervention to equip geriatricians…
View article: 509 Developing a Core Outcome Set for hospital deprescribing trials with older people under the care of a geriatrician
509 Developing a Core Outcome Set for hospital deprescribing trials with older people under the care of a geriatrician Open
Introduction Half of older people are prescribed unnecessary or harmful medication that are not routinely deprescribed in hospital. There is a need for trials of deprescribing interventions, and for these to adopt consistent measurement an…
View article: Language used to describe medication review activities: does it require standardisation? A narrative synthesis
Language used to describe medication review activities: does it require standardisation? A narrative synthesis Open
Introduction Medication review (MR) is a health care professional’s systematic assessment of a patient’s medications with recommendations for improvement (1). To enable comparison between different evaluations of medication review-based in…
View article: Tracing the evolution of energetic particle fluxes using radar inversion techniques &#160;
Tracing the evolution of energetic particle fluxes using radar inversion techniques   Open
<p>Following the dynamic processes in the Earth-Sun system such as magnetic reconnection a significant amount of energy is transferred inwards from the outer magnetosphere by magnetohydrodynamic (MHD) waves. One of the ways this ener…
View article: The Ionospheric Alfv&#233;n Resonator observed at Eskdalemuir magnetic observatory&#160;&#160;
The Ionospheric Alfvén Resonator observed at Eskdalemuir magnetic observatory   Open
<p>Ionospheric Alfvén Resonances (IAR) are observed in the British Geological Survey's ground based induction coil magnetometer data at Eskdalemuir. IAR are caused when Alfvén waves are partially reflected at bounda…
View article: Modeling the Varying Location of Field Line Resonances During Geomagnetic Storms
Modeling the Varying Location of Field Line Resonances During Geomagnetic Storms Open
Previous observational studies have shown that the natural Alfvén frequencies of geomagnetic field lines vary significantly over the course of a geomagnetic storm, decreasing by up to 50% from their quiet time values outside the plasmasphe…
View article: The Changing Eigenfrequency Continuum During Geomagnetic Storms: Implications for Plasma Mass Dynamics and ULF Wave Coupling
The Changing Eigenfrequency Continuum During Geomagnetic Storms: Implications for Plasma Mass Dynamics and ULF Wave Coupling Open
Geomagnetic storms are one of the most energetic space weather phenomena. Previous studies have shown that the eigenfrequencies of ultralow frequency (ULF) waves on closed magnetic field lines in the inner magnetosphere decrease during sto…
View article: The Variation of Resonating Magnetospheric Field Lines With Changing Geomagnetic and Solar Wind Conditions
The Variation of Resonating Magnetospheric Field Lines With Changing Geomagnetic and Solar Wind Conditions Open
Standing ultralow frequency waves redistribute energy and momentum around the Earth's magnetosphere. The eigenfrequencies of these standing waves can be measured by applying the cross‐phase technique to ground magnetometer data. To make a …
View article: Identifying ULF Wave Eigenfrequencies in SuperDARN Backscatter Using a Lomb‐Scargle Cross‐Phase Analysis
Identifying ULF Wave Eigenfrequencies in SuperDARN Backscatter Using a Lomb‐Scargle Cross‐Phase Analysis Open
The eigenfrequencies of standing Alfvén waves on closed magnetospheric field lines can be estimated using the cross‐phase technique. These eigenfrequencies can be used to monitor the plasma mass density distribution along the field line. S…
View article: Cross‐Phase Determination of Ultralow Frequency Wave Harmonic Frequencies and Their Associated Plasma Mass Density Distributions
Cross‐Phase Determination of Ultralow Frequency Wave Harmonic Frequencies and Their Associated Plasma Mass Density Distributions Open
Latitudinally spaced ground‐based magnetometers can be used to estimate the eigenfrequencies of magnetic field lines using the cross‐phase technique. These eigenfrequencies can be used with a magnetic field model and an assumed plasma mass…
View article: A Study of Observations of Ionospheric Upwelling Made by the EISCAT Svalbard Radar During the International Polar Year Campaign of 2007
A Study of Observations of Ionospheric Upwelling Made by the EISCAT Svalbard Radar During the International Polar Year Campaign of 2007 Open
We have used EISCAT Svalbard Radar data, obtained during the International Polar Year 2007 campaign, to study ionospheric upflow events with fluxes exceeding 10 13 m −2 s −1 . In this study, we have classified the upflow events into low, m…