Constantinos Papadimitriou
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View article: Dynamical Complexity in Geomagnetically Induced Current Activity Indices Using Block Entropy
Dynamical Complexity in Geomagnetically Induced Current Activity Indices Using Block Entropy Open
Geomagnetically Induced Currents (GICs) are a manifestation of space weather events at ground level. GICs have the potential to cause power failures in electric grids. The GIC index is a proxy of the ground geoelectric field, derived solel…
View article: Swarm Investigation of Ultra-Low-Frequency (ULF) Pulsation and Plasma Irregularity Signatures Potentially Associated with Geophysical Activity
Swarm Investigation of Ultra-Low-Frequency (ULF) Pulsation and Plasma Irregularity Signatures Potentially Associated with Geophysical Activity Open
Launched on 22 November 2013, Swarm is the fourth in a series of pioneering Earth Explorer missions and also the European Space Agency’s (ESA’s) first constellation to advance our understanding of the Earth’s magnetic fie…
View article: Empirical parameterisations of ULF power and drift orbit averaged radial diffusion coefficients from ground magnetometers separated in MLT
Empirical parameterisations of ULF power and drift orbit averaged radial diffusion coefficients from ground magnetometers separated in MLT Open
Radial diffusion, generated by ultra-low frequency (ULF) waves, is an important process for the transport of electrons in the outer radiation belt. Ground magnetometers give us constant observations of such ULF waves but their usefulness i…
View article: Dynamical Complexity in Swarm-derived Storm and Substorm Indices Using Information Theory: Implications for Interhemispheric Asymmetry
Dynamical Complexity in Swarm-derived Storm and Substorm Indices Using Information Theory: Implications for Interhemispheric Asymmetry Open
In November 2023, the ESA Swarm constellation mission celebrated 10 years in orbit, offering one of the best-ever surveys of the topside ionosphere. Among its achievements, it has been recently demonstrated that Swarm data can be used to d…
View article: Parameterization of the spatial and temporal distribution ofradial diffusion coefficients in the outer Van Allen belt
Parameterization of the spatial and temporal distribution ofradial diffusion coefficients in the outer Van Allen belt Open
Radial diffusion in planetary radiation belts is a dominant transport mechanism resulting in the energization and losses of chargedparticles by large-scale electromagnetic fluctuations. In this work we exploit the extensive radial diffusio…
View article: Dynamical Complexity in Geomagnetically Induced Current Activity Indices Using Block Entropy
Dynamical Complexity in Geomagnetically Induced Current Activity Indices Using Block Entropy Open
Geomagnetically Induced Currents (GICs) are a manifestation of space weather events at ground level. GICs have the potential to cause power failures in electric grids. The GIC index is a proxy of the ground geoelectric field derived solely…
View article: Dynamical Complexity in Geomagnetically Induced Current Activity Indices Using Block Entropy
Dynamical Complexity in Geomagnetically Induced Current Activity Indices Using Block Entropy Open
Geomagnetically Induced Currents (GICs) are a manifestation of space weather events at ground level. GICs have the potential to cause power failures in electric grids. The GIC index is a proxy of the ground geoelectric field, derived solel…
View article: Robust reanalysis of the electron radiation belt dynamics for physics driven space climatology applications
Robust reanalysis of the electron radiation belt dynamics for physics driven space climatology applications Open
Specification models for radiation belts are essential for the design of radiation resistant, long-lasting spacecraft. Using the available in-situ measurements allows these models to virtually describe the average space radiation environme…
View article: Statistical modelling of the variability of the electron radiation belts for long-term environment specification
Statistical modelling of the variability of the electron radiation belts for long-term environment specification Open
Specifying the electron radiation belts environment is crucial to enable satellite manufacturers and designers to adequately account for its harsh conditions, thereby mitigating risks of unforeseen malfunctions, data loss, and catastrophic…
View article: Swarm Investigation of Ultra-Low-Frequency (ULF) Pulsation and Plasma Irregularity Signatures Potentially Associated with Geophysical Activity
Swarm Investigation of Ultra-Low-Frequency (ULF) Pulsation and Plasma Irregularity Signatures Potentially Associated with Geophysical Activity Open
Launched on 22 November 2013, Swarm is the fourth in a series of pioneering Earth Explorer missions and also the European Space Agency’s (ESA’s) first constellation to advance our understanding of the Earth’s magnetic field and the near-Ea…
View article: Causal Inference in the Outer Radiation Belt: Evidence for Local Acceleration
Causal Inference in the Outer Radiation Belt: Evidence for Local Acceleration Open
Currently, there is no clear understanding of the comprehensive set of variables that controls fluxes of relativistic electrons within the outer radiation belt. Herein, the methodology based on causal inference is applied for identificatio…
View article: Dynamical Complexity in Swarm-Derived Storm and Substorm Activity Indices Using Information Theory: Further Evidence for Interhemispheric Asymmetry
Dynamical Complexity in Swarm-Derived Storm and Substorm Activity Indices Using Information Theory: Further Evidence for Interhemispheric Asymmetry Open
In November 2023, the ESA Swarm constellation mission celebrated 10 years in orbit, offering one of the best-ever surveys of the topside ionosphere. Among other important achievements, it has been recently demonstrated that Swarm data can …
View article: ULF waves in geospace and the challenge of estimating radial diffusion coefficients from in situ data.
ULF waves in geospace and the challenge of estimating radial diffusion coefficients from in situ data. Open
Radial diffusion, driven by Ultra-Low Frequency (ULF) waves in the Pc4–5 band (2–25 mHz), has been established as one of the most important mechanisms that influences the dynamics of electrons in a quite broad energy range, as …
View article: Swarm observations of ULF wave activity and plasma instability activity around extreme geophysical events
Swarm observations of ULF wave activity and plasma instability activity around extreme geophysical events Open
In November 2023, the ESA Swarm constellation mission celebrated 10 years in orbit, offering one of the best-ever surveys of the geomagnetic field and the topside ionosphere. Swarm provides an ideal platform for observing ultra-low fr…
View article: Investigating the GIC index levels in the Mediterranean region during the strongest magnetic storms of solar cycle 25
Investigating the GIC index levels in the Mediterranean region during the strongest magnetic storms of solar cycle 25 Open
Geomagnetically Induced Currents (GICs) flowing along electrically conductive infrastructure, such as power transmission lines, are produced by a naturally induced geoelectric field during geomagnetic disturbances, such as magnetic storms.…
View article: Electron radiation belt safety indices based on the SafeSpace modelling pipeline and dedicated to the internal charging risk
Electron radiation belt safety indices based on the SafeSpace modelling pipeline and dedicated to the internal charging risk Open
In this paper, we present the SafeSpace prototype for a safety warning system, dedicated to the electron radiation-belt-induced internal charging hazard aboard spacecraft. The space weather tool relies on a synergy of physical models assoc…
View article: Improving the Electron Radiation Belt Nowcast and Forecast Using the SafeSpace Data Assimilation Modeling Pipeline
Improving the Electron Radiation Belt Nowcast and Forecast Using the SafeSpace Data Assimilation Modeling Pipeline Open
The H2020 SafeSpace project aims at the implementation of a space weather safety prototype, in particular to predict the deep charging hazard. The proposed service is built on a Sun‐to‐Earth chain of physical codes that propagates physical…
View article: Investigation of Dynamical Complexity in Swarm-Derived Geomagnetic Activity Indices Using Information Theory
Investigation of Dynamical Complexity in Swarm-Derived Geomagnetic Activity Indices Using Information Theory Open
In 2023, the ESA’s Swarm constellation mission celebrates 10 years in orbit, offering one of the best ever surveys of the topside ionosphere. Among its achievements, it has been recently demonstrated that Swarm data can be used to derive s…
View article: Comment on egusphere-2022-1509
Comment on egusphere-2022-1509 Open
Abstract. In this paper, we present the SafeSpace prototype for a safety warning system, dedicated to the electron-radiation-belt induced internal charging hazard, aboard spacecraft. The space weather tool relies on a synergy of physical m…
View article: Convolutional Neural Networks for Automated ULF Wave Classification in Swarm Time Series
Convolutional Neural Networks for Automated ULF Wave Classification in Swarm Time Series Open
Ultra-low frequency (ULF) magnetospheric plasma waves play a key role in the dynamics of the Earth’s magnetosphere and, therefore, their importance in Space Weather phenomena is indisputable. Magnetic field measurements from recent m…
View article: Developing the SwarmPAL Python package
Developing the SwarmPAL Python package Open
SwarmPAL is a new Python package under development with support from Swarm DISC (Data, Innovation, and Science Cluster). This project aims to provide the research community with a suite of tools to rapidly access, analyse, and visualise da…
View article: Investigating the acceleration efficiency of VLF and ULF waves on different electron populations in the outer radiation belt through multi-point observations and modeling
Investigating the acceleration efficiency of VLF and ULF waves on different electron populations in the outer radiation belt through multi-point observations and modeling Open
During the second half of 2019, the Earth’s magnetosphere was impacted by a sequence of Corotating Interaction Regions (CIRs) during four consecutive solar rotations. Based on the solar wind properties, the CIRs can be divided in fou…
View article: Investigation of the Geomagnetically Induced Current Index levels in the Mediterranean region during the strongest magnetic storms of solar cycle 24
Investigation of the Geomagnetically Induced Current Index levels in the Mediterranean region during the strongest magnetic storms of solar cycle 24 Open
Geomagnetically Induced Currents (GIC) constitute an integral part of space weather research and are a subject of ever-growing attention for countries located in the low and middle latitudes. A series of recent studies highlights the impor…
View article: The Time-Frequency Analysis (TFA) toolbox: a versatile processing tool for the recognition of magnetospheric and ionospheric signals in Swarm time series
The Time-Frequency Analysis (TFA) toolbox: a versatile processing tool for the recognition of magnetospheric and ionospheric signals in Swarm time series Open
The ongoing Swarm mission of the European Space Agency (ESA) provides an opportunity for a better knowledge of the near-Earth electromagnetic environment, including investigations of ultra-low frequency (ULF) wave events. The Time-Frequenc…
View article: Comment on egusphere-2022-1509
Comment on egusphere-2022-1509 Open
Abstract. In this paper, we present the SafeSpace prototype for a safety warning system, dedicated to the electron-radiation-belt induced internal charging hazard, aboard spacecraft. The space weather tool relies on a synergy of physical m…
View article: Daedalus MASE (mission assessment through simulation exercise): A toolset for analysis of in situ missions and for processing global circulation model outputs in the lower thermosphere-ionosphere
Daedalus MASE (mission assessment through simulation exercise): A toolset for analysis of in situ missions and for processing global circulation model outputs in the lower thermosphere-ionosphere Open
Daedalus MASE (Mission Assessment through Simulation Exercise) is an open-source package of scientific analysis tools aimed at research in the Lower Thermosphere-Ionosphere (LTI). It was created with the purpose to assess the performance a…
View article: Investigation of the Geomagnetically Induced Current Index Levels in the Mediterranean Region During the Strongest Magnetic Storms of Solar Cycle 24
Investigation of the Geomagnetically Induced Current Index Levels in the Mediterranean Region During the Strongest Magnetic Storms of Solar Cycle 24 Open
Geomagnetically induced currents (GICs) constitute an integral part of space weather research and are a subject of ever‐growing attention for countries located in the low and middle latitudes. A series of recent studies highlights the impo…
View article: Electron radiation belt safety indices based on the SafeSpace modelling pipeline and dedicated to the internal charging risk
Electron radiation belt safety indices based on the SafeSpace modelling pipeline and dedicated to the internal charging risk Open
In this paper, we present the SafeSpace prototype for a safety warning system, dedicated to the electron-radiation-belt induced internal charging hazard, aboard spacecraft. The space weather tool relies on a synergy of physical models asso…
View article: The EMERALD Model for the Estimation of the Radial Diffusion Coefficients in the Outer Belt
The EMERALD Model for the Estimation of the Radial Diffusion Coefficients in the Outer Belt Open
Radial diffusion is one of the dominant physical mechanisms driving acceleration and loss of electrons in the outer radiation belt. Therefore, the accurate estimation of radial diffusion coefficients ( D LL ) is crucial for detailed radiat…