A5089328759- Solar and Space Plasma Dynamics
- Ionosphere and magnetosphere dynamics
- Astro and Planetary Science
- Geomagnetism and Paleomagnetism Studies
- Stellar, planetary, and galactic studies
- Maritime and Coastal Archaeology
- Earthquake Detection and Analysis
- Coastal and Marine Dynamics
- Geophysics and Gravity Measurements
- Solar Radiation and Photovoltaics
- Climate variability and models
- Geology and Paleoclimatology Research
- Planetary Science and Exploration
- Complex Systems and Time Series Analysis
- earthquake and tectonic studies
- Advanced Thermodynamics and Statistical Mechanics
- Atmospheric Ozone and Climate
- Astrophysics and Cosmic Phenomena
- Gamma-ray bursts and supernovae
- Oceanographic and Atmospheric Processes
- Global Energy and Sustainability Research
- Flood Risk Assessment and Management
- Tropical and Extratropical Cyclones Research
- Scientific Research and Discoveries
- Neutrino Physics Research
Radboud University Nijmegen
2018-2025
Université Paris Cité
2016-2025
Université Paris Sciences et Lettres
2018-2025
Sorbonne Université
2016-2025
Observatoire de Paris
2016-2025
Centre National de la Recherche Scientifique
2019-2025
Istituto Nazionale di Geofisica e Vulcanologia
2014-2025
Radiotelevisione Italiana (Italy)
2025
Université de Versailles Saint-Quentin-en-Yvelines
2015-2024
Laboratoire d’études spatiales et d’instrumentation en astrophysique
2015-2024
The Radio and Plasma Waves (RPW) instrument on the ESA Solar Orbiter mission is described in this paper. This designed to measure in-situ magnetic electric fields waves from continuous a few hundreds of kHz. RPW will also observe solar radio emissions up 16 MHz. primary importance science requirements since it essential answer three four overarching objectives. In addition exchange on-board data with other instruments order process algorithms for interplanetary shocks type III langmuir detections.
Abstract On 2022 February 15–16, multiple spacecraft measured one of the most intense solar energetic particle (SEP) events observed so far in Solar Cycle 25. This study provides an overview interesting observations made by during this event. Parker Probe (PSP) and BepiColombo were close to each other at 0.34–0.37 au (a radial separation ∼0.03 au) as they impacted flank associated coronal mass ejection (CME). At about 100° retrograde direction 1.5 away from Sun, radiation detector on board...
Context.The chromosphere remains a poorly understood part of the solar atmosphere, as current modeling and observing capabilities are still ill-suited to investigating its fully 3-dimensional nature in depth. In particular, chromospheric observations that can preserve high spatial temporal resolution while providing spectral information over extended fields view very scarce.
On the basis of observations solar granulation obtained with New Solar Telescope Big Bear Observatory, we explored proper motion bright points (BPs) in a quiet-sun area, coronal hole, and an active region plage. We automatically detected traced BPs derived their mean-squared displacements as function time (starting from appearance each BP) for all available intervals. In three magnetic environments, found presence super-diffusion regime, which is most pronounced inside interval 10–300 s....
Context. On 2020 November 29, the first widespread solar energetic particle (SEP) event of cycle 25 was observed at four widely separated locations in inner (≲1 AU) heliosphere. Relativistic electrons as well protons with energies > 50 MeV were by Solar Orbiter (SolO), Parker Probe, Terrestrial Relations Observatory (STEREO)-A and multiple near-Earth spacecraft. The SEP associated an M4.4 class X-ray flare accompanied a coronal mass ejection extreme ultraviolet (EUV) wave type II radio...
Abstract We present a comprehensive study of type III radio bursts and their association with solar flares magnitude M1.0 larger, as observed by four widely separated spacecraft (Parker Solar Probe, Orbiter, STEREO-A, Wind). Our main focus is the introduction validation two methods for localizing using available multispacecraft data. The first method utilizes intensity fitting circular Gaussian distribution, while second based on time arrival bursts. demonstrate effectiveness these through...
(Abridged) Aims: In this paper, we seek to establish the suitability of imaging spectroscopy performed in Ca II 854.2 nm line as a means investigate solar chromosphere at high resolution. Methods: We utilize monochromatic images obtained with Interferometric BIdimensional Spectrometer (IBIS) multiple wavelengths within and over several quiet areas. analyze both morphological properties derived from narrow-band average spectral distinct features such network points, internetwork areas...
We investigate the oscillatory properties of quiet solar chromosphere in relation to underlying photosphere, with particular regard effects magnetic topology. perform a Fourier analysis on sequence line-of-sight velocities measured simultaneously photospheric (Fe I 709.0 nm) and chromospheric line (Ca II 854.2 nm). The were obtained from full spectroscopic data acquired at high spatial resolution Interferometric BIdimensional Spectrometer (IBIS). field view encompasses supergranular cell,...
The spatio-temporal dynamics of the solar magnetic field has been investigated by using NSO/Kitt Peak synoptic maps covering period 1976 August–2003 September. radial component, for each heliographic latitude, decomposed in intrinsic mode functions through Empirical Mode Decomposition order to investigate time evolution various characteristic oscillating modes at different latitudes. same technique also applied on meridional and east–west components, which were derived from observed...
Abstract In this work, we present a case study of the relevant timescales responsible for coupling between changes solar wind and interplanetary magnetic field (IMF) conditions magnetospheric dynamics during St. Patrick's Day Geomagnetic Storms in 2013 2015. We investigate behavior component B z , Perreault‐Akasofu function A E L U S Y M ‐ H geomagnetic indices at different by using empirical mode decomposition (EMD) method delayed mutual information (DMI). The EMD, indeed, allows to extract...
Abstract Archaeological and instrumental data indicate that the southern sector of volcanic island Lipari has been subsiding for last 2100 years due to isostatic tectonic factors, at variable rates up ~11 mm a −1 . Based on this data, detailed marine flooding scenario AD is provided bay Marina Lunga in eastern part from (1) an ultra‐high‐resolution Digital Terrain Marine Model ( DTMM ) generated multibeam bathymetry MB Unmanned Aerial Vehicles UAV ), (2) rate land subsidence Global...
We use the plasma density based on measurements of probe-to-spacecraft potential in combination with magnetic field by MAG to study fields and fluctuations solar wind observed Solar Orbiter during first perihelion encounter ($\sim$0.5~AU away from Sun). In particular we polarization wave field, phase between compressible compressibility ratio (the normalized B) characterize waves turbulence. find that are out-of-phase component for intervals turbulence, while they circular-polarized around...
Low-lying coastal zones are highly subject to hazards as a result of sea-level rise enhanced by natural or anthropogenic land subsidence. A combined analysis using data and remote sensing techniques allows the estimation current rates subsidence shoreline retreat, supporting development quantified relative projections flood maps, which appropriate for specific areas. This study focuses on plain Tavoliere delle Puglie (Apulia, Southern Italy), facing Adriatic Sea. In this area, is mainly...
Abstract Vertical land movements (VLM) play a crucial role in affecting the sea level rise along coasts. They need to be estimated and included analysis for more accurate Sea Level (SL) projections. Here we focus on Mediterranean basin characterized by spatially variable rates of VLM that affect future SL To estimate used geodetic data from continuous global navigation satellite system stations with time series longer than 4.5 years 1996–2023 interval, belonging Euro-Mediterranean networks...
Context. Solar flares release huge amounts of energy, a considerable part which is channeled into particle acceleration in the lower corona. Hard X-ray (HXR) emissions are used to diagnose accelerated electrons that bombard chromosphere, while type III radio bursts result from energetic electron beams propagating through corona and interplanetary space. The Orbiter mission, launched 2020, aims link solar flare remote observations with heliospheric events, thus producing useful for our...
The historical City of Venice, with its lagoon, has been severely exposed to repeated marine flooding since times due the combined effects sea level rise (SLR) and land subsidence (LS) by natural anthropogenic causes. Although change in this area studied for several years, no detailed scenarios have yet realized predict expected SLR coming decades on coasts islands lagoon global warming. From analysis geodetic data climatic projections Shared Socioeconomic Pathways (SSP1-2.6; SSP3-7.0...
The progressive increase of the global mean sea level due to ongoing climate change is a major topic for safeguarding and developing coastal areas. However, local rise estimates may differ considerably from ones different subsidence/uplift rates.In framework project investigating relative (RSLR) over several areas Italy, we present results Venice Lagoon. This area an exceptional case study since it has been severely exposed repeated marine flooding throughout history subsidence rates are...
This study focuses on the geo-hydrological characterization of coastal zone Tavoliere delle Puglie (Apulia region, Italy), one widest plains in southern Italy. Nowadays, area, mostly devoted to agricultural purposes, is subjected several natural and anthropogenic stresses, such as sea-level rise consequent shoreline modifications, groundwater pumping from shallow deep aquifers, land subsidence, strongly enhanced by human activity. Recent investigations have been conducted assess impact...
The powerful solar flare that occurred on October 28, 2021 has accelerated high-energy electrons into interplanetary space and triggered a very intense type III radio burst. This burst was observed by several spacecraft, including Solar Orbiter Parker Probe. These two missions, however, are equipped with search coil magnetometers one antenna being sensible enough to observe the relevant frequencies, were therefore able measure for first time magnetic component of Type wave. We will present...
(Abridged) Aims: We characterize the dynamics of quiet inter-network chromosphere by studying occurrence acoustic shocks and their relation with concomitant photospheric structure dynamics. Methods: analyze a comprehensive data set that includes high resolution chromospheric spectra obtained IBIS imaging spectrometer in two quiet-Sun regions. This is complemented high-resolution sequences MDI magnetograms same targets. From we identify spatio-temporal shocks. compare it means both Fourier...