Papers

  1. Ben A. Witvliet, "Gap Analysis of Ambient Electromagnetic Noise Measurements Stored in the ITU Data Banks", Special Issue, Advanced Technologies and Solutions for Modern Communication and Sensing Systems, Sensors, 2024, DOI: 10.3390/s24216832
  2. Kateryna D. Aksonova et al., "Synchronous observations of travelling ionospheric disturbances by the multi-point Doppler sounding, ionosonde and the incoherent scatter radar: Case study", Advances in Space Research 73 (2024) 4414–4425, 2024. DOI: https://doi.org/10.1016/j.asr.2024.01.032
  3. Pierrard V., "Effects of the Sun on the space environment of the Earth", Presses Universitaires de Louvain, ISBN: 978-2-39061-442-5, 208 p., 2024. https://i6doc.com/en/book/?gcoi=28001100628290
  4. B. A. Witvliet, E. van Maanen, R. de Vries, L. Bakker, "Intended signals and ambient electromagnetic noise in HF spectrum management," URSI AT-RASC, Gran Canaria, 19-24 May 2024, [downloadable file]
  5. Aroca-Farrerons, J.M., Hernández-Pajares, M., Lyu, H., Roma-Dollase, D., Orus-Perez, R., García-Rigo, A., Graffigna, V., Olivares-Pulido, G., Monte-Moreno, E., Yang, H., et al. “The Spectrum of Global Electron Content: A New Potential Indicator of Space Weather Activity”, Sensors 2024, 24, 393, DOI: 10.3390/s24020393
  6. Calabia, A., Imtiaz, N., Altadill, D., Yasyukevich, Y., Segarra, A., Prol, F. S., et al., "Uncovering the divers of responsive ionospheric dynamics to severe space weather conditions: A coordinated multi-instrumental approach", Journal of Geophysical Research: Space Physics, 129, e2023JA031862, 2024, DOI: 10.1029/2023JA031862
  7. Khazanov G. V., Pierrard V., Ma Q., Botek E., "The Role of Plasmasphere in the Formation of Electron Heat Fluxes", Journal of Geophys. Res.: Space Physics, Volume 128, Issue 11, November 2023, e2023JA032013, 2023, DOI: 10.1029/2023JA032013
  8. Porayko, N.K., Mevius, M., Hernández-Pajares, M., et al., “Validation of global ionospheric models using long-term observations of pulsar Faraday rotation with the LOFAR radio telescope”, Journal of Geodesy, 97, 116, 2023, DOI: 10.1007/s00190-023-01806-1
  9. Alfonsi, L., Cesaroni, C., Hernandez-Pajares, M., Astafyeva, E., Bufféral, S., Elias, P., Belehaki, A., Tsagouri, I., Yang, H. and Guerra, M., "Ionospheric response to the 2020 Samos earthquake and tsunami", Earth, Planets and Space, 76(1), p.13, 2024, DOI: 10.1186/s40623-023-01940-2
  10. Alves DB, Jerez GO, Nespolo RS, Hernández-Pajares M, Monico JF, “Ionospheric Irregularities Measured by Ground-Based and Satellite-Embedded Receivers: Analysis of s4 Index in a Low Latitude Region”, The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2023 Dec 13, 48:1105-10
  11. Verhulst, T.G.W., De Franceschi, G., Cesaroni, C., “Ionospheric effects of the Hunga Tonga Volcanic Eruption of 15 January 2022,” Radio Science Bulletin 378, pp. 95ff., 2023, [downloadable pdf file]
  12. Hernández-Pajares, M., García-Rigo, A., Monte-Moreno, E., Liu, Q., Roma-Dollase, D., Yang, H., Béniguel, Y., Moreno-Borràs, D., Fors, O., Lyu, H. and Orus-Perez, R., "GNSS Solar Astronomy in real-time during more than one solar cycle", Advances in Space Research, 2023, DOI: 10.1016/j.asr.2023.12.016
  13. Petra Koucka Knizova et al., "Multi-instrumental observation of mesoscale tropospheric systems in July 2021 with a potential impact on ionospheric variability in midlatitudes",  Front. Astron. Space Sci., Sec. Space Physics, Volume 10, 2023. DOI: https://doi.org/10.3389/fspas.2023.1197157   
  14. Buzas, A., et al. "Investigating the effect of large solar flares on the ionosphere based on novel Digisonde data comparing three different methods", Front. Astron. Space Sci. 10:1201625, 2023. DOI: 10.3389/fspas.2023.1201625  
  15. Haralambous, H., M. Guerra, J. Chum, T.G.W. Verhulst, V. Barta, D. Altadill, C. Cesaroni, I. Galkin, K. Márta, J. Mielich, D. Kouba, D. Buresova, A. Segarra, L. Spogli, J. Rusz, J. Zedník, "Multi-Instrument Observations of Various Ionospheric Disturbances Caused by the 6 February 2023 Turkey Earthquake", Journal of Geophysical Research: Space Physics 128, e2023JA031691, 2023, DOI: 10.1029/2023JA031691
  16. Belehaki, A., Haggstrom, I. Kiss, T., Tjulin, A., & PITHIA-NRF consortium, "The integration project for an advanced plasmasphere, ionosphere and thermosphere research environment", Zenodo, 2023, doi: https://doi.org/10.5281/zenodo.10145053 
  17. N.A. Frissell, B.A. Witvliet, et al., “Heliophysics and Amateur Radio: Citizen Science Collaborations for Atmospheric, Ionospheric, and Space Physics Research and Operations”, Frontiers in Astronomy and Space Science, 2023, DOI: https://doi.org/10.3389/fspas.2023.1184171, [downloadable pdf file]
  18. Barata T., Pereira J., Hernández-Pajares M., Barlyaeva T., Morozova A. “Ionosphere over Eastern North Atlantic Midlatitudinal Zone during Geomagnetic Storms”, Atmosphere, 14, 949, 2023, DOI: https://doi.org/ 10.3390/atmos14060949
  19. Christovam A. L., Prol F. S., Hernández-Pajares M., Camargo P. O., “Plasma bubble imaging by single-frequency GNSS measurements”, GPS Solutions, 27(3), 124, 2023, DOI: https://doi.org/10.1007/s10291-023-01463-z
  20. Christovam A. L., Prol F. S., Jerez G. O., Hernández‐Pajares M., Camargo, P. O., “PPP at low latitudes with ionospheric model exclusively based on single frequency GNSS measurements”, Space Weather, 21(8), e2023SW003513, 2023, DOI: https://doi.org/10.1029/2023SW003513
  21. Gulyaeva T., Hernández-Pajares M., & Stanislawska I., “Ionospheric Weather at Two Starlink Launches during Two-Phase Geomagnetic Storms”, Sensors, 23(15), 7005, 2023, DOI: https://doi.org/10.3390/s23157005
  22. Monte-Moreno E., Hernandez-Pajares M., Yang H., “Power Law distribution of rapid ionosphere electron content fluctuations via GNSS measurements”, IEEE Transactions on Geoscience and Remote Sensing, 2023, DOI: https://doi.org/10.1109/TGRS.2023.3313171
  23. Olivares-Pulido G., Hernández-Pajares M., Monte-Moreno E., Lyu H., Graffigna V., Cardellach E., Hoque M., Prol F.S., Notarpietro R., Garcia-Fernandez M., “Real-Time Tomographic Inversion of Truncated Ionospheric GNSS Radio Occultations”, Remote Sensing, 15(12), 3176, 2023, DOI: https://doi.org/10.3390/rs15123176
  24. Witvliet, Ben A., Rosa M. Alsina-Pagès, David Altadill, Erik van Maanen, and Geert Jan Laanstra, "Separation of Ambient Radio Noise and Radio Signals Received via Ionospheric Propagation" , Atmosphere 14, no. 3: 529, 2023, DOI: https://doi.org/10.3390/atmos14030529
  25. Ripoll J-F, Pierrard V, Cunningham GS, Chu X, Sorathia KA, Hartley DP, Thaller SA, Markin VG, Delzanno GL, De Pascuale S and Ukhorskiy AY, "Modeling of the cold electron plasma density for radiation belt physics", Front. Astron. Space Sci. 10:1096595, 2023, DOI: https://doi.org/10.3389/fspas.2023.1096595 [downloadable pdf file]
  26. Hernández-Pajares M., Olivares-Pulido G., Hoque M. M., Prol F. S., Yuan L., Notarpietro R., Graffigna, V., “Topside Ionospheric Tomography Exclusively Based on LEO POD GPS Carrier Phases: Application to Autonomous LEO DCB Estimation.”, Remote Sensing, 15(2), 390, 2023, DOI: https://doi.org/10.3390/rs15020390
  27. Jerez, G. O., Hernández-Pajares, M., Goss, A., Prol, F. S., Alves, D. B. M., Monico, J. F. G., & Schmidt, M., “Two-way assessment of ionospheric maps performance over the Brazilian region: Global versus regional products.”, Space Weather, 21, e2022SW003252, 2023, DOI: https://doi.org/10.1029/2022SW003252
  28. Tsagouri, I., Belehaki, A., Koutroumbas, K., Tziotziou, K., Herekakis, T., "Identification of Large-Scale Travelling Ionospheric Disturbances (LSTIDs) Based on Digisonde Observations". Atmosphere, 14(2):331, 2023. DOI: 10.3390/atmos14020331.
  29. C. J. Deacon, C. N. M. Mitchell, R. J. Watson, B. A. Witvliet, "Evidence for the Magnetoionic Nature of Oblique VHF Reflections from Midlatitude Sporadic-E Layers," MDPI Atmosphere, Nov. 2022, Preprints 2022, 2022110118, DOI: https://doi.org/10.20944/preprints202211.0118.v2
  30. Ripoll, J.-F., S. Thaller, D. Hartley, G. S. Cunningham, V. Pierrard, W. Kurth, G. C. Kletzing, J. Wygant, "Statistics and empirical models of the plasmasphere boundaries from the Van Allen Probes for radiation belt physics", Geophysical Research Letters, vol 49, 21, e2022GL101402, 16 Nov 2022, DOI: https://doi.org/10.1029/2022GL101402
  31. Zawdie K, Belehaki A, Burleigh M, Chou M-Y, Dhadly MS, Greer K, Halford AJ, Hickey D, Inchin P, Kaeppler SR, Klenzing J, Narayanan VL, Sassi F, Sivakandan M, Smith JM, Zabotin N, Zettergren MD and Zhang S-R, "Impacts of acoustic and gravity waves on the ionosphere", Frontiers in Astronomy and Space Sciences,  9:1064152, 15 Nov 2022, DOI: https://doi.org/10.3389/fspas.2022.1064152
  32. Viviane Pierrard, Alexandre Winant, Edith Botek, Jean-François Ripoll, Mélanie Cosmides, David M. Malaspina, Geoffrey D. Reeves and Scott A. Thaller, "Simultaneous Observations of the 23 June 2015 Intense Storm at at Low Earth Orbit and Geostationary Transfer Orbit", URSI Radio Science Letters, Vol 4, 2022, DOI: https://doi.org/10.46620/22-0016
  33. Verhulst, D. Altadill, V. Barta, A. Belehaki, D. Buresova, C. Cesaroni, I. Galkin, M. Guerra, A. Ippoliti, T. Herekakis, D. Kouba, J. Mielich, A. Segarra, L. Spogli, I. Tsagouri, "Multi-instrument detection in Europe of ionospheric disturbances caused by the 15 January 2022 eruption of the Hunga volcano", J. Space Weather Space Clim. 12, 35, DOI: https://doi.org/10.1051/swsc/2022032
  34. B. A. Witvliet, "Near Vertical Incidence Skywave - The propagation mechanism, the impact of antenna, backscatter and solar flares", Nordic HF 2022, Fårö, Sweden, 16 August 2022,
    https://www.researchgate.net/publication/363137715_NEAR_VERTICAL_INCIDENCE_SKYWAVE_-_The_propagation_mechanism_the_impact_of_antenna_backscatter_and_solar_flares
  35. B. A. Witvliet, "Ambient Outdoor Electromagnetic Noise Measurements - in the conflicting perspective of spectrum planners and spectrum users", Nordic HF 2022, Fårö, Sweden, 15 August 2022, https://www.researchgate.net/publication/363137397_AMBIENT_OUTDOOR_ELECTROMAGNETIC_NOISE_MEASUREMENTS_in_the_conflicting_perspective_of_spectrum_planners_and_spectrum_users
  36. Yang, H.; Hernandez, M.; Jarmolowski, W.; Wielgosz, P.; Vadas, S.; Colombo, O.L.; Monte, E.; Garcia-Rigo, A.; Graffigna, V.; Krypiak-Gregorczyk, A.; Milanowska, B.; Bofill, P.; Olivares, G.; Liu, Q.; Haagmans, R., “Systematic Detection of Anomalous Ionospheric Perturbations Above LEOs From GNSS POD Data Including Possible Tsunami Signatures”, IEEE transactions on geoscience and remote sensing, Vol. 60 num. 5803423, 13 June 2022, DOI: https://doi.org/10.1109/TGRS.2022.3182885
  37. M. Hernández-Pajares, G. Olivares-Pulido, V. Graffigna, A. García-Rigo, H. Lyu, D. Roma-Dollase, M.C. de Lacy, C. Fernández-Prades, J. Arribas, M. Majoral, Z. Tsiropoulos, P. Stamatelopoulos, M. Symeonidou, M. Schmidt, A. Goss, E. Erdogan, F.K. van Evert, P.M. Blok, J. Grosso E. Spaltro, J. Domínguez, E. López, A. Hriscu, “Wide-Area GNSS Corrections for Precise Positioning and Navigation in Agriculture”, Remote Sensing, 14, 3845, 2022 DOI: https://doi.org/10.3390/rs14163845
  38. S. Lo, N. Rankov, C.N. Mitchell, B.A. Witvliet, T. Pinto Jayawardena, G. Bust, "A systematic study of 7 MHz greyline propagation using amateur radio beacon signals," Atmosphere 2022 (13), 1340-1361, 2022, DOI: https://doi.org/10.3390/atmos13081340
  39. V. Paula, A. Segarra, D. Altadill, J.J. Curto, E. Blanch, "Detection of Solar Flares from the Analysis of Signal-to-Noise Ratio Recorded by Digisonde at Mid-Latitudes", Remote Sensing, 2022, 14, 1898, DOI: https://doi.org/10.3390/rs14081898
  40. A. Belehaki, I. Tsagouri, and E. Paouris, "Characteristics of the Effective Scale Height in the Topside Ionosphere Extracted From Swarm A and Digisonde Observations: Preliminary Results", Journal of Geophysical Research: Space Physics, 127, e2021JA030075, 2022 DOI: https://doi.org/10.1002/essoar.10508484.2 [downloadable pdf file]
  41. G. Pierantoni, T. Kiss, A. Bolotov, D. Kagialis, J. DesLauriers, A. Ullah, H. Chen, D. Chan You Fee, H. Dang, J. Kovacs, A. Belehaki, T. Herekakis, I. Tsagouri, S. Gesing, "Towards a Reference Architecture based Science Gateway Framework with Embedded E-Learning Support", Concurrency and Computation, Practice and Experience, Wiley, 2022, DOI: https://doi.org/10.1002/cpe.6872. [downloadable pdf file]
  42. Galkin, I.; Froń, A.; Reinisch, B.; Hernández-Pajares, M.; Krankowski, A.; Nava, B.; Bilitza, D.; Kotulak, K.; Flisek, P.; Li, Z.; Wang, N.; Dollase, D.R.; García-Rigo, A.; Batista, I. "Global Monitoring of Ionospheric Weather by GIRO and GNSS Data Fusion", Atmosphere, 13(3), 371, 2022,  DOI: https://doi.org/10.3390/atmos13030371 [downloable pdf file]
  43. Q. Liu, M. Hernández-Pajares, H. Yang, E. Monte-Moreno, A. García-Rigo, H. Lyu, G. Olivares-Pulido, R. Orús-Pérez, “A New Way of Estimating the Spatial and Temporal Components of the Vertical Total Electron Content Gradient Based on UPC‐IonSAT Global Ionosphere Maps”, Space Weather, 20, e2021SW002926, 2022, DOI: https://doi.org/10.1029/2021SW002926
  44. E. Monte-Moreno, H. Yang, M. Hernández-Pajares, “Forecast of the Global TEC by Nearest Neighbour Technique”, Remote Sens., 14, 1364, 2022, DOI: https://doi.org/10.3390/rs14061361 [downloadable pdf file]
  45. Porayko Nataliya, "RM time series for the paper "Validation of global ionospheric models using long term pulsar observations with the LOFAR radio telescope"", Zenodo, 2022, DOI: https://doi.org/10.5281/zenodo.7194735
  46. Olivares, G.; Hernandez, M.; Lyu, H.; Gu, S.; Garcia-Rigo, A.; Graffigna, V.; Tomaszewski, D.; Wielgosz, P.; Rapinski, J.; Krypiak-Gregorczyk, A.; Kazmierczak, R.; Orús, R., “Ionospheric tomographic common clock model of undifferenced uncombined GNSS measurements”, Journal of geodesy, Vol. 95 num. 11 p. 122:1-122:13, 13 Oct 2021, DOI: https://doi.org/10.1007/s00190-021-01568-8
  47. Q. Liu, M. Hernández-Pajares, H. Yang, E. Monte-Moreno, D. Roma-Dollase, A. García-Rigo, Z. Li, N. Wang, D. Laurichesse, A. Blot , Q. Zhao, Q. Zhang, A. Hauschild, L. Agrotis, M. Schmitz, G. Wübbena, A. Stürze, A. Krankowski, S. Schaer, J. Feltens, A. Komjathy, and R. Ghoddousi-Fard, “The cooperative IGS RT-GIMs: a reliable estimation of the global ionospheric electron content distribution in real time”, Earth Syst. Sci. Data, 13, 4567–4582, 2021, DOI: https://doi.org/10.5194/essd-13-4567-2021 [downloadable pdf file]
  48. Q. Liu, M. Hernández-Pajares, H. Lyu, M. Nishioka, H. Yang, E. Monte-Moreno, T. Gulyaeva, Y. Béniguel, V. Wilken, G. Olivares-Pulido, R. Orús-Pérez, “Ionospheric Storm Scale Index Based on High Time Resolution UPC-IonSAT Global Ionospheric Maps (IsUG)”, Space Weather, 19, e2021SW002853, 2021, DOI: https://doi.org/10.1029/2021SW002853.
  49. H. Yang, E. Monte-Moreno, M. Hernández-Pajares, D. Roma-Dollase, “Real-time interpolation of global ionospheric maps by means of sparse representation”, Journal of Geodesy, 95, 71, 2021, DOI: https://doi.org/10.1007/s00190-021-01525-5
  50. Monte-Moreno, E., Hernandez-Pajares, M., Yang, H., Rigo, A. G., Jin, Y., Høeg, P., Miloch, W., Wielgosz, P., Jarmolowski, W., Paziewski, J., Milanowska, B., Hoque, M., Perez, R. O., “Method for forecasting ionospheric electron content fluctuations based on the optical flow algorithm.”, IEEE Transactions on Geoscience and Remote Sensing, 60, 1-21, 9 Nov 2021, DOI: https://doi.org/10.1109/TGRS.2021.3126888
  51. V. Pierrard, E. Botek, J.-F. Ripoll, S. A. Thaller, M. B. Moldwin, M. Ruohoniemi and G. Reeves, "Links of the Plasmapause With Other Boundary Layers of the Magnetosphere: Ionospheric Convection, Radiation Belt Boundaries, Auroral Oval", Front. Astron. Space Sci., 05 November 2021, DOI: https://doi.org/10.3389/fspas.2021.728531.
  52. Botek, E., Pierrard, V., and Darrouzet, F., "Assessment of the Earth’s Cold Plasmatrough Modeling by Using Van Allen Probes/EMFISIS and Arase/PWE Electron Density Data", Journal of Geophysical Research: Space Physics, 2021, I126, e2021JA029737, DOI: https://doi.org/10.1029/2021JA029737 [downloadable pdf file]
  53. Witvliet, B. A., "Escaping the Dead Zone: a Bottleneck in Humanitarian Ionospheric Radio Communications," 2021 IEEE Global Humanitarian Technology Conference (GHTC), 2021, pp. 297-303, DOI: 10.1109/GHTC53159.2021.9612415 [subscription-published version, open source-accepted manuscript, downloadable pdf file]
  54. Pierrard, V., Botek, E. and Darrouzet, F., "Improving Predictions of the 3D Dynamic Model of the Plasmasphere", Front. Astron. Space Sci., 2021, 8:681401, DOI: https://doi.org/10.3389/fspas.2021.681401 [downloadable pdf file]