Blar i forfatter "Billett, Daniel"

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    • The future of auroral E-region plasma turbulence research 

      Huyghebaert, Devin Ray; Billett, Daniel; Chartier, Alex; Chau, Jorge L.; Hussey, Glenn C.; Hysell, David L.; Ivarsen, Magnus Fagernes; Mesquita, Rafael L. A.; Rojas, Enrique; Vierinen, Juha; Young, Matthew (Journal article; Tidsskriftartikkel; Peer reviewed, 2022-12-15)
      The heating caused by ionospheric E-region plasma turbulence has documented global implications for the energy transfer from space into the terrestrial atmosphere. Traveling atmospheric disturbances, neutral wind motion, energy deposition rates, and ionospheric conductance have all been shown to be potentially affected by turbulent plasma heating. Therefore it is proposed to enhance and expand ...

    • GNSS Scintillations in the Cusp, and the Role of Precipitating Particle Energy Fluxes 

      Ivarsen, Magnus Fagernes; Jin, Yaqi; Spicher, Andres; St-Maurice, Jean-Pierre; Park, Jaeheung; Billett, Daniel (Journal article; Tidsskriftartikkel; Peer reviewed, 2023-10-16)
      Using a large data set of ground-based GNSS scintillation observations coupled with in situ particle detector data, we perform a statistical analysis of both the input energy flux from precipitating particles, and the observed occurrence of density irregularities in the northern hemisphere cusp. By examining trends in the two data sets relating to geomagnetic activity, we conclude that observations ...