• Polar vortex evolution during Northern Hemispheric winter 2004/05 

      Hall, Chris; Chshyolkova, Tatyana; Manson, Alan; Meek, Chris; Aso, Takehiko; Avery, S. K.; Hocking, W. K.; Igarashi, K.; Jacobi, C.; Makarov, N.; Mitchell, Nick; Murayama, Y.; Singer, Werner; Thorsen, D.; Tsutsumi, Masaki (Journal article; Tidsskriftartikkel; Peer reviewed, 2007)
    • Solar Cycle and Long-Term Trends in the Observed Peak of the Meteor Altitude Distributions by Meteor Radars 

      Dawkins, E.C.M.; Stober, G.; Janches, D.; Carrillo-Sánchez, J.D.; Lieberman, R.S.; Jacobi, C.; Moffat-Griffin, T.; Mitchell, N.J.; Cobbett, N.; Batista, P.P.; Andrioli, V.F.; Buriti, R.A.; Murphy, D.J.; Kero, J.; Gulbrandsen, Njål; Tsutsumi, M.; Kozlovsky, A.; Kim, J.H.; Lee, C.; Lester, M. (Journal article; Tidsskriftartikkel; Peer reviewed, 2023-01-25)
      The mesosphere/lower thermosphere (MLT, 80–100 km) region is an important boundary between Earth's atmosphere below and space above and may act as a sensitive indicator for anthropogenic climate change. Existing observational and modeling studies have shown the middle atmosphere and the MLT is cooling and contracting because of increasing greenhouse gas emissions. However, trend analyses are ...