Characteristics of night-time absorption spike events

• Main Authors: Aminaei, A., Honary, F., Kavanagh, A. J., Spanswick, E., Viljanen, A.
• Other Authors: Department of Communications Systems, Department of Physics and Astronomy Calgary, University of Calgary, Space Research Unit Helsinki, Finnish Meteorological Institute (FMI)
• Format: Article in Journal/Newspaper
• Language: English
• Published: HAL CCSD 2006
• Subjects: [SDU.OCEAN]Sciences of the Universe [physics]/Ocean; Atmosphere; [SDU.STU]Sciences of the Universe [physics]/Earth Sciences; Kilpisjärvi
• Online Access: https://hal.science/hal-00318124; https://hal.science/hal-00318124/document; https://hal.science/hal-00318124/file/angeo-24-1887-2006.pdf

International audience Sudden increases in cosmic radio noise absorption, known as spike events, have been identified as signatures of substorms in the previous studies. Using data from the IRIS (Imaging Riometer for Ionospheric Studies) at Kilpisjärvi, Finland (L~6) more than 450 night-time spike e...