Temporal evolution of two auroral arcs as measured by the Cluster satellite and coordinated ground-based instruments

• Main Authors: Aikio, A. T., Mursula, K., Buchert, S., Forme, F., Amm, O., Marklund, G., Dunlop, M., Fontaine, D., Vaivads, A., Fazakerley, A.
• Other Authors: University of Oulu, Angström Laboratory, Uppsala University, Centre d'étude des environnements terrestre et planétaires (CETP), Université de Versailles Saint-Quentin-en-Yvelines (UVSQ)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National de la Recherche Scientifique (CNRS), Finnish Meteorological Institute (FMI), Alfven Laboratory, Royal Institute of Technology Stockholm (KTH ), Imperial College London, Mullard Space Science Laboratory (MSSL), University College of London London (UCL)
• Format: Article in Journal/Newspaper
• Language: English
• Published: HAL CCSD 2004
• Subjects: [SDU.OCEAN]Sciences of the Universe [physics]/Ocean; Atmosphere; [SDU.STU]Sciences of the Universe [physics]/Earth Sciences; Pedersen; EISCAT
• Online Access: https://hal.archives-ouvertes.fr/hal-00329410; https://hal.archives-ouvertes.fr/hal-00329410/document; https://hal.archives-ouvertes.fr/hal-00329410/file/angeo-22-4089-2004.pdf

International audience The four Cluster s/c passed over Northern Scandinavia on 6 February 2001 from south-east to north-west at a radial distance of about 4.4 R E in the post-midnight sector. When mapped along geomagnetic field lines, the separation of the spacecraft in the ionosphere was confined...