High-resolution measurements of magnetospheric electric fields |
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| Institution: | 1. University College of Wales, Aberystwyth SY23 3BZ, U.K.;2. Institutet för Rymdfysik, S-755 90 Uppsala, Sweden;3. Institutet för Rymdfysik, S-981 28 Kiruna, Sweden;1. EMBRACE, Instituto Nacional de Pesquisas Espaciais, São José dos Campos, SP, Brazil;2. STEL, Nagoya University, Nagoya, Japan;3. Universidade Federal de Campina Grande, Campina Grande, PB, Brazil;1. United Nations African Regional Centre for Space Science and Technology Education - English (UN-ARCSSTE-E), Obafemi Awolowo University Campus, Ile Ife, Nigeria;2. Institute for Space‐Earth Environmental Research, Nagoya University, Nagoya, Japan;3. Institute for Space Science and Engineering, African University of Science and Technology, Abuja, Nigeria;4. South African National Space Agency, Space Science, Hermanus, South Africa;5. Department of Physics and Electronics, Rhodes University, Makhanda, South Africa;6. The Abdus Salam International Centre for Theoretical Physics (ICTP), Trieste, Italy;7. Istituto Nazionale di Geofisica e Vulcanologia (INGV), 00143, Rome, Italy;1. National Atmospheric Research Laboratory, Gadanki, India;2. Indian Institute of Geomagnetism, New Panvel, Navi Mumbai, India;3. 3/78, Periyavilai, Pulippunam, Kanyakumari, India;4. Equatorial Geophysical Research Laboratory, Indian Institute of Geomagnetism, Tirunelveli, India;5. MF Radar Facility, Indian Institute of Geomagnetism, Shivaji University Campus, Kolhapur, India |
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| Abstract: | Observations made at EISCAT suggest that the plasma velocity measured in the F-region above Tromsø can vary substantially on a timescale of a minute or so. The high-resolution measurements made using alternating codes during the ERRRIS experiment have confirmed this result by showing that the rapid variations of plasma velocity measured directly correspond exactly to the variations of ion temperature in the rmupper-E and lower-F region caused by frictional heating, and the variations of electron temperature in the E-region, caused by wave turbulence heating. |
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