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Titolo:
Ion-neutral coupling in the high-latitude F-layer from incoherent scatter and Fabry-Perot interferometer measurements
Autore:
Cierpka, K; Kosch, MJ; Rietveld, M; Schlegel, K; Hagfors, T;
Indirizzi:
Max Planck Inst Aeron, D-37191 Katlenburg Lindau, Germany Max Planck Inst Aeron Katlenburg Lindau Germany D-37191 Lindau, Germany
Titolo Testata:
ANNALES GEOPHYSICAE-ATMOSPHERES HYDROSPHERES AND SPACE SCIENCES
fascicolo: 9, volume: 18, anno: 2000,
pagine: 1145 - 1153
SICI:
0992-7689(200009)18:9<1145:ICITHF>2.0.ZU;2-Q
Fonte:
ISI
Lingua:
ENG
Soggetto:
VELOCITY DISTRIBUTIONS; E-REGION; ELECTRIC-FIELDS; JANUARY 1997; EISCAT; THERMOSPHERE; WIND; TEMPERATURES; IONOSPHERE; DYNAMICS;
Keywords:
ionosphere; auroral ionosphere; ionosphere-atmosphere interactions;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
Citazioni:
41
Recensione:
Indirizzi per estratti:
Indirizzo: Kosch, MJ Max Planck Inst Aeron, D-37191 Katlenburg Lindau, Germany Max Planck Inst Aeron Katlenburg Lindau Germany D-37191 ermany
Citazione:
K. Cierpka et al., "Ion-neutral coupling in the high-latitude F-layer from incoherent scatter and Fabry-Perot interferometer measurements", ANN GEOPH, 18(9), 2000, pp. 1145-1153

Abstract

Since the auroral ionosphere provides an important energy sink for the magnetosphere, ionosphere-thermosphere coupling must be investigated when considering the energy budget of the ionosphere-magnetosphere coupling. We present the first Scandinavian ground-based study of high-latitude F-region ion-neutral frictional heating where ion velocity and temperature are measuredby the EISCAT incoherent scatter radar as well as neutral wind and temperature being measured simultaneously by a Fabry-Perot interferometer. A geomagnetically active period (K-p = 7(-) - 5(-)) and quiet period (K-p = 0(+) -0) were studied. Neglecting the neutral wind can result in errors of frictonal heating estimates of 60% or more in the F-layer. About 96% of the local ion temperature enhancement over the neutral temperature is accounted forby ion-neutral, frictional heating.

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Documento generato il 26/09/20 alle ore 17:16:17