DEMETER and DMSP satellite observations of the disturbed H+/O+ ratio caused by Earth's seismic activity in the Sumatra area during December 2004 - Archive ouverte HAL Accéder directement au contenu
Article Dans Une Revue Advances in Space Research Année : 2010

DEMETER and DMSP satellite observations of the disturbed H+/O+ ratio caused by Earth's seismic activity in the Sumatra area during December 2004

Résumé

In the present paper, plasma probe data taken from DEMETER and DMSP-F15 satellites were used to study the ion density and temperature disturbances in the morning topside ionosphere, caused by seismic activity at low latitudes. French DEMETER (Detection of Electro-Magnetic Emissions Transmitted from Earthquake Regions) micro-satellite mission had been especially designed to provide global scale observations in the topside ionosphere over seismically active regions. Onboard the DEMETER satellite, the thermal plasma instrument called "Instrument Analyser de Plasma" (IAP) provides ion mass and densities, ion temperature, three component ion drift and ion density irregularities measurements. As a part of "Defense Meteorological Satellite Program", DMSP-F15 satellite is on orbit operation since 1999. It provides ionospheric plasma diagnostics by means of the "Special Sensor-Ion, Electron and Scintillations" (SSIES-2) instrument. We examined few examples of possible seismic effects in the equatorial ionosphere, probably associated with seismic activity during December month in the area of Sumatra Island, including main shock of giant Sumatra event

Dates et versions

hal-00415812 , version 1 (11-09-2009)

Identifiants

Citer

L.G. Bankov, Michel Parrot, R.A. Heelis, Jean-Jacques Berthelier, P.G. Marinov, et al.. DEMETER and DMSP satellite observations of the disturbed H+/O+ ratio caused by Earth's seismic activity in the Sumatra area during December 2004. Advances in Space Research, 2010, 46 (4), pp.419-430. ⟨10.1016/j.asr.2009.07.032⟩. ⟨hal-00415812⟩
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