Three‐dimensional waveform modeling of ionospheric signature induced by the 2004 Sumatra tsunami

By Giovanni Occhipinti, Philippe Lognonné, Esfhan A. Kherani, H. Hébert. 2006

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The Sumatra, December 26th, 2004, tsunami produced internal gravity waves in the neutral atmosphere and large disturbances in the overlying ionospheric plasma. To corroborate the tsunamigenic hypothesis of these perturbations, we reproduce, with a 3D numerical modeling of the ocean‐atmosphere‐ionosphere coupling, the tsunami signature in the Total Electron Content (TEC) data measured by the Jason‐1 and Topex/Poseidon satellite altimeters. The agreement between the observed and synthetic TEC shows that ionospheric remote sensing can provide new tools for offshore tsunami detection and monitoring.

Subfields: Astronomy and Astrophysics, Geophysics

View Paper: https://www.semanticscholar.org/paper/569382f43653ade22f1d240ceb02d35f3ae7c2cf

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Citations in the corpus

Propagation of tsunami‐driven gravity waves into the thermosphere and ionosphere (2009, methodology): “[6] Occhipinti et al. [2006] coupled a 3-D model of earthquake-driven ocean disturbances with a 1-D model of atmospheric wave propagation and a simple 1-D ionospheric response model.”
From Sumatra 2004 to Tohoku‐Oki 2011: The systematic GPS detection of the ionospheric signature induced by tsunamigenic earthquakes (2013, methodology): “In addition, the inferred TEC data, required to remove the ionospheric effects from the altimetric measurements [Bilitza et al., 1996], showed strong anomalies in the integrated electron density [Occhipinti et al., 2006].”
Ionospheric gravity waves detected offshore Hawaii after tsunamis (2010, methodology): “The observed TEC signatures were first reproduced by Occhipinti et al. [2006] using a synthetic sea‐level displacement as input of a gravity wave propagation model.”
Ionospheric signatures of Tohoku‐Oki tsunami of March 11, 2011: Model comparisons near the epicenter (2012, unknown): “Tsunami-driven TIDs have also been detected for previous events in iono-spheric total electron content (TEC) using ground-based GPS radio signals [e.g., Artru et al. , 2005; Rolland et al. , 2010; Galvan et al. , 2011] and satellite altimeter radar [e.g., Occhipinti et al. , 2006].”
Imaging and modeling the ionospheric airglow response over Hawaii to the tsunami generated by the Tohoku earthquake of 11 March 2011 (2011, methodology): “…rely on estimates of the total electron content (TEC), the integrated electron density between a specific GPS satellite and receiver [Liu et al., 2006; Lognonné et al., 2006] or between a satellite‐based altimeter and the sea surface, and have been numerically reproduced [Occhipinti et al., 2006].”
GNSS ionospheric seismology: Recent observation evidences and characteristics (2015, methodology): “On the basis of the Navier–Stokes equation, Occhipinti et al. (2006, 2008) have developed a pseudo-spectral propagator dVdz ¼ A V with the vector V and the matrix A as: V ¼ ~u z P ð5Þ A ¼ − 1 Ω kx dux0 dz þ ky duy0dz 1 2 d lnρ0 dz − i k2x þ k2y Ω i Ωþ g Ω d lnρ0 dz −1 2 d lnρ0 dz 0 BBB@ 1 CCCA…”