Reconstruction of disturbance spatial structure for upper atmosphere using measurements from dense GPS network GEONET

Edward L. Afraimovich; Vladislav V. Kiryushkin; Nataly P. Perevalova; Mikhail V. Mas'kin

doi:10.1117/12.723278

1 November 2006 Reconstruction of disturbance spatial structure for upper atmosphere using measurements from dense GPS network GEONET

Edward L. Afraimovich, Vladislav V. Kiryushkin, Nataly P. Perevalova, Mikhail V. Mas'kin

Author Affiliations +

Proceedings Volume 6522, Thirteenth Joint International Symposium on Atmospheric and Ocean Optics/ Atmospheric Physics; 652225 (2006) https://doi.org/10.1117/12.723278
Event: Thirteenth Joint International Symposium on Atmospheric and Ocean Optics/ Atmospheric Physics, 2006, Tomsk, Russian Federation

Abstract

We present procedure of ionospheric disturbance spatial structure reconstruction. The procedure is based on the imaging of ionospheric Total Electron Content (TEC) increments distribution. The TEC value is measured using data from Japanese GPS Earth Observation Network (GEONET) which includes more than 1000 two-frequency ground-based GPS receivers. To reconstruct disturbance spatial structure we selected the TEC increment values and corresponding geographic coordinates of the ionospheric point for the specified time moment. The obtained data is spline-approximated on equal stationary reference grid. To test presented procedure we reconstructed spatial structure of ionospheric disturbance, specially simulated for conditions of September 25, 2003, Hokkaido strong earthquake. The results of testing showed, that the presented procedure provides reconstruction of disturbance spatial structure and its dynamics with high time resolution.

Citation Download Citation

Edward L. Afraimovich, Vladislav V. Kiryushkin, Nataly P. Perevalova, and Mikhail V. Mas'kin "Reconstruction of disturbance spatial structure for upper atmosphere using measurements from dense GPS network GEONET", Proc. SPIE 6522, Thirteenth Joint International Symposium on Atmospheric and Ocean Optics/ Atmospheric Physics, 652225 (1 November 2006); https://doi.org/10.1117/12.723278

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KEYWORDS

Earthquakes

Global Positioning System

Spherical lenses

Ionization

Receivers

Satellites

Spatial resolution

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