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Quantitative modeling of ocean/ionosphere coupling for monitoring tsunamis from space

Abstract

During the last decade, a growing body of evidence indicates that the upper, ionized, part of the atmosphere - namely the ionosphere - is sensitive to perturbations generated by large earthquakes and tsunamis. In a recent study of the large 2011 Japan tsunami, we reported on the presence of tsunami-induced Traveling Ionospheric Disturbances detected ahead of the tsunami wave front. This kind of precursory signal could therefore contribute to the development of a tsunami early-warning system. In this proposal, we aim at developing an integrated simulation and observational approach in order to quantitatively relate the early-observed ionospheric signal to the tsunami amplitude. A complete magneto-hydrodynamic model is under development with financial support from FAPESP since 2012. We propose a collaborative framework to gather and reproduce by simulation both airglow data, GPS-derived electron content and geomagnetic field observations related to three recent tsunami events, geomagnetic field observations related to three recent tsunami events. (AU)

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Scientific publications
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
KLAUSNER, V.; GIMENES, H. M.; CEZARINI, M. V.; OJEDA-GONZALEZ, A.; PRESTES, A.; CANDIDO, C. M. N.; KHERANI, E. A.; ALMEIDA, T.. Geomagnetic Disturbances During the Maule (2010) Tsunami Detected by Four Spatiotemporal Methods. PURE AND APPLIED GEOPHYSICS, v. 178, n. 12, SI, . (11/21903-3, 15/50541-3)

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