Magnetotelluric dispersion relations in a two-dimensional model of the coastal effect

Numerical modeling is performed for seafloor magnetotelluric sounding in a 2-D offshore zone in a period range of 0.25–16 h. An anomaly of the seafloor longitudinal impedance observed at distances of 20–260 km from the shore is analyzed. Dispersion relations are violated for the longitudinal impedan...

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Bibliographic Details
Published in:Izvestiya. Physics of the solid earth 2009-02, Vol.45 (2), p.167-170
Main Authors: Alekseev, D. A., Palshin, N. A., Varentsov, Iv. M.
Format: Article
Language:English
Subjects:
Earth and Environmental Science
Earth Sciences
Geophysics
Geophysics/Geodesy
Impedance
Magnetic fields
Marine
Ocean floor
Online Access:Get full text
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Summary:Numerical modeling is performed for seafloor magnetotelluric sounding in a 2-D offshore zone in a period range of 0.25–16 h. An anomaly of the seafloor longitudinal impedance observed at distances of 20–260 km from the shore is analyzed. Dispersion relations are violated for the longitudinal impedance within the anomalous zone.
ISSN:1069-3513
1555-6506
DOI:10.1134/S1069351309020062