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Splitting marine controlled-source electromagnetic responses into sea and subseafloor contributions: Grounding the air wave
(Society of Exploration Geophysicists, 2017)
We have found how the effects of the air wave in marine controlled-source electromagnetic (CSEM) methods gradually vanish in the sea for shallow waters, and how at the same time they gradually grow below the seafloor, in ...
Stable 2D magnetotelluric strikes and impedances via the phase tensor and the quadratic equation
(Society of Exploration Geophysicists, 2017)
A combination of the magnetotelluric phase tensor and the quadratic algorithm provides a fast and simple solution to the problem of a 2D impedance tensor distorted by 3D electrogalvanic effects. The strike direction is ...