The structure of water-layer sensitivity kernels in OBN-type acquisition geometries
Abstract:The water column is usually taken as an homogeneous velocity layer in OBN-type marine seismic surveys. Heterogeneities caused by salinity and temperature variations, however, may introduce significant artifacts resulting in inaccurate interpretation of sub-sea floor geologic features, especially accounting the long time spans of seismic acquisitions that take place in ultra-deep ocean environments. Here we investigate the underlying structure of sensitivity kernels in this horizontally distributed acquisition … Show more
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