Abstract
Seismoacoustic waves traveling in an ice layer over a deep Arctic Ocean are studied using frequency wavenumber analysis. Ice-ridge-generated noise can travel in the ice via ice-trapped waves and water-borne waves coupled to the ice. {Previous hydrophone data [B. Buck and J. H. Wilson, J. Acoust. Soc. Am. 80, 256–264 (1986)] indicated that the noise originated from the bottom of a ridge.} The data are simulated by a point source in the water (for the water-borne waves) and a point source in the ice (for the ice-trapped noise) using the SAFARI numerical code with a planar receiver array of vertical axis geophones. Frequency wavenumber analysis is applied to the simulated data to determine the wavenumber of the various waves traveling in the ice. The methodology and preliminary results of this analysis will be reported.
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