The objectives of this work are to (1) incorporate existing geological, geophysical and geoacoustic data into a seabed properties model applicable to the SWA06 experiment region, and (2) geologically interpret additional chirp seismic data that were collected as part of SWA06 (Altan Turgut, PI), and incorporate into existing interpretation based on analysis of prior data (primarily from the ONR Geoclutter program). Expected products include: (1) A structural/stratigraphic model of the subbottom, along primary acoustic propagation pathways of the SWA06 experiment and regionally with existing and newly collected chirp seismic data; (2) A geologic interpretation of the regional stratigraphy based on both new and existing chirp seismic data and available ground truth information. This interpretation will focus on the outer shelf wedge (OSW) that forms the seafloor substrate over most of the SW06 experiment region; and (3) A geoacoustic rendering of the structural model based on predictive relationships between such properties and the stratigraphic/geologic interpretation. Available physical property measurements will be used to constrain such relationships.
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