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- W2047997832 abstract "In the Geoclutter experiment of April–May 2001, an active sonar system was used to remotely and rapidly image geomorphology over wide areas in continental shelf waters by long-range echo sounding. The bistatic system, deployed in the strataform area south of Long Island, imaged extensive networks of buried river channels and inclined subseafloor strata over tens of kilometers in near real time. Bathymetric relief in the strataform area is extremely benign. The vast majority of features imaged apparently correspond to sub-bottom geomorphology that sound waves reach after tunneling as well as propagating through the overlying sediment. Returns from buried river channels were often found to be as discrete and strong as those from calibrated targets placed in the water column. Since buried river channels are expected to be ubiquitous in continental shelf environments, sub-seafloor geomorphology will play a major role in producing ‘‘false alarms’’ or clutter in long-range sonar systems that search for submerged objects such as underwater vehicles or marine mammals. Wave guide scattering and propagation are inherent to this new remote sensing technology because source signals are transmitted over hundreds of water-column depths in range to image sub-seafloor and seafloor geomorphology." @default.
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- W2047997832 date "2002-10-25" @default.
- W2047997832 modified "2023-09-27" @default.
- W2047997832 title "The Geoclutter Experiment 2001: Remote acoustic imaging of sub‐bottom and seafloor geomorphology in continental shelf waters" @default.
- W2047997832 doi "https://doi.org/10.1121/1.4779145" @default.
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