Advanced processing and acquisition methods to image within and beneath shallow water bodies with ground-penetrating radar John H. Bradford (CGISS Boise State University) and Troy Brosten (CGISS Boise State University) SUMMARY____________________________________________________________ We have investigated acquisition and processing methods to maximize the information content of GPR surveys in a variety of shallow water investigations. In a study of permafrost melt beneath Arctic streams we conducted 3D surveys in remote locations that required spatial (horizontal and vertical) precision on the order of 2 cm. Integrating kinematic geodetic grade GPS measurements with GPR data acquisition provided the necessary spatial control. 3D migration produced


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