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Hominid Footprint Model Used to Test Antenna Frequencies and Field Methods for the Laetoli Site
A footprint model was created in mud and covered in volcanic sand as a way to mimic conditions at the Laetoli, Tanzania site. Many antenna frequencies were tested with the buried prints uncovered, covered by plywood, and by a yoga mat. It was found that the yoga mat with the 2.6 GHz antennas produced the best results to image the footprints.
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A Test of Geophysical Prospecting for the Detection of Prehistoric Canals on the Gila River Reservation, Arizona
This report documents a project to apply geophysical prospecting techniques at known locations of prehistoric canals in the Gila River Reservation. The project goal was to test the ability of several geophysical prospecting techniques to image buried canals in the Gila River floodplain. Four geophysical prospecting approaches were tested: ground penetrating radar, seismic reflection imaging, magnet gradiometry, and electrical conductivity.
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Thoughts on the Integration of Slice-Maps and Reflection Profiles in GPR Analysis
Any comprehensive interpretation of GPR data must include the integration and analysis of both amplitude slice-maps and two-dimensional reflection profiles. Often one method can yield results that the other cannot, producing important insights. One example from Ireland shows how slice-maps produced very useful images of subtle post molds, which outlined a crannog in a pond or lake. These molds were invisible in the 2-D profiles. From Long Island, New York, the amplitude slice-maps were very busy and confusing, and only through detailed analyses of reflection profiles were cellars of historical houses visible.
