Advanced UXO Detection/Discrimination Technology Demonstration - Kaho'olawe Hawaii
ENGINEER RESEARCH AND DEVELOPMENT CENTER VICKSBURG MS ENVIRONMENTAL LAB
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The primary technical objective of this demonstration project was to evaluate the detection and discrimination capabilities including production rates and costs of advanced UXO systems in difficult magnetic clutter environments such as those encountered at Kahoolawe, Hawaii. One 90-m by 111.1-m 1-hectare area and 10 not necessarily contiguous 30-m by 30-m test grids within the Kahoolawe Quality Assurance QA Range were prepared to present a limited range of targetcluttertopographyvegetationmagnetic background conditions to the various demonstrators systems Geonics EM-63, GTL TM-5 EMU, Geophex GEM-3, NRL EMMS, and Geonics EM-61. Anomaly maps, survey maps, and demonstrators target discrimination charts are compared to actual groundtruth to determine performance assessrnent of detection, discrimination, and false alarm rate. At Kahoolawe, the advanced EMI systems did not demonstrate significant performance andor cost improvements over the baseline technology consisting of a standard EM-61 system operated in an EM and Flag mode. This was not true at Jefferson Proving Ground, Indiana July 2000. Finally, the safety and logistics problems associated with conducting technology demonstrations concurrent with actual UXO cleanup operations proved to be a very inefficient, costly, and time-consuming process.
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