Seismic Propagation Mapping of Tropic Sensor Test Grids.
Final rept. 4 Nov-5 Dec 71,
ARMY TROPIC TEST CENTER APO NEW YORK 09827
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Field data were collected in the final part of a two-part study to establish seismic response characteristics, their distribution, and the environmental factors that influence them. Data were collected in two United States Army Tropic Test Center seismic sensor test areas Gamboa and Alpha in the Panama Canal Zone during the 1971 wet season. Detailed seismic and environmental data are presented, and special seismic response tests drop-hammer, man-walking, vegetation effects, reproducibility and ambient-noise conducted in various environmental conditions at 24 sites in the Gamboa test area and 11 sites in the Alpha test area are described. Also included are results of a multicorrelation analysis used to relate the seismic response descriptors-peak particle velocity PPV, peak summed particle velocity PSPV, and sum-frequency f--to the environmental measures. Modified author abstract
- Seismic Detection and Detectors