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The students are challenged to help the University determine if an old farm near campus is a good building site by determining the depth to bedrock and depth to the water table from seismic refraction data. One sting of 12 geophones is used, with 7 different shot (source) points, so 7 data sets are generated. The students take this data, and using SIP programs, plot up time-distance plots, making their best decisions as to how many layers are present and how the layers are represented in the T-D plot. The program will then calculate velocities and depths based on the student input. Decisions need to be made on the "rightness" of their choices from the calculated velocities and times. Corrections can then be made to the assigned times, and (hopefully) better results obtained, until an acceptable model is produced. A report is then written to the University on their findings.
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